/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/concurrent/pthreads/distributed_search2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 17:40:01,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 17:40:01,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 17:40:01,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 17:40:01,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 17:40:01,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 17:40:01,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 17:40:01,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 17:40:01,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 17:40:01,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 17:40:01,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 17:40:01,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 17:40:01,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 17:40:01,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 17:40:01,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 17:40:01,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 17:40:01,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 17:40:01,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 17:40:01,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 17:40:01,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 17:40:01,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 17:40:01,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 17:40:01,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 17:40:01,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 17:40:01,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-09 17:40:01,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 17:40:01,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 17:40:01,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 17:40:01,472 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-11-09 17:40:01,505 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 17:40:01,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 17:40:01,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 17:40:01,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 17:40:01,507 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 17:40:01,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 17:40:01,508 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 17:40:01,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 17:40:01,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 17:40:01,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 17:40:01,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 17:40:01,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 17:40:01,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 17:40:01,509 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 17:40:01,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 17:40:01,510 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 17:40:01,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 17:40:01,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 17:40:01,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 17:40:01,511 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 17:40:01,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 17:40:01,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 17:40:01,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 17:40:01,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-11-09 17:40:01,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 17:40:01,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 17:40:01,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 17:40:01,513 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-11-09 17:40:01,513 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-11-09 17:40:01,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 17:40:01,513 INFO L138 SettingsManager]: * Interpolant automaton=MCR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 17:40:01,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 17:40:02,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 17:40:02,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 17:40:02,010 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 17:40:02,013 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 17:40:02,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/distributed_search2.c [2020-11-09 17:40:02,106 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bab5d84f2/931b067c97ad4748b17258295bec2ad4/FLAG3a9927830 [2020-11-09 17:40:02,830 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 17:40:02,832 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/distributed_search2.c [2020-11-09 17:40:02,832 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2020-11-09 17:40:02,832 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2020-11-09 17:40:02,884 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bab5d84f2/931b067c97ad4748b17258295bec2ad4/FLAG3a9927830 [2020-11-09 17:40:03,152 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bab5d84f2/931b067c97ad4748b17258295bec2ad4 [2020-11-09 17:40:03,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 17:40:03,163 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 17:40:03,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 17:40:03,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 17:40:03,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 17:40:03,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:40:03" (1/1) ... [2020-11-09 17:40:03,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41d4d255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:40:03, skipping insertion in model container [2020-11-09 17:40:03,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:40:03" (1/1) ... [2020-11-09 17:40:03,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 17:40:03,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 17:40:03,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 17:40:03,395 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 17:40:03,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 17:40:03,444 INFO L208 MainTranslator]: Completed translation [2020-11-09 17:40:03,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:40:03 WrapperNode [2020-11-09 17:40:03,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 17:40:03,447 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 17:40:03,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 17:40:03,447 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 17:40:03,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:40:03" (1/1) ... [2020-11-09 17:40:03,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:40:03" (1/1) ... [2020-11-09 17:40:03,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 17:40:03,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 17:40:03,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 17:40:03,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 17:40:03,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:40:03" (1/1) ... [2020-11-09 17:40:03,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:40:03" (1/1) ... [2020-11-09 17:40:03,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:40:03" (1/1) ... [2020-11-09 17:40:03,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:40:03" (1/1) ... [2020-11-09 17:40:03,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:40:03" (1/1) ... [2020-11-09 17:40:03,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:40:03" (1/1) ... [2020-11-09 17:40:03,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:40:03" (1/1) ... [2020-11-09 17:40:03,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 17:40:03,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 17:40:03,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 17:40:03,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 17:40:03,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:40:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 17:40:03,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 17:40:03,633 INFO L130 BoogieDeclarations]: Found specification of procedure search_worker [2020-11-09 17:40:03,634 INFO L138 BoogieDeclarations]: Found implementation of procedure search_worker [2020-11-09 17:40:03,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 17:40:03,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 17:40:03,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 17:40:03,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-09 17:40:03,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 17:40:03,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 17:40:03,637 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-09 17:40:04,438 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 17:40:04,439 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-09 17:40:04,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:40:04 BoogieIcfgContainer [2020-11-09 17:40:04,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 17:40:04,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 17:40:04,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 17:40:04,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 17:40:04,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:40:03" (1/3) ... [2020-11-09 17:40:04,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2657345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:40:04, skipping insertion in model container [2020-11-09 17:40:04,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:40:03" (2/3) ... [2020-11-09 17:40:04,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2657345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:40:04, skipping insertion in model container [2020-11-09 17:40:04,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:40:04" (3/3) ... [2020-11-09 17:40:04,456 INFO L111 eAbstractionObserver]: Analyzing ICFG distributed_search2.c [2020-11-09 17:40:04,474 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 17:40:04,474 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-09 17:40:04,479 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-09 17:40:04,480 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 17:40:04,542 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,543 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,543 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,544 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,544 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,544 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,545 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,545 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,545 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,545 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,546 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,546 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,547 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,547 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,548 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,548 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,548 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,548 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,549 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,549 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,549 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,549 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,550 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,550 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,550 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,551 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,551 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,551 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,552 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,553 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,553 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,553 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,553 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,553 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,554 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,554 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,555 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,556 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,556 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,556 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,556 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,557 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,557 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,558 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,558 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,558 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,559 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,559 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,559 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,560 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,560 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,560 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,561 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,561 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,561 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,561 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,561 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,562 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,562 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,562 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,563 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,563 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,564 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,564 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,564 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,564 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,565 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,565 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,565 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,566 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,566 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,567 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,567 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,568 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,569 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,569 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,569 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,570 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,570 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,571 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,571 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,571 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,572 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,572 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,572 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,573 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,573 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,573 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,573 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,573 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,573 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,574 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,574 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,575 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,575 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,576 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,576 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,576 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,576 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,576 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,577 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,578 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,579 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,580 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,581 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,581 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,581 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,581 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,581 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,582 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,582 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,582 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,582 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,582 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,583 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,583 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,592 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,592 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,593 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,593 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,593 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,593 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,594 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,594 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,596 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,596 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,596 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,596 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,596 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,597 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,597 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,597 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,597 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,597 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,598 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,598 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,598 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,598 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,598 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,599 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,599 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,599 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,601 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,602 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,602 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,602 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,602 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,603 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,603 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,603 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,603 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,604 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,604 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,604 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,604 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,605 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,605 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,605 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,605 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,605 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,608 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,609 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,609 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,609 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,609 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,610 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,610 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,610 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,611 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,611 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,611 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,614 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,614 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,620 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,620 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,620 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,621 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,621 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,621 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,622 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,622 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,622 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,622 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,622 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,623 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,623 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:40:04,638 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-11-09 17:40:04,650 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-09 17:40:04,674 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 17:40:04,674 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 17:40:04,674 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 17:40:04,674 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 17:40:04,674 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 17:40:04,675 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 17:40:04,675 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 17:40:04,675 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 17:40:04,695 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 17:40:04,695 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 135 places, 138 transitions, 298 flow [2020-11-09 17:40:04,699 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 135 places, 138 transitions, 298 flow [2020-11-09 17:40:04,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 135 places, 138 transitions, 298 flow [2020-11-09 17:40:04,784 INFO L129 PetriNetUnfolder]: 9/138 cut-off events. [2020-11-09 17:40:04,784 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-11-09 17:40:04,794 INFO L84 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 138 events. 9/138 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 159 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 71. Up to 3 conditions per place. [2020-11-09 17:40:04,802 INFO L116 LiptonReduction]: Number of co-enabled transitions 1920 [2020-11-09 17:40:09,357 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-11-09 17:40:09,504 WARN L194 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-11-09 17:40:09,676 WARN L194 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-11-09 17:40:09,853 WARN L194 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-11-09 17:40:10,697 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2020-11-09 17:40:10,909 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2020-11-09 17:40:11,348 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2020-11-09 17:40:11,545 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-11-09 17:40:11,553 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 11, 1] term [2020-11-09 17:40:11,553 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:40:11,659 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-11-09 17:40:11,919 WARN L194 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-11-09 17:40:11,925 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 11, 1] term [2020-11-09 17:40:11,925 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-09 17:40:11,930 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 11, 1] term [2020-11-09 17:40:11,934 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-09 17:40:11,936 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 11, 1] term [2020-11-09 17:40:11,937 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:40:11,942 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:40:12,516 WARN L194 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-11-09 17:40:13,106 WARN L194 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 119 [2020-11-09 17:40:13,343 WARN L194 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-11-09 17:40:13,883 WARN L194 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 119 [2020-11-09 17:40:14,130 WARN L194 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-11-09 17:40:14,413 WARN L194 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-11-09 17:40:14,688 WARN L194 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-11-09 17:40:14,993 WARN L194 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-11-09 17:40:15,249 WARN L194 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-11-09 17:40:15,255 INFO L131 LiptonReduction]: Checked pairs total: 4237 [2020-11-09 17:40:15,255 INFO L133 LiptonReduction]: Total number of compositions: 125 [2020-11-09 17:40:15,268 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 30 transitions, 82 flow [2020-11-09 17:40:15,287 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 126 states. [2020-11-09 17:40:15,289 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2020-11-09 17:40:15,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-09 17:40:15,304 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:40:15,305 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:40:15,305 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-11-09 17:40:15,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:40:15,312 INFO L82 PathProgramCache]: Analyzing trace with hash -878946956, now seen corresponding path program 1 times [2020-11-09 17:40:15,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:40:15,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200150093] [2020-11-09 17:40:15,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:40:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:40:15,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:40:15,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200150093] [2020-11-09 17:40:15,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:40:15,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 17:40:15,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1926597547] [2020-11-09 17:40:15,646 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:40:15,657 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:40:15,695 INFO L252 McrAutomatonBuilder]: Finished intersection with 46 states and 80 transitions. [2020-11-09 17:40:15,696 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:40:15,924 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:40:15,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 17:40:15,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:40:15,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 17:40:15,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-09 17:40:15,952 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 5 states. [2020-11-09 17:40:16,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:40:16,088 INFO L93 Difference]: Finished difference Result 126 states and 313 transitions. [2020-11-09 17:40:16,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 17:40:16,090 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-11-09 17:40:16,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:40:16,103 INFO L225 Difference]: With dead ends: 126 [2020-11-09 17:40:16,103 INFO L226 Difference]: Without dead ends: 104 [2020-11-09 17:40:16,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-09 17:40:16,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-11-09 17:40:16,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-11-09 17:40:16,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-11-09 17:40:16,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 267 transitions. [2020-11-09 17:40:16,160 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 267 transitions. Word has length 16 [2020-11-09 17:40:16,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:40:16,161 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 267 transitions. [2020-11-09 17:40:16,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 17:40:16,161 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 267 transitions. [2020-11-09 17:40:16,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-09 17:40:16,164 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:40:16,164 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:40:16,164 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 17:40:16,165 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-11-09 17:40:16,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:40:16,165 INFO L82 PathProgramCache]: Analyzing trace with hash 351436872, now seen corresponding path program 1 times [2020-11-09 17:40:16,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:40:16,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351089219] [2020-11-09 17:40:16,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:40:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:40:16,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:40:16,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351089219] [2020-11-09 17:40:16,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:40:16,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 17:40:16,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1090904543] [2020-11-09 17:40:16,326 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:40:16,330 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:40:16,338 INFO L252 McrAutomatonBuilder]: Finished intersection with 43 states and 74 transitions. [2020-11-09 17:40:16,338 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:40:16,488 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:40:16,489 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 17:40:16,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:40:16,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 17:40:16,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 17:40:16,491 INFO L87 Difference]: Start difference. First operand 104 states and 267 transitions. Second operand 3 states. [2020-11-09 17:40:16,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:40:16,522 INFO L93 Difference]: Finished difference Result 170 states and 444 transitions. [2020-11-09 17:40:16,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 17:40:16,523 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-11-09 17:40:16,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:40:16,526 INFO L225 Difference]: With dead ends: 170 [2020-11-09 17:40:16,526 INFO L226 Difference]: Without dead ends: 163 [2020-11-09 17:40:16,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 15 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 17:40:16,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-11-09 17:40:16,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 140. [2020-11-09 17:40:16,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-11-09 17:40:16,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 372 transitions. [2020-11-09 17:40:16,555 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 372 transitions. Word has length 16 [2020-11-09 17:40:16,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:40:16,555 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 372 transitions. [2020-11-09 17:40:16,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 17:40:16,556 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 372 transitions. [2020-11-09 17:40:16,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 17:40:16,559 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:40:16,559 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:40:16,559 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 17:40:16,560 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-11-09 17:40:16,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:40:16,561 INFO L82 PathProgramCache]: Analyzing trace with hash 443469900, now seen corresponding path program 1 times [2020-11-09 17:40:16,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:40:16,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400743229] [2020-11-09 17:40:16,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:40:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:40:16,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:40:16,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400743229] [2020-11-09 17:40:16,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748489494] [2020-11-09 17:40:16,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 17:40:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:40:16,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 68 conjunts are in the unsatisfiable core [2020-11-09 17:40:16,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 17:40:16,993 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:40:17,315 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 30 [2020-11-09 17:40:17,317 INFO L348 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2020-11-09 17:40:17,317 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 240 treesize of output 272 [2020-11-09 17:40:17,320 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 3, 2, 2, 1] term [2020-11-09 17:40:17,320 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:40:17,323 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:40:17,325 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:40:17,326 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:40:17,328 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:40:17,330 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:40:17,332 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:40:17,333 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:40:17,339 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 17:40:17,640 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 30 [2020-11-09 17:40:17,641 INFO L348 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2020-11-09 17:40:17,642 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 240 treesize of output 272 [2020-11-09 17:40:17,645 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 3, 2, 2, 1] term [2020-11-09 17:40:17,645 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:40:17,647 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:40:17,648 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:40:17,650 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:40:17,652 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:40:17,654 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:40:17,655 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:40:17,656 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:40:17,663 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-09 17:40:17,804 INFO L348 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2020-11-09 17:40:17,805 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 240 treesize of output 272 [2020-11-09 17:40:17,807 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 3, 2, 2, 1] term [2020-11-09 17:40:17,807 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:40:17,809 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:40:17,811 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:40:17,814 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:40:17,815 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:40:17,815 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:40:17,821 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-11-09 17:40:18,548 WARN L194 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 68 [2020-11-09 17:40:18,549 INFO L625 ElimStorePlain]: treesize reduction 1767, result has 13.1 percent of original size [2020-11-09 17:40:18,562 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2020-11-09 17:40:18,564 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-11-09 17:40:18,790 WARN L194 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2020-11-09 17:40:18,791 INFO L625 ElimStorePlain]: treesize reduction 91, result has 64.2 percent of original size [2020-11-09 17:40:18,799 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2020-11-09 17:40:18,800 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-11-09 17:40:18,901 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2020-11-09 17:40:18,902 INFO L625 ElimStorePlain]: treesize reduction 81, result has 46.7 percent of original size [2020-11-09 17:40:18,912 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 4 disjuncts [2020-11-09 17:40:18,920 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-09 17:40:18,921 INFO L244 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:240, output treesize:71 [2020-11-09 17:40:18,931 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 4 disjuncts [2020-11-09 17:40:19,033 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 4 disjuncts [2020-11-09 17:40:19,421 WARN L194 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2020-11-09 17:40:19,432 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:40:19,449 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:40:19,467 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:40:19,485 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:40:19,496 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-09 17:40:19,517 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:40:19,518 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:40:19,533 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:40:19,547 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:40:19,562 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:40:19,576 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:40:19,595 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:40:19,610 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:40:19,623 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:40:19,637 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:40:19,650 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:40:19,664 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:40:19,680 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:40:19,697 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:40:19,711 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:40:19,723 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:40:19,793 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:40:19,793 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-11-09 17:40:19,794 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 17:40:19,859 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:40:19,860 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 26 treesize of output 64 [2020-11-09 17:40:19,861 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-09 17:40:19,908 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:40:19,908 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-11-09 17:40:19,909 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-11-09 17:40:20,010 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:40:20,011 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 31 treesize of output 99 [2020-11-09 17:40:20,012 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-11-09 17:40:20,115 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:40:20,116 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 31 treesize of output 99 [2020-11-09 17:40:20,117 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-11-09 17:40:20,227 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:40:20,228 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 31 treesize of output 99 [2020-11-09 17:40:20,231 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-11-09 17:40:20,303 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:40:20,304 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 26 treesize of output 64 [2020-11-09 17:40:20,306 INFO L547 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-11-09 17:40:20,349 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:40:20,350 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-11-09 17:40:20,351 INFO L547 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-11-09 17:40:20,399 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:40:20,400 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 26 treesize of output 64 [2020-11-09 17:40:20,401 INFO L547 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-11-09 17:40:21,473 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2020-11-09 17:40:21,474 INFO L625 ElimStorePlain]: treesize reduction 36, result has 95.4 percent of original size [2020-11-09 17:40:21,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-09 17:40:21,509 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2020-11-09 17:40:21,510 INFO L547 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-11-09 17:40:21,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-09 17:40:21,532 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2020-11-09 17:40:21,533 INFO L547 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-11-09 17:40:21,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-09 17:40:21,560 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2020-11-09 17:40:21,561 INFO L547 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-11-09 17:40:21,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-09 17:40:21,582 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2020-11-09 17:40:21,582 INFO L547 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2020-11-09 17:40:21,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-09 17:40:21,603 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2020-11-09 17:40:21,604 INFO L547 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2020-11-09 17:40:21,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-09 17:40:21,627 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2020-11-09 17:40:21,628 INFO L547 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2020-11-09 17:40:21,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-09 17:40:21,648 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2020-11-09 17:40:21,649 INFO L547 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2020-11-09 17:40:21,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-09 17:40:21,672 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2020-11-09 17:40:21,673 INFO L547 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2020-11-09 17:40:21,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-09 17:40:21,689 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2020-11-09 17:40:21,690 INFO L547 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2020-11-09 17:40:22,163 WARN L194 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-09 17:40:22,164 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:40:22,186 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 18 dim-0 vars, and 9 xjuncts. [2020-11-09 17:40:22,187 INFO L244 ElimStorePlain]: Needed 19 recursive calls to eliminate 8 variables, input treesize:835, output treesize:739 [2020-11-09 17:40:23,415 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 167 DAG size of output: 55 [2020-11-09 17:40:23,564 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 9, 1] term [2020-11-09 17:40:23,564 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-09 17:40:30,599 WARN L194 SmtUtils]: Spent 6.97 s on a formula simplification that was a NOOP. DAG size: 65 [2020-11-09 17:40:30,617 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:40:30,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:40:30,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 17:40:30,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 8] total 11 [2020-11-09 17:40:30,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1161149808] [2020-11-09 17:40:30,976 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:40:30,981 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:40:30,997 INFO L252 McrAutomatonBuilder]: Finished intersection with 60 states and 111 transitions. [2020-11-09 17:40:30,998 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:40:31,194 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [1253#(and (or (= |ULTIMATE.start_main_~#haystack~0.offset| 0) (not (= ~search_needle~0 (select (select |#memory_int| ~search_haystack~0.base) (+ ~search_haystack~0.offset (* search_workerThread1of1ForFork1_~i~0 4)))))) (or (not (= ~search_needle~0 (select (select |#memory_int| ~search_haystack~0.base) (+ ~search_haystack~0.offset (* search_workerThread1of1ForFork1_~i~0 4))))) (= (select (select |#memory_int| |ULTIMATE.start_main_~#haystack~0.base|) (* search_workerThread1of1ForFork1_~i~0 4)) ULTIMATE.start_main_~needle~0)))] [2020-11-09 17:40:31,194 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-09 17:40:31,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:40:31,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-09 17:40:31,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-11-09 17:40:31,196 INFO L87 Difference]: Start difference. First operand 140 states and 372 transitions. Second operand 6 states. [2020-11-09 17:40:31,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:40:31,431 INFO L93 Difference]: Finished difference Result 202 states and 539 transitions. [2020-11-09 17:40:31,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 17:40:31,432 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-11-09 17:40:31,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:40:31,435 INFO L225 Difference]: With dead ends: 202 [2020-11-09 17:40:31,435 INFO L226 Difference]: Without dead ends: 158 [2020-11-09 17:40:31,436 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-11-09 17:40:31,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-11-09 17:40:31,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 110. [2020-11-09 17:40:31,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-11-09 17:40:31,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 290 transitions. [2020-11-09 17:40:31,448 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 290 transitions. Word has length 19 [2020-11-09 17:40:31,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:40:31,449 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 290 transitions. [2020-11-09 17:40:31,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-09 17:40:31,449 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 290 transitions. [2020-11-09 17:40:31,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-09 17:40:31,450 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:40:31,451 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] [2020-11-09 17:40:31,664 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-09 17:40:31,665 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-11-09 17:40:31,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:40:31,666 INFO L82 PathProgramCache]: Analyzing trace with hash -799546606, now seen corresponding path program 1 times [2020-11-09 17:40:31,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:40:31,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953588262] [2020-11-09 17:40:31,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:40:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:40:32,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:40:32,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953588262] [2020-11-09 17:40:32,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:40:32,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-09 17:40:32,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1521779985] [2020-11-09 17:40:32,389 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:40:32,394 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:40:32,406 INFO L252 McrAutomatonBuilder]: Finished intersection with 50 states and 86 transitions. [2020-11-09 17:40:32,406 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:40:33,142 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 9 new interpolants: [1696#(and (or (< (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) |search_workerThread1of1ForFork1_#in~params.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) (+ |search_workerThread1of1ForFork1_#in~params.offset| 4))) (= search_workerThread1of1ForFork0_~i~0 0)) (or (= (mod ~search_found~0 256) 0) (= search_workerThread1of1ForFork0_~i~0 0)) (or (<= search_workerThread1of1ForFork0_~upper~0 0) (< (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) |search_workerThread1of1ForFork1_#in~params.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) (+ |search_workerThread1of1ForFork1_#in~params.offset| 4))) (not (= ~search_found~0 (* 256 (div ~search_found~0 256)))))), 1697#(and (or (<= (select (select |#memory_int| search_workerThread1of1ForFork0_~bounds~0.base) (+ search_workerThread1of1ForFork0_~bounds~0.offset 4)) 0) (< (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) |search_workerThread1of1ForFork1_#in~params.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) (+ |search_workerThread1of1ForFork1_#in~params.offset| 4))) (not (= ~search_found~0 (* 256 (div ~search_found~0 256))))) (or (= (mod ~search_found~0 256) 0) (= search_workerThread1of1ForFork0_~lower~0 0)) (or (= search_workerThread1of1ForFork0_~lower~0 0) (< (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) |search_workerThread1of1ForFork1_#in~params.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) (+ |search_workerThread1of1ForFork1_#in~params.offset| 4))))), 1698#(and (= (mod ~search_found~0 256) 0) (< (select (select |#memory_int| |ULTIMATE.start_search_~#bounds2~0.base|) |ULTIMATE.start_search_~#bounds2~0.offset|) (select (select |#memory_int| |ULTIMATE.start_search_~#bounds2~0.base|) (+ |ULTIMATE.start_search_~#bounds2~0.offset| 4)))), 1699#(and (or (= (mod ~search_found~0 256) 0) (= search_workerThread1of1ForFork0_~i~0 0)) (or (< (select (select |#memory_int| |ULTIMATE.start_search_~#bounds2~0.base|) |ULTIMATE.start_search_~#bounds2~0.offset|) (select (select |#memory_int| |ULTIMATE.start_search_~#bounds2~0.base|) (+ |ULTIMATE.start_search_~#bounds2~0.offset| 4))) (= search_workerThread1of1ForFork0_~i~0 0)) (or (not (= (mod ~search_found~0 256) 0)) (<= search_workerThread1of1ForFork0_~upper~0 search_workerThread1of1ForFork0_~i~0) (< (select (select |#memory_int| |ULTIMATE.start_search_~#bounds2~0.base|) |ULTIMATE.start_search_~#bounds2~0.offset|) (select (select |#memory_int| |ULTIMATE.start_search_~#bounds2~0.base|) (+ |ULTIMATE.start_search_~#bounds2~0.offset| 4))))), 1700#(and (or (= search_workerThread1of1ForFork0_~lower~0 0) (< (select (select |#memory_int| |ULTIMATE.start_search_~#bounds2~0.base|) |ULTIMATE.start_search_~#bounds2~0.offset|) (select (select |#memory_int| |ULTIMATE.start_search_~#bounds2~0.base|) (+ |ULTIMATE.start_search_~#bounds2~0.offset| 4)))) (or (= (mod ~search_found~0 256) 0) (= search_workerThread1of1ForFork0_~lower~0 0)) (or (<= (select (select |#memory_int| search_workerThread1of1ForFork0_~bounds~0.base) (+ search_workerThread1of1ForFork0_~bounds~0.offset 4)) 0) (not (= ~search_found~0 (* 256 (div ~search_found~0 256)))) (< (select (select |#memory_int| |ULTIMATE.start_search_~#bounds2~0.base|) |ULTIMATE.start_search_~#bounds2~0.offset|) (select (select |#memory_int| |ULTIMATE.start_search_~#bounds2~0.base|) (+ |ULTIMATE.start_search_~#bounds2~0.offset| 4))))), 1692#(and (= (mod ~search_found~0 256) 0) (< search_workerThread1of1ForFork1_~i~0 search_workerThread1of1ForFork1_~upper~0)), 1693#(and (or (< search_workerThread1of1ForFork1_~i~0 search_workerThread1of1ForFork1_~upper~0) (= search_workerThread1of1ForFork0_~i~0 0)) (or (= (mod ~search_found~0 256) 0) (= search_workerThread1of1ForFork0_~i~0 0)) (or (< search_workerThread1of1ForFork1_~i~0 search_workerThread1of1ForFork1_~upper~0) (<= search_workerThread1of1ForFork0_~upper~0 0) (not (= ~search_found~0 (* 256 (div ~search_found~0 256)))))), 1694#(and (or (< search_workerThread1of1ForFork1_~i~0 search_workerThread1of1ForFork1_~upper~0) (= search_workerThread1of1ForFork0_~lower~0 0)) (or (= (mod ~search_found~0 256) 0) (= search_workerThread1of1ForFork0_~lower~0 0)) (or (< search_workerThread1of1ForFork1_~i~0 search_workerThread1of1ForFork1_~upper~0) (<= (select (select |#memory_int| search_workerThread1of1ForFork0_~bounds~0.base) (+ search_workerThread1of1ForFork0_~bounds~0.offset 4)) 0) (not (= ~search_found~0 (* 256 (div ~search_found~0 256)))))), 1695#(and (= (mod ~search_found~0 256) 0) (< (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) |search_workerThread1of1ForFork1_#in~params.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) (+ |search_workerThread1of1ForFork1_#in~params.offset| 4))))] [2020-11-09 17:40:33,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-09 17:40:33,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:40:33,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-09 17:40:33,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2020-11-09 17:40:33,144 INFO L87 Difference]: Start difference. First operand 110 states and 290 transitions. Second operand 19 states. [2020-11-09 17:40:33,638 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-11-09 17:40:33,870 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-11-09 17:40:34,086 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-11-09 17:40:34,366 WARN L194 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-11-09 17:40:34,634 WARN L194 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-11-09 17:40:35,015 WARN L194 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2020-11-09 17:40:35,224 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-11-09 17:40:35,534 WARN L194 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-11-09 17:40:35,929 WARN L194 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-11-09 17:40:36,321 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-11-09 17:40:36,810 WARN L194 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2020-11-09 17:40:37,075 WARN L194 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-11-09 17:40:37,536 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-11-09 17:40:37,893 WARN L194 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2020-11-09 17:40:38,270 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-09 17:40:38,688 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2020-11-09 17:40:39,342 WARN L194 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 108 [2020-11-09 17:40:39,621 WARN L194 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-11-09 17:40:40,032 WARN L194 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2020-11-09 17:40:40,561 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-11-09 17:40:41,082 WARN L194 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 104 [2020-11-09 17:40:41,414 WARN L194 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 65 [2020-11-09 17:40:41,897 WARN L194 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-11-09 17:40:42,203 WARN L194 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2020-11-09 17:40:42,534 WARN L194 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 73 [2020-11-09 17:40:43,145 WARN L194 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 77 [2020-11-09 17:40:43,528 WARN L194 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 66 [2020-11-09 17:40:44,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:40:44,005 INFO L93 Difference]: Finished difference Result 326 states and 898 transitions. [2020-11-09 17:40:44,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-11-09 17:40:44,005 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 20 [2020-11-09 17:40:44,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:40:44,010 INFO L225 Difference]: With dead ends: 326 [2020-11-09 17:40:44,011 INFO L226 Difference]: Without dead ends: 290 [2020-11-09 17:40:44,012 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 18 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=635, Invalid=2121, Unknown=0, NotChecked=0, Total=2756 [2020-11-09 17:40:44,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2020-11-09 17:40:44,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 130. [2020-11-09 17:40:44,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-11-09 17:40:44,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 351 transitions. [2020-11-09 17:40:44,030 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 351 transitions. Word has length 20 [2020-11-09 17:40:44,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:40:44,030 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 351 transitions. [2020-11-09 17:40:44,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-09 17:40:44,030 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 351 transitions. [2020-11-09 17:40:44,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-09 17:40:44,038 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:40:44,038 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] [2020-11-09 17:40:44,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-09 17:40:44,038 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-11-09 17:40:44,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:40:44,039 INFO L82 PathProgramCache]: Analyzing trace with hash -598861718, now seen corresponding path program 2 times [2020-11-09 17:40:44,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:40:44,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487175831] [2020-11-09 17:40:44,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:40:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:40:44,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:40:44,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487175831] [2020-11-09 17:40:44,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36474537] [2020-11-09 17:40:44,546 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 17:40:44,635 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-09 17:40:44,635 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 17:40:44,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 58 conjunts are in the unsatisfiable core [2020-11-09 17:40:44,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 17:40:44,670 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2020-11-09 17:40:44,676 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-11-09 17:40:44,738 INFO L625 ElimStorePlain]: treesize reduction 22, result has 67.6 percent of original size [2020-11-09 17:40:44,746 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-11-09 17:40:44,747 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-09 17:40:44,767 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:40:44,768 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-09 17:40:44,769 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:51, output treesize:42 [2020-11-09 17:40:44,897 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:40:44,897 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 52 [2020-11-09 17:40:44,898 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 17:40:44,980 INFO L625 ElimStorePlain]: treesize reduction 16, result has 78.1 percent of original size [2020-11-09 17:40:44,984 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-09 17:40:44,986 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-09 17:40:44,986 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:53, output treesize:57 [2020-11-09 17:40:44,988 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-09 17:40:45,731 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-09 17:40:45,789 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-09 17:40:45,854 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-09 17:40:45,907 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-09 17:40:45,910 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:40:45,911 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-09 17:40:47,160 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2020-11-09 17:40:47,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:40:47,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 17:40:47,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 16 [2020-11-09 17:40:47,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1067541970] [2020-11-09 17:40:47,407 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:40:47,411 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:40:47,424 INFO L252 McrAutomatonBuilder]: Finished intersection with 61 states and 109 transitions. [2020-11-09 17:40:47,424 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:40:48,375 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 7 new interpolants: [2432#(and (or (not (= (select (select |#memory_int| |ULTIMATE.start_search_~#searcher1~0.base|) |ULTIMATE.start_search_~#searcher1~0.offset|) search_workerThread1of1ForFork0_thidvar0)) (= |ULTIMATE.start_main_~#haystack~0.offset| 0)) (or (not (= (select (select |#memory_int| |ULTIMATE.start_search_~#searcher1~0.base|) |ULTIMATE.start_search_~#searcher1~0.offset|) search_workerThread1of1ForFork0_thidvar0)) (= search_workerThread1of1ForFork0_~i~0 0)) (or (not (= (select (select |#memory_int| |ULTIMATE.start_search_~#searcher1~0.base|) |ULTIMATE.start_search_~#searcher1~0.offset|) search_workerThread1of1ForFork0_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#haystack~0.base|) 0) ULTIMATE.start_main_~needle~0))), 2433#(and (or (not (= search_workerThread1of1ForFork0_~i~0 0)) (= |ULTIMATE.start_main_~#haystack~0.offset| 0)) (or (not (= (select (select |#memory_int| |ULTIMATE.start_search_~#searcher1~0.base|) |ULTIMATE.start_search_~#searcher1~0.offset|) search_workerThread1of1ForFork0_thidvar0)) (= search_workerThread1of1ForFork0_~i~0 0)) (or (not (= search_workerThread1of1ForFork0_~i~0 0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#haystack~0.base|) 0) ULTIMATE.start_main_~needle~0))), 2434#(and (or (not (= search_workerThread1of1ForFork0_~i~0 0)) (= ULTIMATE.start_main_~needle~0 ~search_needle~0)) (or (not (= search_workerThread1of1ForFork0_~i~0 0)) (= |ULTIMATE.start_main_~#haystack~0.offset| 0)) (or (not (= (select (select |#memory_int| |ULTIMATE.start_search_~#searcher1~0.base|) |ULTIMATE.start_search_~#searcher1~0.offset|) search_workerThread1of1ForFork0_thidvar0)) (= search_workerThread1of1ForFork0_~i~0 0)) (or (not (= search_workerThread1of1ForFork0_~i~0 0)) (= |ULTIMATE.start_main_~#haystack~0.base| ~search_haystack~0.base)) (or (not (= search_workerThread1of1ForFork0_~i~0 0)) (= (+ ~search_haystack~0.offset (* 4 search_workerThread1of1ForFork0_~i~0)) 0))), 2435#(and (or (= search_workerThread1of1ForFork0_~lower~0 (select (select |#memory_int| |ULTIMATE.start_search_~#searcher1~0.base|) |ULTIMATE.start_search_~#searcher1~0.offset|)) (= search_workerThread1of1ForFork0_~lower~0 0)) (= |ULTIMATE.start_main_~#haystack~0.offset| 0) (= ULTIMATE.start_main_~needle~0 ~search_needle~0) (= |ULTIMATE.start_main_~#haystack~0.base| ~search_haystack~0.base) (or (= search_workerThread1of1ForFork0_~lower~0 0) (= search_workerThread1of1ForFork0_thidvar0 0)) (= ~search_haystack~0.offset 0)), 2436#(and (= |ULTIMATE.start_main_~#haystack~0.offset| 0) (= ULTIMATE.start_main_~needle~0 ~search_needle~0) (or (= (select (select |#memory_int| |ULTIMATE.start_search_~#searcher1~0.base|) |ULTIMATE.start_search_~#searcher1~0.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) |search_workerThread1of1ForFork0_#in~params.offset|)) (= (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) |search_workerThread1of1ForFork0_#in~params.offset|) 0)) (= |ULTIMATE.start_main_~#haystack~0.base| ~search_haystack~0.base) (= ~search_haystack~0.offset 0) (or (= (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) |search_workerThread1of1ForFork0_#in~params.offset|) 0) (= search_workerThread1of1ForFork0_thidvar0 0))), 2430#(and (or (not (= (select (select |#memory_int| |ULTIMATE.start_search_~#searcher1~0.base|) |ULTIMATE.start_search_~#searcher1~0.offset|) search_workerThread1of1ForFork0_thidvar0)) (= |ULTIMATE.start_main_~#haystack~0.offset| 0)) (or (not (= (select (select |#memory_int| |ULTIMATE.start_search_~#searcher1~0.base|) |ULTIMATE.start_search_~#searcher1~0.offset|) search_workerThread1of1ForFork0_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#haystack~0.base|) 0) ULTIMATE.start_main_~needle~0)) (or (not (= (select (select |#memory_int| |ULTIMATE.start_search_~#searcher1~0.base|) |ULTIMATE.start_search_~#searcher1~0.offset|) search_workerThread1of1ForFork0_thidvar0)) (= ~search_result~0 0))), 2431#(and (or (= |ULTIMATE.start_main_~#haystack~0.offset| 0) (not (= search_workerThread1of1ForFork0_thidvar0 |ULTIMATE.start_search_#t~mem6|))) (or (not (= search_workerThread1of1ForFork0_thidvar0 |ULTIMATE.start_search_#t~mem6|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#haystack~0.base|) 0) ULTIMATE.start_main_~needle~0)) (or (not (= search_workerThread1of1ForFork0_thidvar0 |ULTIMATE.start_search_#t~mem6|)) (= search_workerThread1of1ForFork0_~i~0 0)))] [2020-11-09 17:40:48,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-09 17:40:48,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:40:48,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-09 17:40:48,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=527, Unknown=1, NotChecked=0, Total=600 [2020-11-09 17:40:48,377 INFO L87 Difference]: Start difference. First operand 130 states and 351 transitions. Second operand 18 states. [2020-11-09 17:40:48,792 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 55 [2020-11-09 17:40:48,938 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2020-11-09 17:40:49,183 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2020-11-09 17:40:49,457 WARN L194 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2020-11-09 17:40:49,747 WARN L194 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2020-11-09 17:40:50,086 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2020-11-09 17:40:50,380 WARN L194 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2020-11-09 17:40:50,801 WARN L194 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2020-11-09 17:40:51,122 WARN L194 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-11-09 17:40:51,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:40:51,358 INFO L93 Difference]: Finished difference Result 329 states and 900 transitions. [2020-11-09 17:40:51,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-09 17:40:51,358 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 20 [2020-11-09 17:40:51,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:40:51,367 INFO L225 Difference]: With dead ends: 329 [2020-11-09 17:40:51,367 INFO L226 Difference]: Without dead ends: 311 [2020-11-09 17:40:51,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 30 SyntacticMatches, 15 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=225, Invalid=1106, Unknown=1, NotChecked=0, Total=1332 [2020-11-09 17:40:51,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2020-11-09 17:40:51,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 188. [2020-11-09 17:40:51,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-11-09 17:40:51,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 523 transitions. [2020-11-09 17:40:51,401 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 523 transitions. Word has length 20 [2020-11-09 17:40:51,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:40:51,401 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 523 transitions. [2020-11-09 17:40:51,401 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-09 17:40:51,401 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 523 transitions. [2020-11-09 17:40:51,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-09 17:40:51,403 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:40:51,403 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] [2020-11-09 17:40:51,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 17:40:51,623 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-11-09 17:40:51,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:40:51,624 INFO L82 PathProgramCache]: Analyzing trace with hash 914665954, now seen corresponding path program 3 times [2020-11-09 17:40:51,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:40:51,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398887489] [2020-11-09 17:40:51,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:40:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:40:52,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:40:52,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398887489] [2020-11-09 17:40:52,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:40:52,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-09 17:40:52,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1012118118] [2020-11-09 17:40:52,203 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:40:52,206 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:40:52,215 INFO L252 McrAutomatonBuilder]: Finished intersection with 44 states and 72 transitions. [2020-11-09 17:40:52,216 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:40:52,757 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 6 new interpolants: [3176#(and (= (mod ~search_found~0 256) 0) (< search_workerThread1of1ForFork1_~i~0 search_workerThread1of1ForFork1_~upper~0)), 3177#(and (= (mod ~search_found~0 256) 0) (< (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) |search_workerThread1of1ForFork1_#in~params.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) (+ |search_workerThread1of1ForFork1_#in~params.offset| 4)))), 3178#(and (or (< search_workerThread1of1ForFork1_~i~0 search_workerThread1of1ForFork1_~upper~0) (= search_workerThread1of1ForFork0_~i~0 0)) (or (= (mod ~search_found~0 256) 0) (= search_workerThread1of1ForFork0_~i~0 0)) (or (< search_workerThread1of1ForFork1_~i~0 search_workerThread1of1ForFork1_~upper~0) (<= search_workerThread1of1ForFork0_~upper~0 0) (not (= ~search_found~0 (* 256 (div ~search_found~0 256)))))), 3179#(and (or (< (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) |search_workerThread1of1ForFork1_#in~params.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) (+ |search_workerThread1of1ForFork1_#in~params.offset| 4))) (= search_workerThread1of1ForFork0_~i~0 0)) (or (= (mod ~search_found~0 256) 0) (= search_workerThread1of1ForFork0_~i~0 0)) (or (<= search_workerThread1of1ForFork0_~upper~0 0) (< (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) |search_workerThread1of1ForFork1_#in~params.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) (+ |search_workerThread1of1ForFork1_#in~params.offset| 4))) (not (= ~search_found~0 (* 256 (div ~search_found~0 256)))))), 3180#(and (= (mod ~search_found~0 256) 0) (< (select (select |#memory_int| |ULTIMATE.start_search_~#bounds2~0.base|) |ULTIMATE.start_search_~#bounds2~0.offset|) (select (select |#memory_int| |ULTIMATE.start_search_~#bounds2~0.base|) (+ |ULTIMATE.start_search_~#bounds2~0.offset| 4)))), 3181#(and (or (= (mod ~search_found~0 256) 0) (= search_workerThread1of1ForFork0_~i~0 0)) (or (< (select (select |#memory_int| |ULTIMATE.start_search_~#bounds2~0.base|) |ULTIMATE.start_search_~#bounds2~0.offset|) (select (select |#memory_int| |ULTIMATE.start_search_~#bounds2~0.base|) (+ |ULTIMATE.start_search_~#bounds2~0.offset| 4))) (= search_workerThread1of1ForFork0_~i~0 0)) (or (not (= (mod ~search_found~0 256) 0)) (<= search_workerThread1of1ForFork0_~upper~0 search_workerThread1of1ForFork0_~i~0) (< (select (select |#memory_int| |ULTIMATE.start_search_~#bounds2~0.base|) |ULTIMATE.start_search_~#bounds2~0.offset|) (select (select |#memory_int| |ULTIMATE.start_search_~#bounds2~0.base|) (+ |ULTIMATE.start_search_~#bounds2~0.offset| 4)))))] [2020-11-09 17:40:52,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-09 17:40:52,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:40:52,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-09 17:40:52,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-11-09 17:40:52,759 INFO L87 Difference]: Start difference. First operand 188 states and 523 transitions. Second operand 16 states. [2020-11-09 17:40:53,247 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-11-09 17:40:53,517 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-09 17:40:53,761 WARN L194 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-11-09 17:40:54,183 WARN L194 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-11-09 17:40:54,497 WARN L194 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-11-09 17:40:54,776 WARN L194 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2020-11-09 17:40:55,095 WARN L194 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2020-11-09 17:40:55,543 WARN L194 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2020-11-09 17:40:55,787 WARN L194 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-11-09 17:40:56,157 WARN L194 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-11-09 17:40:56,493 WARN L194 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 79 [2020-11-09 17:40:56,752 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-11-09 17:40:56,971 WARN L194 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-11-09 17:40:57,569 WARN L194 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 108 [2020-11-09 17:40:57,855 WARN L194 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-11-09 17:40:58,242 WARN L194 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 82 [2020-11-09 17:40:58,482 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-09 17:40:58,748 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-09 17:40:59,036 WARN L194 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-11-09 17:40:59,530 WARN L194 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2020-11-09 17:40:59,706 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-11-09 17:41:00,196 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 88 [2020-11-09 17:41:00,457 WARN L194 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-11-09 17:41:00,956 WARN L194 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 71 [2020-11-09 17:41:01,500 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 92 [2020-11-09 17:41:02,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:41:02,097 INFO L93 Difference]: Finished difference Result 527 states and 1501 transitions. [2020-11-09 17:41:02,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-11-09 17:41:02,097 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 20 [2020-11-09 17:41:02,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:41:02,101 INFO L225 Difference]: With dead ends: 527 [2020-11-09 17:41:02,102 INFO L226 Difference]: Without dead ends: 479 [2020-11-09 17:41:02,103 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 15 SyntacticMatches, 3 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=506, Invalid=1656, Unknown=0, NotChecked=0, Total=2162 [2020-11-09 17:41:02,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2020-11-09 17:41:02,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 186. [2020-11-09 17:41:02,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-11-09 17:41:02,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 516 transitions. [2020-11-09 17:41:02,117 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 516 transitions. Word has length 20 [2020-11-09 17:41:02,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:41:02,118 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 516 transitions. [2020-11-09 17:41:02,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-09 17:41:02,118 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 516 transitions. [2020-11-09 17:41:02,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-09 17:41:02,120 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:41:02,120 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] [2020-11-09 17:41:02,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 17:41:02,120 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-11-09 17:41:02,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:41:02,121 INFO L82 PathProgramCache]: Analyzing trace with hash 639184670, now seen corresponding path program 4 times [2020-11-09 17:41:02,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:41:02,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212299274] [2020-11-09 17:41:02,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:41:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:41:02,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:41:02,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212299274] [2020-11-09 17:41:02,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651938481] [2020-11-09 17:41:02,366 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 17:41:02,453 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-11-09 17:41:02,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 17:41:02,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 63 conjunts are in the unsatisfiable core [2020-11-09 17:41:02,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 17:41:02,461 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-09 17:41:02,487 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2020-11-09 17:41:02,488 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-11-09 17:41:02,502 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2020-11-09 17:41:02,505 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-11-09 17:41:02,518 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2020-11-09 17:41:02,520 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2020-11-09 17:41:02,788 WARN L194 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-11-09 17:41:02,789 INFO L625 ElimStorePlain]: treesize reduction 66, result has 74.4 percent of original size [2020-11-09 17:41:02,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-09 17:41:02,812 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2020-11-09 17:41:02,813 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-11-09 17:41:02,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-09 17:41:02,836 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2020-11-09 17:41:02,837 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-11-09 17:41:02,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-09 17:41:02,849 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2020-11-09 17:41:02,850 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-11-09 17:41:02,989 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-11-09 17:41:02,990 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:41:02,991 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 3 xjuncts. [2020-11-09 17:41:02,992 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:207, output treesize:180 [2020-11-09 17:41:03,177 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-11-09 17:41:03,401 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-11-09 17:41:03,620 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-11-09 17:41:03,626 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:41:03,629 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:41:03,634 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:41:03,639 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:41:03,645 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:41:03,650 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:41:03,656 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:41:03,662 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:41:03,677 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:41:03,685 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:41:03,692 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:41:03,699 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:41:03,707 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:41:03,714 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:41:03,722 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:41:03,729 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:41:03,741 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:41:03,749 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:41:03,759 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:41:03,765 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:41:03,774 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:41:03,781 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:41:03,788 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:41:03,795 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:41:03,804 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:41:03,808 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:41:03,815 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:41:03,819 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:41:03,826 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 17:41:03,830 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-09 17:41:03,849 INFO L443 ElimStorePlain]: Different costs {30=[v_prenex_43], 42=[|v_#memory_int_123|]} [2020-11-09 17:41:03,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-09 17:41:04,002 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:41:04,003 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 52 treesize of output 142 [2020-11-09 17:41:04,011 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-11-09 17:41:04,012 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-09 17:41:04,014 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-11-09 17:41:04,015 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-11-09 17:41:04,020 WARN L340 FreeRefinementEngine]: Global settings require throwing the following exception [2020-11-09 17:41:04,233 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 17:41:04,235 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: variable got div captured at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:426) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$IDerHelper.findBestReplacementSbr(DualJunctionDer.java:305) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$IDerHelper.tryToEliminateSbr(DualJunctionDer.java:319) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminateOne(DualJunctionDer.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryExhaustivelyToEliminate(DualJunctionDer.java:190) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminateOne(DualJunctionDer.java:174) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryExhaustivelyToEliminate(DualJunctionDer.java:141) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminate(DualJunctionDer.java:119) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:740) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:703) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:620) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:336) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:199) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:408) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:199) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:408) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:199) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:408) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:199) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyNonSddEliminations(ElimStorePlain.java:711) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:296) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:604) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:517) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:239) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:106) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:378) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-09 17:41:04,246 INFO L168 Benchmark]: Toolchain (without parser) took 61084.42 ms. Allocated memory was 151.0 MB in the beginning and 314.6 MB in the end (delta: 163.6 MB). Free memory was 124.8 MB in the beginning and 281.2 MB in the end (delta: -156.4 MB). Peak memory consumption was 183.9 MB. Max. memory is 8.0 GB. [2020-11-09 17:41:04,247 INFO L168 Benchmark]: CDTParser took 1.02 ms. Allocated memory is still 151.0 MB. Free memory was 124.0 MB in the beginning and 124.0 MB in the end (delta: 74.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 17:41:04,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.44 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 114.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-11-09 17:41:04,248 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.18 ms. Allocated memory is still 151.0 MB. Free memory was 114.8 MB in the beginning and 113.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-09 17:41:04,250 INFO L168 Benchmark]: Boogie Preprocessor took 50.33 ms. Allocated memory is still 151.0 MB. Free memory was 113.3 MB in the beginning and 111.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-09 17:41:04,250 INFO L168 Benchmark]: RCFGBuilder took 894.44 ms. Allocated memory is still 151.0 MB. Free memory was 111.9 MB in the beginning and 121.5 MB in the end (delta: -9.6 MB). Peak memory consumption was 16.0 MB. Max. memory is 8.0 GB. [2020-11-09 17:41:04,251 INFO L168 Benchmark]: TraceAbstraction took 59795.30 ms. Allocated memory was 151.0 MB in the beginning and 314.6 MB in the end (delta: 163.6 MB). Free memory was 121.5 MB in the beginning and 281.2 MB in the end (delta: -159.7 MB). Peak memory consumption was 179.5 MB. Max. memory is 8.0 GB. [2020-11-09 17:41:04,257 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.02 ms. Allocated memory is still 151.0 MB. Free memory was 124.0 MB in the beginning and 124.0 MB in the end (delta: 74.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 279.44 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 114.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 50.18 ms. Allocated memory is still 151.0 MB. Free memory was 114.8 MB in the beginning and 113.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 50.33 ms. Allocated memory is still 151.0 MB. Free memory was 113.3 MB in the beginning and 111.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 894.44 ms. Allocated memory is still 151.0 MB. Free memory was 111.9 MB in the beginning and 121.5 MB in the end (delta: -9.6 MB). Peak memory consumption was 16.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 59795.30 ms. Allocated memory was 151.0 MB in the beginning and 314.6 MB in the end (delta: 163.6 MB). Free memory was 121.5 MB in the beginning and 281.2 MB in the end (delta: -159.7 MB). Peak memory consumption was 179.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1124 VarBasedMoverChecksPositive, 23 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 82 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 10.5s, 135 PlacesBefore, 31 PlacesAfterwards, 138 TransitionsBefore, 30 TransitionsAfterwards, 1920 CoEnabledTransitionPairs, 7 FixpointIterations, 70 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 11 ConcurrentYvCompositions, 4 ChoiceCompositions, 125 TotalNumberOfCompositions, 4237 MoverChecksTotal - ExceptionOrErrorResult: AssertionError: variable got div captured de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: variable got div captured: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:426) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...