/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/concurrent/pthreads/distributed_search4.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 11:32:26,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 11:32:26,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 11:32:26,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 11:32:26,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 11:32:26,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 11:32:26,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 11:32:26,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 11:32:26,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 11:32:26,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 11:32:26,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 11:32:26,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 11:32:26,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 11:32:26,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 11:32:26,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 11:32:26,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 11:32:26,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 11:32:26,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 11:32:26,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 11:32:26,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 11:32:26,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 11:32:26,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 11:32:26,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 11:32:26,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 11:32:26,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 11:32:26,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 11:32:26,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 11:32:26,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 11:32:26,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 11:32:26,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 11:32:26,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 11:32:26,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 11:32:26,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 11:32:26,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 11:32:26,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 11:32:26,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 11:32:26,695 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-16 11:32:26,719 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 11:32:26,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 11:32:26,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 11:32:26,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 11:32:26,721 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 11:32:26,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 11:32:26,722 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 11:32:26,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 11:32:26,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 11:32:26,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 11:32:26,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 11:32:26,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 11:32:26,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 11:32:26,726 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 11:32:26,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 11:32:26,727 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 11:32:26,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 11:32:26,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 11:32:26,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 11:32:26,727 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 11:32:26,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 11:32:26,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 11:32:26,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 11:32:26,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 11:32:26,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 11:32:26,731 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 11:32:26,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 11:32:26,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 11:32:26,731 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-16 11:32:26,731 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 11:32:27,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 11:32:27,035 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 11:32:27,039 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 11:32:27,040 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 11:32:27,041 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 11:32:27,041 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/distributed_search4.c [2020-10-16 11:32:27,110 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eb7eeb362/53eb205d49f242d6b4cd2e79f8ef3d8e/FLAGfac6c6cf2 [2020-10-16 11:32:27,579 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 11:32:27,580 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/concurrent/pthreads/distributed_search4.c [2020-10-16 11:32:27,580 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2020-10-16 11:32:27,580 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2020-10-16 11:32:27,617 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eb7eeb362/53eb205d49f242d6b4cd2e79f8ef3d8e/FLAGfac6c6cf2 [2020-10-16 11:32:27,961 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eb7eeb362/53eb205d49f242d6b4cd2e79f8ef3d8e [2020-10-16 11:32:27,970 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 11:32:27,972 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 11:32:27,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 11:32:27,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 11:32:27,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 11:32:27,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:32:27" (1/1) ... [2020-10-16 11:32:27,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cee2cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:32:27, skipping insertion in model container [2020-10-16 11:32:27,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:32:27" (1/1) ... [2020-10-16 11:32:27,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 11:32:28,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 11:32:28,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 11:32:28,297 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 11:32:28,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 11:32:28,347 INFO L208 MainTranslator]: Completed translation [2020-10-16 11:32:28,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:32:28 WrapperNode [2020-10-16 11:32:28,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 11:32:28,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 11:32:28,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 11:32:28,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 11:32:28,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:32:28" (1/1) ... [2020-10-16 11:32:28,365 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:32:28" (1/1) ... [2020-10-16 11:32:28,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 11:32:28,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 11:32:28,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 11:32:28,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 11:32:28,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:32:28" (1/1) ... [2020-10-16 11:32:28,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:32:28" (1/1) ... [2020-10-16 11:32:28,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:32:28" (1/1) ... [2020-10-16 11:32:28,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:32:28" (1/1) ... [2020-10-16 11:32:28,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:32:28" (1/1) ... [2020-10-16 11:32:28,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:32:28" (1/1) ... [2020-10-16 11:32:28,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:32:28" (1/1) ... [2020-10-16 11:32:28,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 11:32:28,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 11:32:28,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 11:32:28,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 11:32:28,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:32:28" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 11:32:28,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 11:32:28,494 INFO L130 BoogieDeclarations]: Found specification of procedure search_worker [2020-10-16 11:32:28,495 INFO L138 BoogieDeclarations]: Found implementation of procedure search_worker [2020-10-16 11:32:28,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 11:32:28,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 11:32:28,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 11:32:28,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 11:32:28,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 11:32:28,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 11:32:28,497 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 11:32:28,989 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 11:32:28,989 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-16 11:32:28,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:32:28 BoogieIcfgContainer [2020-10-16 11:32:28,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 11:32:28,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 11:32:28,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 11:32:28,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 11:32:28,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:32:27" (1/3) ... [2020-10-16 11:32:28,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c7ff81c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:32:28, skipping insertion in model container [2020-10-16 11:32:28,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:32:28" (2/3) ... [2020-10-16 11:32:29,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c7ff81c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:32:28, skipping insertion in model container [2020-10-16 11:32:29,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:32:28" (3/3) ... [2020-10-16 11:32:29,002 INFO L111 eAbstractionObserver]: Analyzing ICFG distributed_search4.c [2020-10-16 11:32:29,015 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 11:32:29,015 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 11:32:29,023 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-16 11:32:29,024 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 11:32:29,075 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,075 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,075 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,077 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,078 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,078 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,078 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,078 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,079 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,079 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,079 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,080 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,086 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,087 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,087 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,087 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,087 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,088 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,088 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,088 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,089 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,089 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,089 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,091 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,092 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,092 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,092 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,092 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,093 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,093 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,093 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,093 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,094 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,094 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,096 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,096 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,097 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,097 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,097 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,097 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,098 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,098 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,098 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,098 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,098 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,099 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,099 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,099 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,100 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,100 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,100 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,100 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,101 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,101 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,101 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,101 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,102 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,102 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,102 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,103 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,103 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,103 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,103 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,104 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,104 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,104 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,104 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,105 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,105 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,105 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,106 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,106 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,106 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,106 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,107 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,107 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,107 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,107 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,107 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,108 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,108 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,108 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,109 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,109 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,109 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,109 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,110 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,110 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,110 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,110 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,111 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,111 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,111 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,111 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,112 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,112 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,112 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,112 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,113 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,113 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,113 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,113 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,114 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,114 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,114 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,114 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,115 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,115 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,115 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,115 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,116 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,116 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,116 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,117 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,117 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,117 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,117 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,118 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,118 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,118 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,119 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,119 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,119 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,119 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,120 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,120 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,120 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,120 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,121 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,121 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,121 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,121 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,122 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,122 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,122 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,122 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,123 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,123 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,123 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,124 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,124 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,124 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,124 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,125 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,125 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,125 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,125 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,125 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,126 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,126 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,126 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,127 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,127 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,127 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,128 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,128 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,128 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,128 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,129 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,129 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,133 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,134 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,134 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,134 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,134 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,135 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,135 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,135 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,135 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,136 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,136 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,136 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,136 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,143 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,144 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,144 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,144 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,144 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,144 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,144 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,145 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,145 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,145 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,145 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,145 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,145 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,153 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,154 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,154 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,154 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,155 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,155 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,155 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,155 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,156 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,156 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,156 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,156 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,156 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,159 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,160 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,160 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,160 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,160 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,161 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,161 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,161 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,161 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,162 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,162 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,162 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,162 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:32:29,187 INFO L149 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2020-10-16 11:32:29,201 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 11:32:29,224 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 11:32:29,224 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 11:32:29,224 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 11:32:29,224 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 11:32:29,224 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 11:32:29,225 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 11:32:29,225 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 11:32:29,225 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 11:32:29,245 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 11:32:29,249 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 221 places, 234 transitions, 536 flow [2020-10-16 11:32:29,252 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 221 places, 234 transitions, 536 flow [2020-10-16 11:32:29,254 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 221 places, 234 transitions, 536 flow [2020-10-16 11:32:29,434 INFO L129 PetriNetUnfolder]: 31/268 cut-off events. [2020-10-16 11:32:29,434 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2020-10-16 11:32:29,449 INFO L80 FinitePrefix]: Finished finitePrefix Result has 313 conditions, 268 events. 31/268 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 597 event pairs, 0 based on Foata normal form. 0/253 useless extension candidates. Maximal degree in co-relation 169. Up to 12 conditions per place. [2020-10-16 11:32:29,464 INFO L117 LiptonReduction]: Number of co-enabled transitions 11904 [2020-10-16 11:32:31,642 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-10-16 11:32:32,952 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-16 11:32:33,724 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-10-16 11:32:34,068 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-16 11:32:34,385 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2020-10-16 11:32:34,759 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-16 11:32:35,095 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-16 11:32:35,783 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-16 11:32:35,792 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:32:35,793 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 11:32:36,112 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2020-10-16 11:32:37,082 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 141 [2020-10-16 11:32:37,519 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-16 11:32:37,545 INFO L132 LiptonReduction]: Checked pairs total: 31791 [2020-10-16 11:32:37,545 INFO L134 LiptonReduction]: Total number of compositions: 191 [2020-10-16 11:32:37,552 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 68 transitions, 204 flow [2020-10-16 11:32:38,383 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 8302 states. [2020-10-16 11:32:38,386 INFO L276 IsEmpty]: Start isEmpty. Operand 8302 states. [2020-10-16 11:32:38,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-16 11:32:38,453 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:32:38,454 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:32:38,454 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-16 11:32:38,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:32:38,460 INFO L82 PathProgramCache]: Analyzing trace with hash -237627757, now seen corresponding path program 1 times [2020-10-16 11:32:38,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:32:38,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401911466] [2020-10-16 11:32:38,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:32:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:32:38,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:32:38,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401911466] [2020-10-16 11:32:38,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:32:38,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 11:32:38,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312344418] [2020-10-16 11:32:38,853 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 11:32:38,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:32:38,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 11:32:38,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:32:38,871 INFO L87 Difference]: Start difference. First operand 8302 states. Second operand 3 states. [2020-10-16 11:32:39,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:32:39,168 INFO L93 Difference]: Finished difference Result 13055 states and 60574 transitions. [2020-10-16 11:32:39,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:32:39,170 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-10-16 11:32:39,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:32:39,329 INFO L225 Difference]: With dead ends: 13055 [2020-10-16 11:32:39,330 INFO L226 Difference]: Without dead ends: 13007 [2020-10-16 11:32:39,331 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:32:39,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13007 states. [2020-10-16 11:32:40,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13007 to 10737. [2020-10-16 11:32:40,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10737 states. [2020-10-16 11:32:40,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10737 states to 10737 states and 49949 transitions. [2020-10-16 11:32:40,176 INFO L78 Accepts]: Start accepts. Automaton has 10737 states and 49949 transitions. Word has length 32 [2020-10-16 11:32:40,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:32:40,177 INFO L481 AbstractCegarLoop]: Abstraction has 10737 states and 49949 transitions. [2020-10-16 11:32:40,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 11:32:40,177 INFO L276 IsEmpty]: Start isEmpty. Operand 10737 states and 49949 transitions. [2020-10-16 11:32:40,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-16 11:32:40,233 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:32:40,234 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:32:40,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 11:32:40,234 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-16 11:32:40,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:32:40,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1632235465, now seen corresponding path program 1 times [2020-10-16 11:32:40,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:32:40,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139063280] [2020-10-16 11:32:40,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:32:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:32:40,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-16 11:32:40,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139063280] [2020-10-16 11:32:40,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:32:40,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 11:32:40,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020461185] [2020-10-16 11:32:40,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 11:32:40,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:32:40,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 11:32:40,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 11:32:40,459 INFO L87 Difference]: Start difference. First operand 10737 states and 49949 transitions. Second operand 7 states. [2020-10-16 11:32:40,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:32:40,794 INFO L93 Difference]: Finished difference Result 10737 states and 49920 transitions. [2020-10-16 11:32:40,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 11:32:40,795 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-10-16 11:32:40,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:32:41,667 INFO L225 Difference]: With dead ends: 10737 [2020-10-16 11:32:41,667 INFO L226 Difference]: Without dead ends: 10737 [2020-10-16 11:32:41,668 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-16 11:32:41,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10737 states. [2020-10-16 11:32:42,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10737 to 10737. [2020-10-16 11:32:42,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10737 states. [2020-10-16 11:32:42,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10737 states to 10737 states and 49920 transitions. [2020-10-16 11:32:42,086 INFO L78 Accepts]: Start accepts. Automaton has 10737 states and 49920 transitions. Word has length 35 [2020-10-16 11:32:42,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:32:42,087 INFO L481 AbstractCegarLoop]: Abstraction has 10737 states and 49920 transitions. [2020-10-16 11:32:42,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 11:32:42,087 INFO L276 IsEmpty]: Start isEmpty. Operand 10737 states and 49920 transitions. [2020-10-16 11:32:42,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-16 11:32:42,126 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:32:42,126 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:32:42,126 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 11:32:42,127 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-16 11:32:42,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:32:42,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1603607275, now seen corresponding path program 1 times [2020-10-16 11:32:42,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:32:42,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78584211] [2020-10-16 11:32:42,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:32:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:32:42,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-16 11:32:42,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78584211] [2020-10-16 11:32:42,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:32:42,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 11:32:42,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656384598] [2020-10-16 11:32:42,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 11:32:42,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:32:42,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 11:32:42,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:32:42,229 INFO L87 Difference]: Start difference. First operand 10737 states and 49920 transitions. Second operand 5 states. [2020-10-16 11:32:42,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:32:42,610 INFO L93 Difference]: Finished difference Result 10737 states and 49919 transitions. [2020-10-16 11:32:42,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 11:32:42,611 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-10-16 11:32:42,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:32:42,670 INFO L225 Difference]: With dead ends: 10737 [2020-10-16 11:32:42,670 INFO L226 Difference]: Without dead ends: 10119 [2020-10-16 11:32:42,670 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 11:32:42,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10119 states. [2020-10-16 11:32:43,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10119 to 10119. [2020-10-16 11:32:43,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10119 states. [2020-10-16 11:32:43,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10119 states to 10119 states and 47671 transitions. [2020-10-16 11:32:43,077 INFO L78 Accepts]: Start accepts. Automaton has 10119 states and 47671 transitions. Word has length 35 [2020-10-16 11:32:43,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:32:43,077 INFO L481 AbstractCegarLoop]: Abstraction has 10119 states and 47671 transitions. [2020-10-16 11:32:43,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 11:32:43,078 INFO L276 IsEmpty]: Start isEmpty. Operand 10119 states and 47671 transitions. [2020-10-16 11:32:43,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-16 11:32:43,116 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:32:43,116 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:32:43,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 11:32:43,117 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-16 11:32:43,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:32:43,117 INFO L82 PathProgramCache]: Analyzing trace with hash 826648217, now seen corresponding path program 1 times [2020-10-16 11:32:43,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:32:43,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477902004] [2020-10-16 11:32:43,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:32:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:32:43,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-16 11:32:43,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477902004] [2020-10-16 11:32:43,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:32:43,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 11:32:43,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733533409] [2020-10-16 11:32:43,234 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 11:32:43,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:32:43,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 11:32:43,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 11:32:43,234 INFO L87 Difference]: Start difference. First operand 10119 states and 47671 transitions. Second operand 7 states. [2020-10-16 11:32:43,518 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-10-16 11:32:43,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:32:43,616 INFO L93 Difference]: Finished difference Result 10119 states and 47653 transitions. [2020-10-16 11:32:43,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 11:32:43,617 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-10-16 11:32:43,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:32:43,665 INFO L225 Difference]: With dead ends: 10119 [2020-10-16 11:32:43,665 INFO L226 Difference]: Without dead ends: 10119 [2020-10-16 11:32:43,665 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-16 11:32:43,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10119 states. [2020-10-16 11:32:43,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10119 to 10119. [2020-10-16 11:32:43,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10119 states. [2020-10-16 11:32:44,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10119 states to 10119 states and 47653 transitions. [2020-10-16 11:32:44,020 INFO L78 Accepts]: Start accepts. Automaton has 10119 states and 47653 transitions. Word has length 35 [2020-10-16 11:32:44,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:32:44,020 INFO L481 AbstractCegarLoop]: Abstraction has 10119 states and 47653 transitions. [2020-10-16 11:32:44,020 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 11:32:44,021 INFO L276 IsEmpty]: Start isEmpty. Operand 10119 states and 47653 transitions. [2020-10-16 11:32:44,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-16 11:32:44,055 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:32:44,056 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:32:44,056 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 11:32:44,056 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-16 11:32:44,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:32:44,056 INFO L82 PathProgramCache]: Analyzing trace with hash 883904597, now seen corresponding path program 1 times [2020-10-16 11:32:44,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:32:44,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698939612] [2020-10-16 11:32:44,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:32:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:32:44,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-16 11:32:44,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698939612] [2020-10-16 11:32:44,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:32:44,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 11:32:44,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712530778] [2020-10-16 11:32:44,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 11:32:44,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:32:44,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 11:32:44,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:32:44,116 INFO L87 Difference]: Start difference. First operand 10119 states and 47653 transitions. Second operand 5 states. [2020-10-16 11:32:44,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:32:44,359 INFO L93 Difference]: Finished difference Result 10119 states and 47652 transitions. [2020-10-16 11:32:44,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 11:32:44,360 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-10-16 11:32:44,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:32:44,397 INFO L225 Difference]: With dead ends: 10119 [2020-10-16 11:32:44,397 INFO L226 Difference]: Without dead ends: 7362 [2020-10-16 11:32:44,398 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 11:32:44,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7362 states. [2020-10-16 11:32:44,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7362 to 7362. [2020-10-16 11:32:44,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7362 states. [2020-10-16 11:32:44,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7362 states to 7362 states and 35597 transitions. [2020-10-16 11:32:44,840 INFO L78 Accepts]: Start accepts. Automaton has 7362 states and 35597 transitions. Word has length 35 [2020-10-16 11:32:44,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:32:44,841 INFO L481 AbstractCegarLoop]: Abstraction has 7362 states and 35597 transitions. [2020-10-16 11:32:44,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 11:32:44,841 INFO L276 IsEmpty]: Start isEmpty. Operand 7362 states and 35597 transitions. [2020-10-16 11:32:44,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-16 11:32:44,867 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:32:44,867 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:32:44,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 11:32:44,867 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-16 11:32:44,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:32:44,868 INFO L82 PathProgramCache]: Analyzing trace with hash 927101785, now seen corresponding path program 1 times [2020-10-16 11:32:44,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:32:44,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756888768] [2020-10-16 11:32:44,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:32:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:32:45,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-16 11:32:45,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756888768] [2020-10-16 11:32:45,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:32:45,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-16 11:32:45,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718700181] [2020-10-16 11:32:45,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 11:32:45,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:32:45,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 11:32:45,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-10-16 11:32:45,300 INFO L87 Difference]: Start difference. First operand 7362 states and 35597 transitions. Second operand 14 states. [2020-10-16 11:32:46,086 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2020-10-16 11:32:46,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:32:46,845 INFO L93 Difference]: Finished difference Result 7565 states and 36172 transitions. [2020-10-16 11:32:46,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-16 11:32:46,846 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 35 [2020-10-16 11:32:46,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:32:46,869 INFO L225 Difference]: With dead ends: 7565 [2020-10-16 11:32:46,869 INFO L226 Difference]: Without dead ends: 7544 [2020-10-16 11:32:46,870 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2020-10-16 11:32:46,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7544 states. [2020-10-16 11:32:47,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7544 to 7509. [2020-10-16 11:32:47,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7509 states. [2020-10-16 11:32:47,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7509 states to 7509 states and 36060 transitions. [2020-10-16 11:32:47,127 INFO L78 Accepts]: Start accepts. Automaton has 7509 states and 36060 transitions. Word has length 35 [2020-10-16 11:32:47,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:32:47,128 INFO L481 AbstractCegarLoop]: Abstraction has 7509 states and 36060 transitions. [2020-10-16 11:32:47,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 11:32:47,128 INFO L276 IsEmpty]: Start isEmpty. Operand 7509 states and 36060 transitions. [2020-10-16 11:32:47,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-16 11:32:47,151 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:32:47,151 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:32:47,151 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 11:32:47,151 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-16 11:32:47,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:32:47,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1012986355, now seen corresponding path program 1 times [2020-10-16 11:32:47,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:32:47,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656404611] [2020-10-16 11:32:47,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:32:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:32:47,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-16 11:32:47,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656404611] [2020-10-16 11:32:47,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:32:47,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 11:32:47,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929031956] [2020-10-16 11:32:47,217 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 11:32:47,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:32:47,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 11:32:47,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:32:47,218 INFO L87 Difference]: Start difference. First operand 7509 states and 36060 transitions. Second operand 5 states. [2020-10-16 11:32:47,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:32:47,413 INFO L93 Difference]: Finished difference Result 7509 states and 36059 transitions. [2020-10-16 11:32:47,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 11:32:47,413 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-10-16 11:32:47,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:32:47,433 INFO L225 Difference]: With dead ends: 7509 [2020-10-16 11:32:47,434 INFO L226 Difference]: Without dead ends: 6372 [2020-10-16 11:32:47,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 11:32:47,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6372 states. [2020-10-16 11:32:47,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6372 to 6372. [2020-10-16 11:32:47,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6372 states. [2020-10-16 11:32:47,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6372 states to 6372 states and 31125 transitions. [2020-10-16 11:32:47,670 INFO L78 Accepts]: Start accepts. Automaton has 6372 states and 31125 transitions. Word has length 35 [2020-10-16 11:32:47,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:32:47,671 INFO L481 AbstractCegarLoop]: Abstraction has 6372 states and 31125 transitions. [2020-10-16 11:32:47,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 11:32:47,671 INFO L276 IsEmpty]: Start isEmpty. Operand 6372 states and 31125 transitions. [2020-10-16 11:32:47,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-16 11:32:47,696 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:32:47,696 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:32:47,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 11:32:47,696 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-16 11:32:47,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:32:47,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1431328329, now seen corresponding path program 1 times [2020-10-16 11:32:47,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:32:47,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967946177] [2020-10-16 11:32:47,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:32:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:32:47,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:32:47,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967946177] [2020-10-16 11:32:47,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343212387] [2020-10-16 11:32:47,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 11:32:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:32:48,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 29 conjunts are in the unsatisfiable core [2020-10-16 11:32:48,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 11:32:48,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:32:48,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 11:32:48,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2020-10-16 11:32:48,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940697708] [2020-10-16 11:32:48,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 11:32:48,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:32:48,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 11:32:48,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-16 11:32:48,076 INFO L87 Difference]: Start difference. First operand 6372 states and 31125 transitions. Second operand 8 states. [2020-10-16 11:32:48,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:32:48,521 INFO L93 Difference]: Finished difference Result 9770 states and 48156 transitions. [2020-10-16 11:32:48,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 11:32:48,522 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2020-10-16 11:32:48,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:32:48,564 INFO L225 Difference]: With dead ends: 9770 [2020-10-16 11:32:48,565 INFO L226 Difference]: Without dead ends: 9678 [2020-10-16 11:32:48,565 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-16 11:32:48,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9678 states. [2020-10-16 11:32:48,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9678 to 6294. [2020-10-16 11:32:48,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6294 states. [2020-10-16 11:32:48,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6294 states to 6294 states and 30791 transitions. [2020-10-16 11:32:48,835 INFO L78 Accepts]: Start accepts. Automaton has 6294 states and 30791 transitions. Word has length 35 [2020-10-16 11:32:48,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:32:48,836 INFO L481 AbstractCegarLoop]: Abstraction has 6294 states and 30791 transitions. [2020-10-16 11:32:48,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 11:32:48,836 INFO L276 IsEmpty]: Start isEmpty. Operand 6294 states and 30791 transitions. [2020-10-16 11:32:48,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-16 11:32:48,857 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:32:48,857 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:32:49,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-10-16 11:32:49,072 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-16 11:32:49,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:32:49,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1039740004, now seen corresponding path program 1 times [2020-10-16 11:32:49,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:32:49,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324193144] [2020-10-16 11:32:49,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:32:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:32:49,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:32:49,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324193144] [2020-10-16 11:32:49,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795530383] [2020-10-16 11:32:49,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 11:32:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:32:49,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 31 conjunts are in the unsatisfiable core [2020-10-16 11:32:49,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 11:32:49,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:32:49,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 11:32:49,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2020-10-16 11:32:49,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734479998] [2020-10-16 11:32:49,413 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 11:32:49,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:32:49,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 11:32:49,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-16 11:32:49,414 INFO L87 Difference]: Start difference. First operand 6294 states and 30791 transitions. Second operand 8 states. [2020-10-16 11:32:49,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:32:49,878 INFO L93 Difference]: Finished difference Result 11135 states and 54548 transitions. [2020-10-16 11:32:49,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 11:32:49,878 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2020-10-16 11:32:49,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:32:49,932 INFO L225 Difference]: With dead ends: 11135 [2020-10-16 11:32:49,933 INFO L226 Difference]: Without dead ends: 10689 [2020-10-16 11:32:49,933 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-16 11:32:49,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10689 states. [2020-10-16 11:32:50,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10689 to 7366. [2020-10-16 11:32:50,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7366 states. [2020-10-16 11:32:50,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7366 states to 7366 states and 36015 transitions. [2020-10-16 11:32:50,329 INFO L78 Accepts]: Start accepts. Automaton has 7366 states and 36015 transitions. Word has length 36 [2020-10-16 11:32:50,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:32:50,329 INFO L481 AbstractCegarLoop]: Abstraction has 7366 states and 36015 transitions. [2020-10-16 11:32:50,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 11:32:50,329 INFO L276 IsEmpty]: Start isEmpty. Operand 7366 states and 36015 transitions. [2020-10-16 11:32:50,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-16 11:32:50,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:32:50,345 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:32:50,560 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 11:32:50,561 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-16 11:32:50,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:32:50,562 INFO L82 PathProgramCache]: Analyzing trace with hash 2123247270, now seen corresponding path program 1 times [2020-10-16 11:32:50,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:32:50,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244619178] [2020-10-16 11:32:50,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:32:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:32:51,144 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 77 [2020-10-16 11:32:51,348 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 73 [2020-10-16 11:32:51,534 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2020-10-16 11:32:51,738 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2020-10-16 11:32:51,931 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2020-10-16 11:32:52,126 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2020-10-16 11:32:52,324 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2020-10-16 11:32:52,511 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2020-10-16 11:32:52,727 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2020-10-16 11:32:52,948 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 64 [2020-10-16 11:32:53,164 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 65 [2020-10-16 11:32:53,402 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 60 [2020-10-16 11:32:53,600 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 49 [2020-10-16 11:32:53,800 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 44 [2020-10-16 11:32:54,091 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 44 [2020-10-16 11:32:54,276 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 46 [2020-10-16 11:32:55,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:32:55,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244619178] [2020-10-16 11:32:55,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682366985] [2020-10-16 11:32:55,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 11:32:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:32:55,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 29 conjunts are in the unsatisfiable core [2020-10-16 11:32:55,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 11:32:55,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:32:55,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 11:32:55,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 3] total 25 [2020-10-16 11:32:55,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726760777] [2020-10-16 11:32:55,379 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-16 11:32:55,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:32:55,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-16 11:32:55,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=645, Unknown=0, NotChecked=0, Total=702 [2020-10-16 11:32:55,380 INFO L87 Difference]: Start difference. First operand 7366 states and 36015 transitions. Second operand 27 states. [2020-10-16 11:32:55,635 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2020-10-16 11:32:55,971 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 84 [2020-10-16 11:32:56,473 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 118 [2020-10-16 11:32:57,309 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 166 [2020-10-16 11:32:58,369 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 179 [2020-10-16 11:32:59,491 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 187 [2020-10-16 11:33:00,872 WARN L193 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 196 [2020-10-16 11:33:02,434 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 172 [2020-10-16 11:33:03,713 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 234 DAG size of output: 199 [2020-10-16 11:33:04,126 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2020-10-16 11:33:05,434 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 185 [2020-10-16 11:33:06,503 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 182 [2020-10-16 11:33:07,486 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 176 [2020-10-16 11:33:08,136 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 124 [2020-10-16 11:33:09,510 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 252 DAG size of output: 215 [2020-10-16 11:33:09,987 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 109 [2020-10-16 11:33:11,444 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 188 [2020-10-16 11:33:12,576 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 193 [2020-10-16 11:33:13,827 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 212 DAG size of output: 194 [2020-10-16 11:33:15,035 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 182 [2020-10-16 11:33:15,752 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 140 [2020-10-16 11:33:17,260 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 265 DAG size of output: 226 [2020-10-16 11:33:17,846 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2020-10-16 11:33:19,160 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 216 DAG size of output: 185 [2020-10-16 11:33:20,260 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 179 [2020-10-16 11:33:21,558 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2020-10-16 11:33:23,088 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 212 DAG size of output: 194 [2020-10-16 11:33:24,567 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2020-10-16 11:33:25,455 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 151 [2020-10-16 11:33:26,349 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 135 [2020-10-16 11:33:28,035 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 270 DAG size of output: 228 [2020-10-16 11:33:29,710 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 247 DAG size of output: 210 [2020-10-16 11:33:31,052 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 224 DAG size of output: 191 [2020-10-16 11:33:32,807 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 230 DAG size of output: 197 [2020-10-16 11:33:33,315 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2020-10-16 11:33:34,624 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 216 DAG size of output: 185 [2020-10-16 11:33:35,321 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 114 [2020-10-16 11:33:36,739 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 228 DAG size of output: 195 [2020-10-16 11:33:38,743 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 227 DAG size of output: 207 [2020-10-16 11:33:40,042 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 202 DAG size of output: 177 [2020-10-16 11:33:41,077 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 148 [2020-10-16 11:33:42,281 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 161 [2020-10-16 11:33:44,248 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 281 DAG size of output: 233 [2020-10-16 11:33:45,254 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 137 [2020-10-16 11:33:47,079 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 240 DAG size of output: 205 [2020-10-16 11:33:48,805 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 242 DAG size of output: 207 [2020-10-16 11:33:49,628 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 133 [2020-10-16 11:33:50,121 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 105 [2020-10-16 11:33:51,950 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 230 DAG size of output: 197 [2020-10-16 11:33:52,401 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2020-10-16 11:33:54,265 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 229 DAG size of output: 196 [2020-10-16 11:33:56,057 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 240 DAG size of output: 205 [2020-10-16 11:33:56,961 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 130 [2020-10-16 11:33:58,610 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 241 DAG size of output: 206 [2020-10-16 11:34:00,437 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 223 DAG size of output: 190 [2020-10-16 11:34:01,785 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 213 DAG size of output: 182 [2020-10-16 11:34:02,906 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 175 [2020-10-16 11:34:04,064 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 164 [2020-10-16 11:34:05,459 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 159 [2020-10-16 11:34:06,568 WARN L193 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 166 [2020-10-16 11:34:07,614 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 142 [2020-10-16 11:34:08,669 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 154 [2020-10-16 11:34:10,456 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 252 DAG size of output: 215 [2020-10-16 11:34:11,241 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 130 [2020-10-16 11:34:13,086 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 255 DAG size of output: 218 [2020-10-16 11:34:13,975 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 139 [2020-10-16 11:34:14,648 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 115 [2020-10-16 11:34:16,958 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 243 DAG size of output: 208 [2020-10-16 11:34:18,506 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 125 [2020-10-16 11:34:20,266 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 245 DAG size of output: 210 [2020-10-16 11:34:21,468 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 141 [2020-10-16 11:34:23,430 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 237 DAG size of output: 202 [2020-10-16 11:34:26,408 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 279 DAG size of output: 237 [2020-10-16 11:34:27,801 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 184 DAG size of output: 164 [2020-10-16 11:34:29,889 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 253 DAG size of output: 216 [2020-10-16 11:34:30,995 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 140 [2020-10-16 11:34:31,804 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 125 [2020-10-16 11:34:32,972 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 140 [2020-10-16 11:34:35,279 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 260 DAG size of output: 220 [2020-10-16 11:34:36,149 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 115 [2020-10-16 11:34:37,358 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2020-10-16 11:34:40,271 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 257 DAG size of output: 220 [2020-10-16 11:34:42,527 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 211 DAG size of output: 186 [2020-10-16 11:34:44,439 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 193 DAG size of output: 170 [2020-10-16 11:34:47,222 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 288 DAG size of output: 239 [2020-10-16 11:34:48,577 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 165 DAG size of output: 146 [2020-10-16 11:34:50,138 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 185 DAG size of output: 165 [2020-10-16 11:34:52,686 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 258 DAG size of output: 218 [2020-10-16 11:34:53,928 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 157 DAG size of output: 141 [2020-10-16 11:34:55,581 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 174 DAG size of output: 156 [2020-10-16 11:34:57,337 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 192 DAG size of output: 169 [2020-10-16 11:34:58,725 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 174 DAG size of output: 153 [2020-10-16 11:35:01,291 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 271 DAG size of output: 225 [2020-10-16 11:35:02,467 WARN L193 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 127 [2020-10-16 11:35:03,263 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 105 [2020-10-16 11:35:04,482 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 139 [2020-10-16 11:35:05,520 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 131 [2020-10-16 11:35:09,780 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 228 DAG size of output: 195 [2020-10-16 11:35:10,750 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 120 [2020-10-16 11:35:13,171 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 217 DAG size of output: 199 [2020-10-16 11:35:15,883 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 252 DAG size of output: 212 [2020-10-16 11:35:17,913 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 220 DAG size of output: 188 [2020-10-16 11:35:19,963 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 222 DAG size of output: 193 [2020-10-16 11:35:22,271 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 202 DAG size of output: 172 [2020-10-16 11:35:24,201 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 204 DAG size of output: 177 [2020-10-16 11:35:27,931 WARN L193 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 292 DAG size of output: 243 [2020-10-16 11:35:29,956 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 176 DAG size of output: 153 [2020-10-16 11:35:31,836 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 190 DAG size of output: 167 [2020-10-16 11:35:35,263 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 268 DAG size of output: 222 [2020-10-16 11:35:37,675 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 187 DAG size of output: 167 [2020-10-16 11:35:39,398 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 169 DAG size of output: 151 [2020-10-16 11:35:41,768 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 203 DAG size of output: 174 [2020-10-16 11:35:43,651 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 185 DAG size of output: 158 [2020-10-16 11:35:45,185 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 156 DAG size of output: 132 [2020-10-16 11:35:46,822 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 162 DAG size of output: 146 [2020-10-16 11:35:49,993 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 242 DAG size of output: 207 [2020-10-16 11:35:50,915 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 105 [2020-10-16 11:35:52,355 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 144 DAG size of output: 131 [2020-10-16 11:35:53,791 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 159 DAG size of output: 144 [2020-10-16 11:35:56,677 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 145 DAG size of output: 130 [2020-10-16 11:36:00,243 WARN L193 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 263 DAG size of output: 217 [2020-10-16 11:36:02,773 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 224 DAG size of output: 192 [2020-10-16 11:36:05,976 WARN L193 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 261 DAG size of output: 213 [2020-10-16 11:36:08,660 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 231 DAG size of output: 196 [2020-10-16 11:36:11,657 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 206 DAG size of output: 176 [2020-10-16 11:36:14,917 WARN L193 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 243 DAG size of output: 197 [2020-10-16 11:36:17,448 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 213 DAG size of output: 180 [2020-10-16 11:36:20,670 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 200 DAG size of output: 171 [2020-10-16 11:36:25,608 WARN L193 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 269 DAG size of output: 229 [2020-10-16 11:36:27,913 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 174 DAG size of output: 156 [2020-10-16 11:36:31,332 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 235 DAG size of output: 202 [2020-10-16 11:36:34,542 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 146 DAG size of output: 131 [2020-10-16 11:36:37,720 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 235 DAG size of output: 200 [2020-10-16 11:36:43,350 WARN L193 SmtUtils]: Spent 5.31 s on a formula simplification. DAG size of input: 272 DAG size of output: 219 [2020-10-16 11:36:47,146 WARN L193 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 217 DAG size of output: 184 [2020-10-16 11:36:50,935 WARN L193 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 254 DAG size of output: 205 Received shutdown request... [2020-10-16 11:36:53,106 WARN L210 SmtUtils]: Removed 21 from assertion stack [2020-10-16 11:36:53,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2020-10-16 11:36:53,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-16 11:36:53,308 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-16 11:36:53,312 WARN L235 ceAbstractionStarter]: Timeout [2020-10-16 11:36:53,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:36:53 BasicIcfg [2020-10-16 11:36:53,312 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 11:36:53,314 INFO L168 Benchmark]: Toolchain (without parser) took 265342.47 ms. Allocated memory was 147.3 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 101.1 MB in the beginning and 1.0 GB in the end (delta: -932.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-10-16 11:36:53,314 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 11:36:53,314 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.35 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 100.7 MB in the beginning and 179.9 MB in the end (delta: -79.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2020-10-16 11:36:53,315 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.44 ms. Allocated memory is still 204.5 MB. Free memory was 179.9 MB in the beginning and 177.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-16 11:36:53,315 INFO L168 Benchmark]: Boogie Preprocessor took 31.88 ms. Allocated memory is still 204.5 MB. Free memory was 177.9 MB in the beginning and 175.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-16 11:36:53,315 INFO L168 Benchmark]: RCFGBuilder took 563.68 ms. Allocated memory is still 204.5 MB. Free memory was 175.9 MB in the beginning and 144.3 MB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2020-10-16 11:36:53,316 INFO L168 Benchmark]: TraceAbstraction took 264319.11 ms. Allocated memory was 204.5 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 143.6 MB in the beginning and 1.0 GB in the end (delta: -890.1 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-10-16 11:36:53,318 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 374.35 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 100.7 MB in the beginning and 179.9 MB in the end (delta: -79.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 47.44 ms. Allocated memory is still 204.5 MB. Free memory was 179.9 MB in the beginning and 177.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.88 ms. Allocated memory is still 204.5 MB. Free memory was 177.9 MB in the beginning and 175.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 563.68 ms. Allocated memory is still 204.5 MB. Free memory was 175.9 MB in the beginning and 144.3 MB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 264319.11 ms. Allocated memory was 204.5 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 143.6 MB in the beginning and 1.0 GB in the end (delta: -890.1 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 8397 VarBasedMoverChecksPositive, 114 VarBasedMoverChecksNegative, 29 SemBasedMoverChecksPositive, 85 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.8s, 986 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 8.2s, 221 PlacesBefore, 61 PlacesAfterwards, 234 TransitionsBefore, 68 TransitionsAfterwards, 11904 CoEnabledTransitionPairs, 6 FixpointIterations, 86 TrivialSequentialCompositions, 70 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 21 ConcurrentYvCompositions, 6 ChoiceCompositions, 191 TotalNumberOfCompositions, 31791 MoverChecksTotal - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 75). Cancelled while BasicCegarLoop was constructing difference of abstraction (7366states) and FLOYD_HOARE automaton (currently 138 states, 27 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 261 for 917ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 143 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 264.0s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 243.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.1s, HoareTripleCheckerStatistics: 819 SDtfs, 2838 SDslu, 2837 SDs, 0 SdLazy, 10651 SolverSat, 349 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 337 GetRequests, 105 SyntacticMatches, 1 SemanticMatches, 230 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8880 ImplicationChecksByTransitivity, 210.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10737occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 9012 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 456 NumberOfCodeBlocks, 456 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 443 ConstructedInterpolants, 0 QuantifiedInterpolants, 238067 SizeOfPredicates, 28 NumberOfNonLiveVariables, 764 ConjunctsInSsa, 89 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 6/12 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