/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_71-funloop_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 12:40:09,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 12:40:09,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 12:40:09,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 12:40:09,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 12:40:09,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 12:40:09,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 12:40:09,502 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-14 12:40:09,527 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 12:40:09,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 12:40:09,528 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 12:40:09,528 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 12:40:09,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 12:40:09,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 12:40:09,530 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 12:40:09,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 12:40:09,530 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 12:40:09,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 12:40:09,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 12:40:09,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 12:40:09,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 12:40:09,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 12:40:09,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 12:40:09,531 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 12:40:09,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 12:40:09,532 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 12:40:09,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 12:40:09,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 12:40:09,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 12:40:09,532 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 12:40:09,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 12:40:09,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 12:40:09,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 12:40:09,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 12:40:09,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 12:40:09,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 12:40:09,533 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 12:40:09,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 12:40:09,533 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 12:40:09,533 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 12:40:09,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 12:40:09,534 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 12:40:09,534 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 12:40:09,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 12:40:09,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 12:40:09,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 12:40:09,826 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 12:40:09,827 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 12:40:09,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_71-funloop_racing.i [2021-07-14 12:40:09,870 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35b68e301/7bdb4b5e54034302a80768da64aae514/FLAG0d6dc2b5f [2021-07-14 12:40:10,438 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 12:40:10,439 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_71-funloop_racing.i [2021-07-14 12:40:10,453 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35b68e301/7bdb4b5e54034302a80768da64aae514/FLAG0d6dc2b5f [2021-07-14 12:40:10,851 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35b68e301/7bdb4b5e54034302a80768da64aae514 [2021-07-14 12:40:10,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 12:40:10,854 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 12:40:10,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 12:40:10,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 12:40:10,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 12:40:10,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:40:10" (1/1) ... [2021-07-14 12:40:10,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b3ff496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:40:10, skipping insertion in model container [2021-07-14 12:40:10,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:40:10" (1/1) ... [2021-07-14 12:40:10,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 12:40:10,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 12:40:11,176 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_71-funloop_racing.i[41060,41073] [2021-07-14 12:40:11,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 12:40:11,217 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 12:40:11,246 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_71-funloop_racing.i[41060,41073] [2021-07-14 12:40:11,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 12:40:11,294 INFO L208 MainTranslator]: Completed translation [2021-07-14 12:40:11,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:40:11 WrapperNode [2021-07-14 12:40:11,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 12:40:11,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 12:40:11,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 12:40:11,296 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 12:40:11,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:40:11" (1/1) ... [2021-07-14 12:40:11,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:40:11" (1/1) ... [2021-07-14 12:40:11,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 12:40:11,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 12:40:11,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 12:40:11,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 12:40:11,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:40:11" (1/1) ... [2021-07-14 12:40:11,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:40:11" (1/1) ... [2021-07-14 12:40:11,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:40:11" (1/1) ... [2021-07-14 12:40:11,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:40:11" (1/1) ... [2021-07-14 12:40:11,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:40:11" (1/1) ... [2021-07-14 12:40:11,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:40:11" (1/1) ... [2021-07-14 12:40:11,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:40:11" (1/1) ... [2021-07-14 12:40:11,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 12:40:11,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 12:40:11,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 12:40:11,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 12:40:11,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:40:11" (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 [2021-07-14 12:40:11,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 12:40:11,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 12:40:11,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-14 12:40:11,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 12:40:11,426 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-14 12:40:11,426 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-07-14 12:40:11,427 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-07-14 12:40:11,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 12:40:11,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 12:40:11,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 12:40:11,428 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 12:40:12,000 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 12:40:12,001 INFO L299 CfgBuilder]: Removed 49 assume(true) statements. [2021-07-14 12:40:12,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:40:12 BoogieIcfgContainer [2021-07-14 12:40:12,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 12:40:12,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 12:40:12,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 12:40:12,005 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 12:40:12,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:40:10" (1/3) ... [2021-07-14 12:40:12,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a2d13a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:40:12, skipping insertion in model container [2021-07-14 12:40:12,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:40:11" (2/3) ... [2021-07-14 12:40:12,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a2d13a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:40:12, skipping insertion in model container [2021-07-14 12:40:12,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:40:12" (3/3) ... [2021-07-14 12:40:12,006 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_71-funloop_racing.i [2021-07-14 12:40:12,010 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 12:40:12,010 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 12:40:12,010 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-07-14 12:40:12,011 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 12:40:12,039 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,039 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,039 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,039 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,039 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,039 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,039 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,040 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,040 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,040 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,040 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,040 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,040 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,040 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,040 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,041 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,041 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,041 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,041 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,041 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,041 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,041 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,041 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,041 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,041 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,042 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,042 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,042 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,042 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,042 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,042 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,042 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,042 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,042 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,042 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,043 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,043 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,043 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,043 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,043 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,043 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,043 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,043 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,043 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,043 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,043 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,044 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,044 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,044 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,044 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,044 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,044 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,044 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,044 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,044 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,044 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,045 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,045 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,045 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,045 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,045 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,045 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,045 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,045 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,046 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,046 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,046 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,046 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,046 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,046 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,046 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,046 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,046 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,047 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,047 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,047 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,047 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,047 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,047 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,047 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,047 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,047 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,048 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,048 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,048 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,048 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,048 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,048 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,048 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,048 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,048 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,049 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,049 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,049 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,049 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,049 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,049 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,049 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,049 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,050 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,050 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,050 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,050 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,050 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,050 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,050 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,050 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,050 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,051 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,051 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,052 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,052 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,052 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,052 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,053 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,053 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,053 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,053 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,053 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,053 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,053 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,053 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,053 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,054 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,054 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,054 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,054 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,054 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,054 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,054 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,054 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,054 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,054 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,055 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,055 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,055 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,055 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,055 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,055 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,055 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,055 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,055 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,056 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,056 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,056 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,056 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,056 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,056 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,056 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,062 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,062 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,064 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,064 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,065 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,065 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,065 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,065 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,065 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,065 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,065 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,065 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,066 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,066 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,067 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:12,078 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-07-14 12:40:12,093 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 12:40:12,145 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 12:40:12,145 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 12:40:12,145 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 12:40:12,145 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 12:40:12,145 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 12:40:12,146 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 12:40:12,146 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 12:40:12,146 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == t_funThread1of1ForFork0======== [2021-07-14 12:40:12,604 INFO L430 AbstractCegarLoop]: === Iteration 1 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:40:12,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:40:12,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1933114667, now seen corresponding path program 1 times [2021-07-14 12:40:12,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:40:12,617 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665230043] [2021-07-14 12:40:12,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:40:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:40:12,836 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2021-07-14 12:40:12,836 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:40:12,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665230043] [2021-07-14 12:40:12,837 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665230043] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:40:12,837 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 12:40:12,837 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 12:40:12,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587045230] [2021-07-14 12:40:12,843 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-14 12:40:12,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:40:12,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-14 12:40:12,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-14 12:40:12,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:12,856 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:40:12,857 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 53.5) internal successors, (107), 2 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:40:12,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:12,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:12,876 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 12:40:12,877 INFO L430 AbstractCegarLoop]: === Iteration 2 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:40:12,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:40:12,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1189220872, now seen corresponding path program 1 times [2021-07-14 12:40:12,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:40:12,877 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388787221] [2021-07-14 12:40:12,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:40:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:40:12,973 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2021-07-14 12:40:12,974 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:40:12,974 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388787221] [2021-07-14 12:40:12,974 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388787221] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:40:12,974 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 12:40:12,974 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 12:40:12,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232672984] [2021-07-14 12:40:12,975 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 12:40:12,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:40:12,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 12:40:12,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 12:40:12,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:12,976 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:40:12,976 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:40:12,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:13,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:13,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:13,020 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 12:40:13,020 INFO L430 AbstractCegarLoop]: === Iteration 3 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:40:13,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:40:13,020 INFO L82 PathProgramCache]: Analyzing trace with hash 208241511, now seen corresponding path program 1 times [2021-07-14 12:40:13,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:40:13,021 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173185602] [2021-07-14 12:40:13,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:40:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:40:13,119 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2021-07-14 12:40:13,119 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:40:13,120 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173185602] [2021-07-14 12:40:13,120 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173185602] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:40:13,120 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769432062] [2021-07-14 12:40:13,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:40:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:40:13,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 2 conjunts are in the unsatisfiable core [2021-07-14 12:40:13,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:40:13,587 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2021-07-14 12:40:13,587 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769432062] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:40:13,587 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 12:40:13,588 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-07-14 12:40:13,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492775911] [2021-07-14 12:40:13,589 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 12:40:13,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:40:13,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 12:40:13,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-14 12:40:13,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:13,591 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:40:13,592 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:40:13,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:13,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:13,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:13,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:13,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:13,999 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:40:14,000 INFO L430 AbstractCegarLoop]: === Iteration 4 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:40:14,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:40:14,000 INFO L82 PathProgramCache]: Analyzing trace with hash -2106254687, now seen corresponding path program 1 times [2021-07-14 12:40:14,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:40:14,001 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649137580] [2021-07-14 12:40:14,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:40:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:40:14,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1299 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1298 trivial. 0 not checked. [2021-07-14 12:40:14,082 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:40:14,082 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649137580] [2021-07-14 12:40:14,082 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649137580] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:40:14,082 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505983359] [2021-07-14 12:40:14,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:40:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:40:14,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 2 conjunts are in the unsatisfiable core [2021-07-14 12:40:14,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:40:14,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 12:40:14,416 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 12:40:14,417 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:40:14,418 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-14 12:40:14,418 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2021-07-14 12:40:14,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1299 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 869 trivial. 0 not checked. [2021-07-14 12:40:14,689 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505983359] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:40:14,689 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 12:40:14,689 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-07-14 12:40:14,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105992040] [2021-07-14 12:40:14,690 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 12:40:14,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:40:14,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 12:40:14,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-14 12:40:14,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:14,691 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:40:14,691 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:40:14,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:14,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:14,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:14,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:14,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:14,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:14,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:14,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:14,994 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:40:14,995 INFO L430 AbstractCegarLoop]: === Iteration 5 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:40:14,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:40:14,995 INFO L82 PathProgramCache]: Analyzing trace with hash 771833985, now seen corresponding path program 2 times [2021-07-14 12:40:14,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:40:14,995 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67860912] [2021-07-14 12:40:14,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:40:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:40:15,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1019 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2021-07-14 12:40:15,063 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:40:15,063 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67860912] [2021-07-14 12:40:15,063 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67860912] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:40:15,063 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598415708] [2021-07-14 12:40:15,064 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:40:15,271 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 12:40:15,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 12:40:15,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 12:40:15,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:40:15,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1019 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2021-07-14 12:40:15,642 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598415708] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:40:15,644 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:40:15,644 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-07-14 12:40:15,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416982350] [2021-07-14 12:40:15,646 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 12:40:15,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:40:15,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 12:40:15,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-14 12:40:15,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:15,646 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:40:15,646 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:40:15,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:15,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:15,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:15,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:15,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:15,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:15,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:15,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:15,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:15,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:40:15,920 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:40:15,921 INFO L430 AbstractCegarLoop]: === Iteration 6 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:40:15,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:40:15,921 INFO L82 PathProgramCache]: Analyzing trace with hash -707382910, now seen corresponding path program 3 times [2021-07-14 12:40:15,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:40:15,922 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129591140] [2021-07-14 12:40:15,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:40:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:40:15,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1025 backedges. 141 proven. 1 refuted. 0 times theorem prover too weak. 883 trivial. 0 not checked. [2021-07-14 12:40:15,984 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:40:15,984 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129591140] [2021-07-14 12:40:15,984 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129591140] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:40:15,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664589201] [2021-07-14 12:40:15,986 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:40:16,124 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-14 12:40:16,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 12:40:16,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 12:40:16,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:40:16,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1025 backedges. 141 proven. 1 refuted. 0 times theorem prover too weak. 883 trivial. 0 not checked. [2021-07-14 12:40:16,475 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664589201] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:40:16,475 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:40:16,476 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-07-14 12:40:16,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890738320] [2021-07-14 12:40:16,476 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 12:40:16,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:40:16,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 12:40:16,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-14 12:40:16,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:16,477 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:40:16,477 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 27.428571428571427) internal successors, (192), 7 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:40:16,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:16,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:16,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:16,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:16,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:40:16,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:16,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:16,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:16,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:16,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:16,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:40:16,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:40:16,739 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-14 12:40:16,740 INFO L430 AbstractCegarLoop]: === Iteration 7 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:40:16,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:40:16,740 INFO L82 PathProgramCache]: Analyzing trace with hash -773193503, now seen corresponding path program 1 times [2021-07-14 12:40:16,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:40:16,741 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664360169] [2021-07-14 12:40:16,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:40:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:40:16,780 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-07-14 12:40:16,780 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:40:16,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664360169] [2021-07-14 12:40:16,780 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664360169] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:40:16,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070449345] [2021-07-14 12:40:16,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:40:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:40:16,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 12:40:16,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:40:16,995 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-07-14 12:40:16,995 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070449345] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:40:16,995 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:40:16,995 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-07-14 12:40:16,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286660075] [2021-07-14 12:40:16,996 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 12:40:16,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:40:16,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 12:40:16,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-07-14 12:40:16,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:16,997 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:40:16,997 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 9 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:40:16,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:16,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:16,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:16,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:16,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:40:16,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:40:16,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:40:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:40:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 12:40:17,261 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:40:17,261 INFO L430 AbstractCegarLoop]: === Iteration 8 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:40:17,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:40:17,261 INFO L82 PathProgramCache]: Analyzing trace with hash -46095838, now seen corresponding path program 2 times [2021-07-14 12:40:17,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:40:17,262 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146292126] [2021-07-14 12:40:17,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:40:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:40:17,311 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-07-14 12:40:17,311 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:40:17,311 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146292126] [2021-07-14 12:40:17,311 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146292126] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:40:17,311 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854819620] [2021-07-14 12:40:17,311 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:40:17,399 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 12:40:17,400 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 12:40:17,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-14 12:40:17,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:40:17,517 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-07-14 12:40:17,517 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854819620] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:40:17,517 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:40:17,517 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-07-14 12:40:17,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043956193] [2021-07-14 12:40:17,518 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 12:40:17,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:40:17,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 12:40:17,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-07-14 12:40:17,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:17,520 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:40:17,520 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 11 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:40:17,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:17,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:17,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:17,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:17,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:40:17,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:40:17,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 12:40:17,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:17,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:17,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:17,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:17,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:17,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:40:17,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:40:17,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 12:40:17,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:40:17,805 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:40:17,805 INFO L430 AbstractCegarLoop]: === Iteration 9 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:40:17,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:40:17,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1563319935, now seen corresponding path program 3 times [2021-07-14 12:40:17,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:40:17,806 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578746283] [2021-07-14 12:40:17,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:40:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:40:17,943 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-07-14 12:40:17,944 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:40:17,944 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578746283] [2021-07-14 12:40:17,944 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578746283] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:40:17,944 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106560956] [2021-07-14 12:40:17,944 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:40:18,159 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-14 12:40:18,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 12:40:18,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-14 12:40:18,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:40:18,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-07-14 12:40:18,195 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 12:40:18,198 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:40:18,199 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 12:40:18,199 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2021-07-14 12:40:18,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-07-14 12:40:18,219 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 12:40:18,224 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:40:18,225 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-14 12:40:18,225 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2021-07-14 12:40:18,313 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-14 12:40:18,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-07-14 12:40:18,316 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 12:40:18,320 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:40:18,321 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 12:40:18,321 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2021-07-14 12:40:18,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-07-14 12:40:18,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-14 12:40:18,370 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 12:40:18,373 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:40:18,373 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 12:40:18,380 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:40:18,382 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-14 12:40:18,382 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2021-07-14 12:40:18,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2021-07-14 12:40:18,553 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 12:40:18,563 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:40:18,564 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 12:40:18,564 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:46, output treesize:38 [2021-07-14 12:40:19,226 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-07-14 12:40:19,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2021-07-14 12:40:19,324 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 12:40:19,334 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:40:19,338 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-07-14 12:40:19,338 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:48, output treesize:35 [2021-07-14 12:40:20,078 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-07-14 12:40:20,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-07-14 12:40:20,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-07-14 12:40:20,143 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 12:40:20,147 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:40:20,147 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 12:40:20,155 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:40:20,158 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-07-14 12:40:20,158 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:40, output treesize:25 [2021-07-14 12:40:20,879 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-07-14 12:40:21,284 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2021-07-14 12:40:21,727 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2021-07-14 12:40:22,159 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2021-07-14 12:40:22,172 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:40:22,557 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2021-07-14 12:40:22,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-07-14 12:40:22,624 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 12:40:22,632 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:40:22,641 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-07-14 12:40:22,642 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:35, output treesize:28 [2021-07-14 12:40:22,783 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-07-14 12:40:22,783 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106560956] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:40:22,783 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:40:22,783 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 21] total 30 [2021-07-14 12:40:22,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006497910] [2021-07-14 12:40:22,784 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-14 12:40:22,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:40:22,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-14 12:40:22,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=775, Unknown=3, NotChecked=0, Total=870 [2021-07-14 12:40:22,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:22,785 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:40:22,785 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 6.066666666666666) internal successors, (182), 30 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:40:22,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:22,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:22,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:22,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:22,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:40:22,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:40:22,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 12:40:22,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:40:22,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:25,718 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-07-14 12:40:31,810 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-07-14 12:40:32,654 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2021-07-14 12:40:33,558 WARN L205 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-07-14 12:40:35,013 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 43 [2021-07-14 12:40:36,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:36,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:36,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:36,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:36,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:40:36,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:40:36,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 12:40:36,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:40:36,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 12:40:37,144 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-07-14 12:40:37,144 INFO L430 AbstractCegarLoop]: === Iteration 10 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:40:37,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:40:37,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1627635410, now seen corresponding path program 4 times [2021-07-14 12:40:37,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:40:37,145 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276982377] [2021-07-14 12:40:37,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:40:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:40:37,251 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-07-14 12:40:37,252 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:40:37,252 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276982377] [2021-07-14 12:40:37,252 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276982377] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:40:37,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880549899] [2021-07-14 12:40:37,253 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:40:37,329 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 12:40:37,330 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 12:40:37,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 12:40:37,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:40:37,485 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-07-14 12:40:37,485 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880549899] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:40:37,485 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:40:37,486 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15 [2021-07-14 12:40:37,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660090433] [2021-07-14 12:40:37,486 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 12:40:37,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:40:37,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 12:40:37,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-07-14 12:40:37,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:37,487 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:40:37,487 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.333333333333333) internal successors, (110), 15 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:40:37,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:37,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:37,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:37,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:37,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:40:37,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:40:37,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 12:40:37,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:40:37,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 12:40:37,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:37,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:37,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:37,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:37,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:37,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:40:37,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:40:37,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 12:40:37,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:40:37,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 12:40:37,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 12:40:37,873 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-14 12:40:37,873 INFO L430 AbstractCegarLoop]: === Iteration 11 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:40:37,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:40:37,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1912236977, now seen corresponding path program 5 times [2021-07-14 12:40:37,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:40:37,874 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274881086] [2021-07-14 12:40:37,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:40:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:40:38,037 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-07-14 12:40:38,037 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:40:38,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274881086] [2021-07-14 12:40:38,037 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274881086] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:40:38,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204214225] [2021-07-14 12:40:38,038 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:40:38,210 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-14 12:40:38,210 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 12:40:38,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-14 12:40:38,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:40:38,394 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-07-14 12:40:38,395 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204214225] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:40:38,395 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:40:38,395 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 17 [2021-07-14 12:40:38,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409227104] [2021-07-14 12:40:38,395 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 12:40:38,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:40:38,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 12:40:38,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-07-14 12:40:38,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:38,396 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:40:38,396 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 6.764705882352941) internal successors, (115), 17 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:40:38,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:38,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:38,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:38,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:38,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:40:38,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:40:38,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 12:40:38,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:40:38,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 12:40:38,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 12:40:38,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:40:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:40:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 12:40:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:40:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 12:40:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 12:40:38,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 12:40:38,752 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-14 12:40:38,753 INFO L430 AbstractCegarLoop]: === Iteration 12 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:40:38,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:40:38,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1999113678, now seen corresponding path program 6 times [2021-07-14 12:40:38,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:40:38,753 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321905888] [2021-07-14 12:40:38,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:40:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:40:38,893 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-07-14 12:40:38,893 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:40:38,893 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321905888] [2021-07-14 12:40:38,894 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321905888] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:40:38,894 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444073746] [2021-07-14 12:40:38,894 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:40:39,001 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-14 12:40:39,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 12:40:39,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-14 12:40:39,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:40:39,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-07-14 12:40:39,025 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 12:40:39,026 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:40:39,026 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 12:40:39,026 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-07-14 12:40:39,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-07-14 12:40:39,039 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 12:40:39,042 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:40:39,042 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-14 12:40:39,042 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-07-14 12:40:39,106 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-14 12:40:39,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-07-14 12:40:39,107 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 12:40:39,110 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:40:39,110 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 12:40:39,110 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2021-07-14 12:40:39,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-07-14 12:40:39,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-14 12:40:39,142 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 12:40:39,145 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:40:39,145 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 12:40:39,153 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:40:39,154 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-14 12:40:39,154 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:26, output treesize:11 [2021-07-14 12:40:39,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2021-07-14 12:40:39,262 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 12:40:39,266 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:40:39,269 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-14 12:40:39,270 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:22 [2021-07-14 12:40:39,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2021-07-14 12:40:39,362 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 12:40:39,365 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:40:39,369 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 12:40:39,369 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:36, output treesize:17 [2021-07-14 12:40:39,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-07-14 12:40:39,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-14 12:40:39,399 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 12:40:39,402 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:40:39,403 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 12:40:39,407 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:40:39,408 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-14 12:40:39,408 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:26, output treesize:6 [2021-07-14 12:40:39,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2021-07-14 12:40:39,495 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 12:40:39,499 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:40:39,500 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 12:40:39,500 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:22 [2021-07-14 12:40:40,114 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2021-07-14 12:40:40,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2021-07-14 12:40:40,155 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 12:40:40,159 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:40:40,161 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-07-14 12:40:40,161 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:32, output treesize:19 [2021-07-14 12:40:40,525 WARN L860 $PredicateComparison]: unable to prove that (exists ((|t_funThread1of1ForFork0_cache_entry_addref_#t~post40| Int) (t_funThread1of1ForFork0_cache_entry_addref_~entry.offset Int)) (and (<= t_funThread1of1ForFork0_cache_entry_addref_~entry.offset (+ |c_~#cache~0.offset| (* 28 c_t_funThread1of1ForFork0_~i~0))) (= (select |c_#memory_int| |c_~#cache~0.base|) (store ((as const (Array Int Int)) 0) t_funThread1of1ForFork0_cache_entry_addref_~entry.offset (+ |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| (- 1)))))) is different from true [2021-07-14 12:40:41,215 WARN L860 $PredicateComparison]: unable to prove that (exists ((|t_funThread1of1ForFork0_cache_entry_addref_#t~post40| Int) (aux_mod_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset_102 Int) (aux_div_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset_102 Int)) (and (<= aux_div_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset_102 |c_t_funThread1of1ForFork0_#t~post43|) (< aux_mod_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset_102 28) (<= 0 aux_mod_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset_102) (= (select |c_#memory_int| |c_~#cache~0.base|) (store ((as const (Array Int Int)) 0) (+ (* aux_mod_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset_102 (- 1)) (* aux_div_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset_102 28) |c_~#cache~0.offset|) (+ |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| (- 1)))))) is different from true [2021-07-14 12:40:41,854 WARN L860 $PredicateComparison]: unable to prove that (exists ((|t_funThread1of1ForFork0_cache_entry_addref_#t~post40| Int) (aux_mod_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset_102 Int) (aux_div_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset_102 Int)) (and (< aux_mod_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset_102 28) (<= 0 aux_mod_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset_102) (= (select |c_#memory_int| |c_~#cache~0.base|) (store ((as const (Array Int Int)) 0) (+ (* aux_mod_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset_102 (- 1)) (* aux_div_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset_102 28) |c_~#cache~0.offset|) (+ |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| (- 1)))) (<= (+ aux_div_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset_102 1) c_t_funThread1of1ForFork0_~i~0))) is different from true [2021-07-14 12:40:42,351 WARN L860 $PredicateComparison]: unable to prove that (exists ((|t_funThread1of1ForFork0_cache_entry_addref_#t~post40| Int) (aux_mod_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset_102 Int) (|aux_div_~#cache~0.offset_103| Int) (aux_div_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset_102 Int) (|aux_mod_~#cache~0.offset_103| Int)) (and (< aux_mod_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset_102 28) (< |aux_mod_~#cache~0.offset_103| 28) (<= 0 |aux_mod_~#cache~0.offset_103|) (<= 0 aux_mod_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset_102) (= (store ((as const (Array Int Int)) 0) (+ (* aux_mod_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset_102 (- 1)) (* |aux_div_~#cache~0.offset_103| (- 28)) (* aux_div_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset_102 28) |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry.offset| (* |aux_mod_~#cache~0.offset_103| (- 1))) (+ |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| (- 1))) (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry.base|)) (<= (+ aux_div_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset_102 1) |aux_div_~#cache~0.offset_103|))) is different from true [2021-07-14 12:40:42,994 WARN L860 $PredicateComparison]: unable to prove that (exists ((|t_funThread1of1ForFork0_cache_entry_addref_#t~post40| Int) (aux_mod_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset_102 Int) (|aux_div_~#cache~0.offset_103| Int) (aux_div_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset_102 Int) (|t_funThread1of1ForFork0_cache_entry_addref_#in~entry.offset| Int) (|aux_mod_~#cache~0.offset_103| Int)) (and (= (select |c_#memory_int| c_t_funThread1of1ForFork0_cache_entry_addref_~entry.base) (store ((as const (Array Int Int)) 0) (+ (* aux_mod_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset_102 (- 1)) (* |aux_div_~#cache~0.offset_103| (- 28)) (* aux_div_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset_102 28) |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.offset| (* |aux_mod_~#cache~0.offset_103| (- 1))) (+ |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| (- 1)))) (< aux_mod_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset_102 28) (<= |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.offset| c_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset) (< |aux_mod_~#cache~0.offset_103| 28) (<= 0 |aux_mod_~#cache~0.offset_103|) (<= 0 aux_mod_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset_102) (<= (+ aux_div_t_funThread1of1ForFork0_cache_entry_addref_~entry.offset_102 1) |aux_div_~#cache~0.offset_103|))) is different from true [2021-07-14 12:40:43,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2021-07-14 12:40:43,179 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 12:40:43,189 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:40:43,198 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2021-07-14 12:40:43,198 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 9 variables, input treesize:52, output treesize:45 [2021-07-14 12:40:43,345 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 113 trivial. 26 not checked. [2021-07-14 12:40:43,345 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444073746] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:40:43,346 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:40:43,346 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 24] total 39 [2021-07-14 12:40:43,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729920020] [2021-07-14 12:40:43,346 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-14 12:40:43,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:40:43,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-14 12:40:43,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=995, Unknown=6, NotChecked=340, Total=1482 [2021-07-14 12:40:43,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:43,347 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:40:43,348 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 5.923076923076923) internal successors, (231), 39 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:40:43,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:43,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:43,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:43,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:40:43,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:40:43,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:40:43,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 12:40:43,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:40:43,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 12:40:43,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 12:40:43,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 12:40:43,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:40:44,442 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2021-07-14 12:40:44,785 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-07-14 12:40:45,126 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-07-14 12:40:58,695 WARN L205 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-07-14 12:41:16,335 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-07-14 12:41:16,710 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-07-14 12:41:17,065 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-07-14 12:41:36,415 WARN L205 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-07-14 12:41:50,547 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 55 [2021-07-14 12:41:52,501 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 57 [2021-07-14 12:41:54,370 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 59 [2021-07-14 12:41:56,023 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 47 [2021-07-14 12:41:57,551 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 49 [2021-07-14 12:41:58,420 WARN L205 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-07-14 12:42:05,628 WARN L205 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2021-07-14 12:42:07,625 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2021-07-14 12:42:09,960 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2021-07-14 12:42:12,418 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-07-14 12:42:14,442 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2021-07-14 12:42:16,551 WARN L205 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2021-07-14 12:42:18,610 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2021-07-14 12:42:21,149 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2021-07-14 12:42:23,721 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2021-07-14 12:42:25,724 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2021-07-14 12:42:26,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 12:42:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:42:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 12:42:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 12:42:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 12:42:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 12:42:26,281 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:26,289 INFO L301 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE (1/2) [2021-07-14 12:42:26,290 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 12:42:26,294 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 12:42:26,294 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 12:42:26,294 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 12:42:26,294 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 12:42:26,294 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 12:42:26,294 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 12:42:26,294 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 12:42:26,294 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 12:42:26,298 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:26,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:26,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1371058688, now seen corresponding path program 1 times [2021-07-14 12:42:26,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:26,299 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646541364] [2021-07-14 12:42:26,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:26,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:42:26,306 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:26,306 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646541364] [2021-07-14 12:42:26,306 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646541364] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:42:26,306 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 12:42:26,306 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 12:42:26,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215883435] [2021-07-14 12:42:26,306 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-14 12:42:26,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:26,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-14 12:42:26,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-14 12:42:26,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:26,307 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:26,307 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:26,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:26,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:26,308 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-07-14 12:42:26,308 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:26,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:26,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1550360349, now seen corresponding path program 1 times [2021-07-14 12:42:26,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:26,309 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789289223] [2021-07-14 12:42:26,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:26,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:26,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:42:26,319 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:26,319 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789289223] [2021-07-14 12:42:26,319 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789289223] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:42:26,319 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 12:42:26,319 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 12:42:26,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011850894] [2021-07-14 12:42:26,319 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 12:42:26,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:26,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 12:42:26,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 12:42:26,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:26,320 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:26,320 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:26,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:26,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:26,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:26,327 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-07-14 12:42:26,327 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:26,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:26,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1318270532, now seen corresponding path program 1 times [2021-07-14 12:42:26,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:26,327 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31806382] [2021-07-14 12:42:26,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:26,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:42:26,344 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:26,344 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31806382] [2021-07-14 12:42:26,344 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31806382] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:26,345 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [149857020] [2021-07-14 12:42:26,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:26,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:26,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2021-07-14 12:42:26,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:42:26,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 12:42:26,447 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [149857020] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:42:26,447 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 12:42:26,447 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-07-14 12:42:26,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230152185] [2021-07-14 12:42:26,447 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 12:42:26,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:26,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 12:42:26,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-14 12:42:26,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:26,448 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:26,448 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:26,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:26,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:26,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:26,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:26,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:26,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:26,872 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-07-14 12:42:26,873 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:26,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:26,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1325819539, now seen corresponding path program 1 times [2021-07-14 12:42:26,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:26,873 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883875288] [2021-07-14 12:42:26,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:26,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 12:42:26,900 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:26,900 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883875288] [2021-07-14 12:42:26,900 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883875288] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:26,900 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885015878] [2021-07-14 12:42:26,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:26,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2021-07-14 12:42:26,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:42:27,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 12:42:27,020 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885015878] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:42:27,020 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 12:42:27,020 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-07-14 12:42:27,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972004061] [2021-07-14 12:42:27,021 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 12:42:27,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:27,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 12:42:27,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-14 12:42:27,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:27,022 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:27,022 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:27,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:27,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:27,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:27,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:27,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:27,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:27,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:27,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:27,264 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:27,265 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:27,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:27,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1076302663, now seen corresponding path program 1 times [2021-07-14 12:42:27,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:27,265 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701149494] [2021-07-14 12:42:27,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:27,290 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 12:42:27,291 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:27,291 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701149494] [2021-07-14 12:42:27,291 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701149494] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:27,291 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226681542] [2021-07-14 12:42:27,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:27,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 2 conjunts are in the unsatisfiable core [2021-07-14 12:42:27,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:42:27,442 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 12:42:27,443 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226681542] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:42:27,443 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 12:42:27,443 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-07-14 12:42:27,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176670733] [2021-07-14 12:42:27,443 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 12:42:27,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:27,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 12:42:27,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-14 12:42:27,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:27,444 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:27,444 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:27,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:27,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:27,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:27,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:27,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:27,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:27,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:27,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:27,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:27,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:27,736 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-07-14 12:42:27,737 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:27,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:27,737 INFO L82 PathProgramCache]: Analyzing trace with hash 140359679, now seen corresponding path program 1 times [2021-07-14 12:42:27,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:27,737 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565866359] [2021-07-14 12:42:27,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:27,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:27,771 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 12:42:27,771 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:27,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565866359] [2021-07-14 12:42:27,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565866359] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:27,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981057482] [2021-07-14 12:42:27,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:27,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 12:42:27,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:42:27,975 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 12:42:27,976 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981057482] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:27,976 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:42:27,976 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-07-14 12:42:27,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808129568] [2021-07-14 12:42:27,976 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 12:42:27,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:27,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 12:42:27,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-14 12:42:27,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:27,977 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:27,977 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:27,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:27,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:27,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:27,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:27,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:27,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:28,258 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:28,258 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:28,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:28,258 INFO L82 PathProgramCache]: Analyzing trace with hash -487513664, now seen corresponding path program 2 times [2021-07-14 12:42:28,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:28,259 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695345937] [2021-07-14 12:42:28,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:28,281 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 12:42:28,281 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:28,281 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695345937] [2021-07-14 12:42:28,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695345937] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:28,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002357875] [2021-07-14 12:42:28,282 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:28,361 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 12:42:28,362 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 12:42:28,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 12:42:28,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:42:28,468 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 12:42:28,469 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002357875] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:28,469 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:42:28,469 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 10 [2021-07-14 12:42:28,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163387278] [2021-07-14 12:42:28,469 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 12:42:28,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:28,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 12:42:28,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-07-14 12:42:28,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:28,470 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:28,470 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 12.3) internal successors, (123), 10 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:28,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:28,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:28,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:28,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:28,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:28,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:28,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:28,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:28,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:28,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:28,754 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-07-14 12:42:28,755 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:28,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:28,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1979044092, now seen corresponding path program 1 times [2021-07-14 12:42:28,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:28,755 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478001886] [2021-07-14 12:42:28,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:28,808 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 12:42:28,808 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:28,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478001886] [2021-07-14 12:42:28,808 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478001886] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:28,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689994738] [2021-07-14 12:42:28,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:28,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-14 12:42:28,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:42:28,931 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 12:42:28,931 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689994738] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:28,931 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:42:28,931 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-07-14 12:42:28,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279056856] [2021-07-14 12:42:28,932 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 12:42:28,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:28,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 12:42:28,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-07-14 12:42:28,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:28,933 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:28,933 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:28,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:28,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:28,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:28,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:28,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:28,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:28,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:28,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:29,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:29,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:29,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:29,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:29,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:29,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:29,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:29,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:42:29,238 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-07-14 12:42:29,238 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:29,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:29,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1664792133, now seen corresponding path program 2 times [2021-07-14 12:42:29,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:29,238 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605408578] [2021-07-14 12:42:29,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:29,303 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 12:42:29,303 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:29,303 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605408578] [2021-07-14 12:42:29,303 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605408578] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:29,304 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365050678] [2021-07-14 12:42:29,304 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:29,362 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 12:42:29,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 12:42:29,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 12:42:29,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:42:29,432 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 12:42:29,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365050678] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:29,432 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:42:29,432 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-07-14 12:42:29,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607649996] [2021-07-14 12:42:29,432 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 12:42:29,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:29,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 12:42:29,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-07-14 12:42:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:29,433 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:29,433 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 4.538461538461538) internal successors, (59), 13 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:29,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:29,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:29,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:29,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:29,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:29,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:29,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:29,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:42:29,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:29,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:29,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:29,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:29,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:29,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:29,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:29,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:29,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:42:29,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 12:42:29,732 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-07-14 12:42:29,733 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:29,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:29,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1791914076, now seen corresponding path program 3 times [2021-07-14 12:42:29,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:29,733 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981651510] [2021-07-14 12:42:29,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:29,797 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 12:42:29,797 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:29,797 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981651510] [2021-07-14 12:42:29,797 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981651510] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:29,797 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16279699] [2021-07-14 12:42:29,797 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:29,858 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-14 12:42:29,858 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 12:42:29,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 12:42:29,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:42:29,939 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 12:42:29,940 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16279699] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:29,940 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:42:29,940 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15 [2021-07-14 12:42:29,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677826196] [2021-07-14 12:42:29,940 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 12:42:29,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:29,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 12:42:29,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-07-14 12:42:29,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:29,941 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:29,941 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 4.266666666666667) internal successors, (64), 15 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:29,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:29,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:29,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:29,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:29,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:29,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:29,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:29,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:42:29,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 12:42:29,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:30,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:30,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:30,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:30,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:30,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:30,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:30,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:30,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:42:30,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 12:42:30,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 12:42:30,251 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-07-14 12:42:30,251 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:30,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:30,252 INFO L82 PathProgramCache]: Analyzing trace with hash 448182693, now seen corresponding path program 4 times [2021-07-14 12:42:30,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:30,252 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769219448] [2021-07-14 12:42:30,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:30,339 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 12:42:30,339 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:30,339 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769219448] [2021-07-14 12:42:30,339 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769219448] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:30,339 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965620523] [2021-07-14 12:42:30,339 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:30,391 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 12:42:30,391 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 12:42:30,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-14 12:42:30,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:42:30,512 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 12:42:30,512 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965620523] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:30,512 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:42:30,512 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 17 [2021-07-14 12:42:30,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236794223] [2021-07-14 12:42:30,512 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 12:42:30,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:30,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 12:42:30,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-07-14 12:42:30,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:30,513 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:30,513 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.0588235294117645) internal successors, (69), 17 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:30,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:30,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:30,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:30,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:30,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:30,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:30,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:30,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:42:30,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 12:42:30,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 12:42:30,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:30,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:30,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:30,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:30,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:30,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:30,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:30,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:30,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:42:30,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 12:42:30,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 12:42:30,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 12:42:30,847 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-07-14 12:42:30,848 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:30,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:30,848 INFO L82 PathProgramCache]: Analyzing trace with hash -309286844, now seen corresponding path program 5 times [2021-07-14 12:42:30,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:30,848 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678450087] [2021-07-14 12:42:30,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:30,946 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 12:42:30,946 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:30,946 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678450087] [2021-07-14 12:42:30,946 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678450087] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:30,946 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127090370] [2021-07-14 12:42:30,946 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:31,012 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-14 12:42:31,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 12:42:31,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 12:42:31,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:42:31,101 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 12:42:31,101 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127090370] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:31,101 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:42:31,101 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 19 [2021-07-14 12:42:31,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589039013] [2021-07-14 12:42:31,102 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 12:42:31,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:31,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 12:42:31,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-07-14 12:42:31,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:31,102 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:31,103 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:31,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:31,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:31,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:31,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:31,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:31,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:31,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:31,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:42:31,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 12:42:31,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 12:42:31,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 12:42:31,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:31,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:31,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:31,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:31,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:31,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:31,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:31,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:31,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:42:31,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 12:42:31,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 12:42:31,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 12:42:31,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 12:42:31,493 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:31,493 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:31,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:31,494 INFO L82 PathProgramCache]: Analyzing trace with hash 722339077, now seen corresponding path program 6 times [2021-07-14 12:42:31,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:31,494 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344030956] [2021-07-14 12:42:31,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:31,634 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 12:42:31,634 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:31,635 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344030956] [2021-07-14 12:42:31,635 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344030956] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:31,635 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797173831] [2021-07-14 12:42:31,635 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:31,742 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-07-14 12:42:31,742 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 12:42:31,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 12:42:31,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:42:31,835 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 12:42:31,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797173831] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:31,836 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:42:31,836 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 21 [2021-07-14 12:42:31,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918651967] [2021-07-14 12:42:31,836 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-14 12:42:31,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:31,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-14 12:42:31,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2021-07-14 12:42:31,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:31,837 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:31,837 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 3.761904761904762) internal successors, (79), 21 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:31,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:31,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:31,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:31,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:31,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:31,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:31,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:31,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:42:31,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 12:42:31,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 12:42:31,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 12:42:31,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 12:42:31,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:32,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:32,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:32,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:32,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:32,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:32,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:32,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:32,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:42:32,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 12:42:32,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 12:42:32,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 12:42:32,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 12:42:32,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 12:42:32,244 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2021-07-14 12:42:32,245 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:32,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:32,245 INFO L82 PathProgramCache]: Analyzing trace with hash 450984164, now seen corresponding path program 7 times [2021-07-14 12:42:32,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:32,245 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994370657] [2021-07-14 12:42:32,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:32,389 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 12:42:32,390 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:32,390 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994370657] [2021-07-14 12:42:32,390 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994370657] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:32,390 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607604432] [2021-07-14 12:42:32,390 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:32,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 12:42:32,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:42:32,558 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 12:42:32,558 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607604432] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:32,558 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:42:32,558 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 23 [2021-07-14 12:42:32,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233411223] [2021-07-14 12:42:32,559 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-14 12:42:32,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:32,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-14 12:42:32,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-07-14 12:42:32,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:32,559 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:32,559 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.652173913043478) internal successors, (84), 23 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:32,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:32,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:32,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:32,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:32,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:32,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:32,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:32,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:42:32,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 12:42:32,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 12:42:32,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 12:42:32,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 12:42:32,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 12:42:32,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:32,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:32,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:32,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:32,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:32,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:32,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:32,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:32,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:42:32,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 12:42:32,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 12:42:32,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 12:42:32,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 12:42:32,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 12:42:32,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 12:42:33,033 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:33,034 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:33,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:33,034 INFO L82 PathProgramCache]: Analyzing trace with hash -792291227, now seen corresponding path program 8 times [2021-07-14 12:42:33,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:33,034 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170629836] [2021-07-14 12:42:33,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 12:42:33,043 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 12:42:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 12:42:33,055 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 12:42:33,088 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-14 12:42:33,088 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-14 12:42:33,089 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-07-14 12:42:33,094 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2) [2021-07-14 12:42:33,094 WARN L243 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-07-14 12:42:33,094 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-07-14 12:42:33,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,110 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,110 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,110 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,111 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,111 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,111 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,111 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,111 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,111 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,111 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,111 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,111 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,111 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,111 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,111 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,111 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,111 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,111 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,111 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,111 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,111 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,112 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,112 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,112 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,112 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,113 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,113 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,113 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,113 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,113 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,113 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,113 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,113 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,113 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,113 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,113 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,113 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,113 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,113 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,113 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,113 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,113 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,113 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,113 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,113 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,114 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,114 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,114 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,114 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,114 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,114 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,114 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,114 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,114 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,114 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,114 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,114 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,114 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,114 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,114 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,114 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,114 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,114 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,114 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,115 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,115 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,115 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,115 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,115 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,115 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,115 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,115 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,116 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,116 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,116 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,116 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,116 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,116 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,116 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,116 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,116 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,116 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,116 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,116 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,116 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,116 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,116 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,116 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,116 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,116 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,117 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,117 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,117 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,117 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,117 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,117 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,117 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,117 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,117 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,117 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,117 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,117 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,117 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,117 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,118 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,118 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,118 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,118 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,118 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,118 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,118 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,119 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,119 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,119 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,119 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,119 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,119 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,119 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,119 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,119 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,119 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,119 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,119 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,119 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,119 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,119 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,119 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,119 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,119 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,119 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,119 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,119 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,120 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,120 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,120 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,120 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,120 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,120 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,120 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,120 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,120 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,120 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,123 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,123 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,123 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,123 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,124 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,124 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,124 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,124 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,124 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,124 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,124 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,124 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,124 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,124 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,124 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,124 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,124 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,124 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,124 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,124 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,124 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,124 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,124 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,124 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,124 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,125 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,125 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,125 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,125 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,125 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,125 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,125 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,125 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,125 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,125 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,125 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,125 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,125 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,125 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,125 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,125 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,125 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,125 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,125 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,125 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,125 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,126 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,126 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,126 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,126 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,126 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,126 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,126 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,126 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,126 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,126 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,126 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,126 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,126 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,126 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,126 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,126 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,126 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,126 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,126 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,126 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,126 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,126 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,127 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,127 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,127 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,127 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,127 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,127 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,127 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,127 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,127 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,127 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,127 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,127 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,127 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,127 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,127 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,127 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,127 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,127 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,127 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,127 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,127 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,128 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,128 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,128 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,128 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,128 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,128 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,128 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,128 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,128 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,128 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,128 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,128 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,128 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,128 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,128 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,128 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,128 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,128 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,128 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,128 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,129 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,129 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,129 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,129 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,129 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,129 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,129 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,129 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,129 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,129 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,129 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,129 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,129 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,129 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,129 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,129 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,129 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,129 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,129 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,129 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,129 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,130 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,130 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,130 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,130 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,130 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,130 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,130 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,130 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,130 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,130 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,130 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,130 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,130 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,130 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,130 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,130 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,130 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,130 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,130 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,130 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,130 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,130 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,131 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,131 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,131 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,131 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,131 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,131 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,131 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,131 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,131 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,131 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,131 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,131 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,131 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,132 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,132 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,132 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,132 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,132 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,132 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,132 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,132 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,132 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,133 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,133 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,133 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,133 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,133 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,133 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,133 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,133 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,133 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,133 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,133 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,133 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,134 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,134 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,134 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,134 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,134 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,134 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,134 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,135 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,135 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,135 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,135 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,135 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,135 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,135 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,135 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,135 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,135 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,135 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,135 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,135 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,135 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,135 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:33,137 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 12:42:33,138 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 12:42:33,143 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 12:42:33,143 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 12:42:33,143 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 12:42:33,143 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 12:42:33,143 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 12:42:33,143 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 12:42:33,143 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 12:42:33,143 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == t_funThread1of2ForFork0======== [2021-07-14 12:42:33,488 INFO L430 AbstractCegarLoop]: === Iteration 1 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:33,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:33,488 INFO L82 PathProgramCache]: Analyzing trace with hash -1484527064, now seen corresponding path program 1 times [2021-07-14 12:42:33,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:33,489 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674074080] [2021-07-14 12:42:33,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:33,529 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2021-07-14 12:42:33,530 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:33,530 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674074080] [2021-07-14 12:42:33,530 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674074080] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:42:33,530 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 12:42:33,530 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 12:42:33,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453224329] [2021-07-14 12:42:33,530 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-14 12:42:33,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:33,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-14 12:42:33,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-14 12:42:33,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:33,531 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:33,531 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 53.5) internal successors, (107), 2 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:33,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:33,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:33,548 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-07-14 12:42:33,548 INFO L430 AbstractCegarLoop]: === Iteration 2 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:33,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:33,548 INFO L82 PathProgramCache]: Analyzing trace with hash 2066546437, now seen corresponding path program 1 times [2021-07-14 12:42:33,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:33,549 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772195936] [2021-07-14 12:42:33,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:33,568 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2021-07-14 12:42:33,568 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:33,568 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772195936] [2021-07-14 12:42:33,568 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772195936] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:42:33,569 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 12:42:33,569 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 12:42:33,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088429980] [2021-07-14 12:42:33,569 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 12:42:33,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:33,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 12:42:33,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 12:42:33,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:33,569 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:33,570 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:33,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:33,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:33,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:33,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:33,589 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-07-14 12:42:33,589 INFO L430 AbstractCegarLoop]: === Iteration 3 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:33,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:33,589 INFO L82 PathProgramCache]: Analyzing trace with hash 793009685, now seen corresponding path program 1 times [2021-07-14 12:42:33,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:33,589 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810644946] [2021-07-14 12:42:33,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:33,616 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2021-07-14 12:42:33,616 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:33,616 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810644946] [2021-07-14 12:42:33,616 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810644946] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:33,616 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079099997] [2021-07-14 12:42:33,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:33,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 2 conjunts are in the unsatisfiable core [2021-07-14 12:42:33,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:42:33,953 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2021-07-14 12:42:33,954 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079099997] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:42:33,954 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 12:42:33,954 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-07-14 12:42:33,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419146692] [2021-07-14 12:42:33,954 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 12:42:33,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:33,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 12:42:33,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-14 12:42:33,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:33,955 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:33,955 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:33,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:33,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:33,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:34,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:34,312 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2021-07-14 12:42:34,313 INFO L430 AbstractCegarLoop]: === Iteration 4 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:34,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:34,313 INFO L82 PathProgramCache]: Analyzing trace with hash 455791, now seen corresponding path program 1 times [2021-07-14 12:42:34,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:34,313 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152964257] [2021-07-14 12:42:34,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:34,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1299 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1298 trivial. 0 not checked. [2021-07-14 12:42:34,353 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:34,353 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152964257] [2021-07-14 12:42:34,353 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152964257] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:34,353 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589856348] [2021-07-14 12:42:34,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:34,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 2 conjunts are in the unsatisfiable core [2021-07-14 12:42:34,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:42:34,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 12:42:34,607 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 12:42:34,608 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:42:34,609 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-14 12:42:34,609 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2021-07-14 12:42:34,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1299 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 869 trivial. 0 not checked. [2021-07-14 12:42:34,847 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589856348] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:42:34,847 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 12:42:34,848 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-07-14 12:42:34,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217185897] [2021-07-14 12:42:34,848 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 12:42:34,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:34,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 12:42:34,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-14 12:42:34,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:34,848 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:34,849 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:34,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:34,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:34,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:34,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:34,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:34,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:34,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:34,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:35,176 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-07-14 12:42:35,177 INFO L430 AbstractCegarLoop]: === Iteration 5 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:35,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:35,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1588698543, now seen corresponding path program 2 times [2021-07-14 12:42:35,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:35,177 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719043873] [2021-07-14 12:42:35,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:35,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1019 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2021-07-14 12:42:35,218 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:35,218 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719043873] [2021-07-14 12:42:35,218 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719043873] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:35,218 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737399548] [2021-07-14 12:42:35,218 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:35,369 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 12:42:35,369 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 12:42:35,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 12:42:35,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:42:35,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1019 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2021-07-14 12:42:35,678 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737399548] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:35,679 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:42:35,679 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-07-14 12:42:35,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560036409] [2021-07-14 12:42:35,679 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 12:42:35,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:35,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 12:42:35,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-14 12:42:35,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:35,680 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:35,680 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:35,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:35,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:35,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:35,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:35,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:35,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:35,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:35,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:35,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:35,941 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-07-14 12:42:35,941 INFO L430 AbstractCegarLoop]: === Iteration 6 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:35,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:35,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1559611233, now seen corresponding path program 3 times [2021-07-14 12:42:35,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:35,941 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290313151] [2021-07-14 12:42:35,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:35,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1025 backedges. 141 proven. 1 refuted. 0 times theorem prover too weak. 883 trivial. 0 not checked. [2021-07-14 12:42:35,992 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:35,992 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290313151] [2021-07-14 12:42:35,992 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290313151] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:35,992 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291940732] [2021-07-14 12:42:35,992 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:36,130 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-14 12:42:36,130 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 12:42:36,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 12:42:36,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:42:36,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1025 backedges. 141 proven. 1 refuted. 0 times theorem prover too weak. 883 trivial. 0 not checked. [2021-07-14 12:42:36,457 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291940732] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:36,457 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:42:36,457 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-07-14 12:42:36,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353637446] [2021-07-14 12:42:36,458 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 12:42:36,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:36,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 12:42:36,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-14 12:42:36,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:36,458 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:36,458 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 27.428571428571427) internal successors, (192), 7 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:36,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:36,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:36,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:36,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:36,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:36,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:36,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:36,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:36,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:36,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:36,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:36,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:36,780 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-07-14 12:42:36,781 INFO L430 AbstractCegarLoop]: === Iteration 7 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:36,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:36,781 INFO L82 PathProgramCache]: Analyzing trace with hash 821870572, now seen corresponding path program 1 times [2021-07-14 12:42:36,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:36,781 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816414764] [2021-07-14 12:42:36,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:36,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1316 backedges. 379 proven. 0 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2021-07-14 12:42:36,843 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:36,843 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816414764] [2021-07-14 12:42:36,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816414764] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:42:36,844 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 12:42:36,844 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 12:42:36,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498931491] [2021-07-14 12:42:36,844 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 12:42:36,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:36,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 12:42:36,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 12:42:36,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:36,845 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:36,845 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:36,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:36,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:36,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:36,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:36,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:36,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:36,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:37,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:37,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:37,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:37,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:37,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:37,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:37,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:37,029 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-07-14 12:42:37,029 INFO L430 AbstractCegarLoop]: === Iteration 8 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:37,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:37,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1480008402, now seen corresponding path program 1 times [2021-07-14 12:42:37,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:37,029 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955535185] [2021-07-14 12:42:37,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:37,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 688 proven. 19 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2021-07-14 12:42:37,095 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:37,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955535185] [2021-07-14 12:42:37,095 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955535185] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:37,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089394149] [2021-07-14 12:42:37,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:37,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 12:42:37,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:42:37,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1030 trivial. 0 not checked. [2021-07-14 12:42:37,676 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089394149] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:37,676 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:42:37,677 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 10 [2021-07-14 12:42:37,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035920213] [2021-07-14 12:42:37,677 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 12:42:37,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:37,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 12:42:37,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-07-14 12:42:37,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:37,678 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:37,678 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 36.8) internal successors, (368), 10 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:37,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:37,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:37,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:37,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:37,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:37,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:37,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:37,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:37,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:37,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:37,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:37,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:37,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:37,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:37,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:37,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:38,156 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:38,157 INFO L430 AbstractCegarLoop]: === Iteration 9 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:38,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:38,157 INFO L82 PathProgramCache]: Analyzing trace with hash -191878812, now seen corresponding path program 1 times [2021-07-14 12:42:38,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:38,157 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932624939] [2021-07-14 12:42:38,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:38,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 743 proven. 31 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2021-07-14 12:42:38,235 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:38,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932624939] [2021-07-14 12:42:38,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932624939] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:38,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836799231] [2021-07-14 12:42:38,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:38,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-14 12:42:38,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:42:38,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1065 trivial. 0 not checked. [2021-07-14 12:42:38,831 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836799231] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:38,831 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:42:38,831 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9] total 12 [2021-07-14 12:42:38,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351686778] [2021-07-14 12:42:38,832 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 12:42:38,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:38,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 12:42:38,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-07-14 12:42:38,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:38,832 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:38,832 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 31.666666666666668) internal successors, (380), 12 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:38,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:38,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:38,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:38,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:38,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:38,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:38,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:38,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:38,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:39,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:39,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:39,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:39,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:39,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:39,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:39,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:39,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:39,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 12:42:39,264 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:39,265 INFO L430 AbstractCegarLoop]: === Iteration 10 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:39,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:39,265 INFO L82 PathProgramCache]: Analyzing trace with hash 40050396, now seen corresponding path program 2 times [2021-07-14 12:42:39,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:39,265 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825755253] [2021-07-14 12:42:39,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:39,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1728 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 1694 trivial. 0 not checked. [2021-07-14 12:42:39,380 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:39,380 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825755253] [2021-07-14 12:42:39,380 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825755253] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:39,380 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679077517] [2021-07-14 12:42:39,380 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 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:39,567 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 12:42:39,567 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 12:42:39,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 1061 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 12:42:39,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:42:40,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1728 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 1694 trivial. 0 not checked. [2021-07-14 12:42:40,064 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679077517] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:40,064 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:42:40,064 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-07-14 12:42:40,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248719447] [2021-07-14 12:42:40,065 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 12:42:40,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:40,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 12:42:40,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-07-14 12:42:40,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:40,065 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:40,066 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.846153846153847) internal successors, (206), 13 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:40,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:40,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:40,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:40,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:40,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:40,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:40,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:40,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:40,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 12:42:40,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:40,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:40,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:40,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:40,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:40,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:40,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:40,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:40,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:40,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 12:42:40,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 12:42:40,429 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2021-07-14 12:42:40,429 INFO L430 AbstractCegarLoop]: === Iteration 11 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:40,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:40,429 INFO L82 PathProgramCache]: Analyzing trace with hash -650425908, now seen corresponding path program 3 times [2021-07-14 12:42:40,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:40,429 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384194529] [2021-07-14 12:42:40,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:40,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1749 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 1694 trivial. 0 not checked. [2021-07-14 12:42:40,641 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:40,641 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384194529] [2021-07-14 12:42:40,641 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384194529] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:40,642 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712064257] [2021-07-14 12:42:40,642 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:41,004 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 12:42:41,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 12:42:41,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 12:42:41,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:42:41,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1749 backedges. 459 proven. 31 refuted. 0 times theorem prover too weak. 1259 trivial. 0 not checked. [2021-07-14 12:42:41,579 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712064257] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:41,579 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:42:41,579 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7] total 18 [2021-07-14 12:42:41,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090136302] [2021-07-14 12:42:41,580 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 12:42:41,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:41,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 12:42:41,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2021-07-14 12:42:41,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:41,580 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:41,580 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 16.61111111111111) internal successors, (299), 18 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:41,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:41,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:41,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:41,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:41,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:41,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:41,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:41,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:41,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 12:42:41,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 12:42:41,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:41,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:41,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:41,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:41,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:41,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:41,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:41,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:41,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:41,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 12:42:41,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 12:42:41,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 12:42:42,149 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:42,149 INFO L430 AbstractCegarLoop]: === Iteration 12 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:42,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:42,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1395122327, now seen corresponding path program 1 times [2021-07-14 12:42:42,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:42,150 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080579171] [2021-07-14 12:42:42,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:42,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1153 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1072 trivial. 0 not checked. [2021-07-14 12:42:42,285 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:42,285 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080579171] [2021-07-14 12:42:42,285 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080579171] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:42,285 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169040770] [2021-07-14 12:42:42,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:42,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-14 12:42:42,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:42:42,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1153 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1072 trivial. 0 not checked. [2021-07-14 12:42:42,778 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169040770] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:42,778 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:42:42,778 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 17 [2021-07-14 12:42:42,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816460987] [2021-07-14 12:42:42,778 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 12:42:42,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:42,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 12:42:42,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-07-14 12:42:42,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:42,779 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:42,779 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 9.058823529411764) internal successors, (154), 17 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:42,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:42,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:42,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:42,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:42,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:42,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:42,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:42,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:42,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 12:42:42,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 12:42:42,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 12:42:42,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:43,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:43,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:43,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:43,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:43,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:43,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:43,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:43,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:43,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 12:42:43,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 12:42:43,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 12:42:43,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 12:42:43,221 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2021-07-14 12:42:43,221 INFO L430 AbstractCegarLoop]: === Iteration 13 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:43,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:43,221 INFO L82 PathProgramCache]: Analyzing trace with hash 763502169, now seen corresponding path program 2 times [2021-07-14 12:42:43,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:43,221 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741456598] [2021-07-14 12:42:43,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:43,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1184 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 1072 trivial. 0 not checked. [2021-07-14 12:42:43,362 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:43,362 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741456598] [2021-07-14 12:42:43,362 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741456598] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:43,362 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080995335] [2021-07-14 12:42:43,363 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 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:43,515 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 12:42:43,515 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 12:42:43,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 12:42:43,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:42:43,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1184 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 1072 trivial. 0 not checked. [2021-07-14 12:42:43,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080995335] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:43,891 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:42:43,891 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 19 [2021-07-14 12:42:43,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624061321] [2021-07-14 12:42:43,891 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 12:42:43,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:43,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 12:42:43,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-07-14 12:42:43,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:43,892 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:43,892 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 8.368421052631579) internal successors, (159), 19 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:43,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:43,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:43,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:43,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:43,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:43,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:43,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:43,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:43,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 12:42:43,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 12:42:43,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 12:42:43,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 12:42:43,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:44,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:44,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:44,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:44,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:44,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:44,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:44,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:44,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:44,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 12:42:44,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 12:42:44,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 12:42:44,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 12:42:44,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 12:42:44,333 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:44,333 INFO L430 AbstractCegarLoop]: === Iteration 14 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:44,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:44,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1225656983, now seen corresponding path program 3 times [2021-07-14 12:42:44,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:44,333 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620989573] [2021-07-14 12:42:44,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:44,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 1072 trivial. 0 not checked. [2021-07-14 12:42:44,549 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:44,549 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620989573] [2021-07-14 12:42:44,549 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620989573] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:44,549 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785395740] [2021-07-14 12:42:44,549 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:45,522 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 12:42:45,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 12:42:45,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-14 12:42:45,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:42:45,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-07-14 12:42:45,543 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 12:42:45,545 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:42:45,545 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 12:42:45,545 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-07-14 12:42:45,566 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-14 12:42:45,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-07-14 12:42:45,567 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 12:42:45,568 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:42:45,569 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 12:42:45,569 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2021-07-14 12:42:45,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 12:42:45,960 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 12:42:45,963 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:42:45,964 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-14 12:42:45,964 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2021-07-14 12:42:45,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-07-14 12:42:45,987 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 12:42:45,992 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:42:45,993 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 12:42:45,993 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2021-07-14 12:42:46,097 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:42:46,114 INFO L354 Elim1Store]: treesize reduction 19, result has 47.2 percent of original size [2021-07-14 12:42:46,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 40 [2021-07-14 12:42:46,115 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 12:42:46,123 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:42:46,126 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 12:42:46,127 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:21 [2021-07-14 12:42:46,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 660 proven. 6 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2021-07-14 12:42:46,237 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785395740] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:46,237 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:42:46,237 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 11] total 28 [2021-07-14 12:42:46,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560810647] [2021-07-14 12:42:46,237 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-14 12:42:46,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:46,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-14 12:42:46,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=626, Unknown=0, NotChecked=0, Total=756 [2021-07-14 12:42:46,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:46,238 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:46,238 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 11.642857142857142) internal successors, (326), 28 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:46,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:46,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:46,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:46,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:46,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:46,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:46,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:46,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:46,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 12:42:46,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 12:42:46,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 12:42:46,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 12:42:46,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 12:42:46,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:47,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:47,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:47,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:47,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:47,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:47,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:47,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:47,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:47,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 12:42:47,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 12:42:47,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 12:42:47,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 12:42:47,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 12:42:47,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 12:42:47,455 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2021-07-14 12:42:47,455 INFO L430 AbstractCegarLoop]: === Iteration 15 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:47,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:47,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1567918041, now seen corresponding path program 4 times [2021-07-14 12:42:47,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:47,456 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419800156] [2021-07-14 12:42:47,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:47,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 1072 trivial. 0 not checked. [2021-07-14 12:42:47,637 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:47,637 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419800156] [2021-07-14 12:42:47,637 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419800156] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:47,637 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334574887] [2021-07-14 12:42:47,637 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 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:42:47,779 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 12:42:47,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 12:42:47,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 12:42:47,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:42:48,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 1072 trivial. 0 not checked. [2021-07-14 12:42:48,225 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1334574887] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:48,225 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:42:48,225 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 23 [2021-07-14 12:42:48,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346768325] [2021-07-14 12:42:48,226 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-14 12:42:48,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:42:48,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-14 12:42:48,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-07-14 12:42:48,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:48,226 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:42:48,227 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 7.3478260869565215) internal successors, (169), 23 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:42:48,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:48,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:48,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:48,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:48,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:48,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:48,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:48,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:48,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 12:42:48,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 12:42:48,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 12:42:48,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 12:42:48,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 12:42:48,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 12:42:48,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:48,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:42:48,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:48,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:48,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:48,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:48,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:42:48,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:42:48,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 12:42:48,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 12:42:48,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 12:42:48,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 12:42:48,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 12:42:48,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 12:42:48,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 12:42:48,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 12:42:48,807 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2021-07-14 12:42:48,807 INFO L430 AbstractCegarLoop]: === Iteration 16 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:42:48,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:42:48,808 INFO L82 PathProgramCache]: Analyzing trace with hash -2003907863, now seen corresponding path program 5 times [2021-07-14 12:42:48,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:42:48,808 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457286986] [2021-07-14 12:42:48,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:42:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:42:48,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 465 proven. 436 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2021-07-14 12:42:48,903 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:42:48,903 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457286986] [2021-07-14 12:42:48,903 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457286986] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:42:48,903 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269504109] [2021-07-14 12:42:48,903 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown