/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-None-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_71-funloop_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-21 14:18:56,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-21 14:18:56,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-21 14:18:56,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-21 14:18:57,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-21 14:18:57,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-21 14:18:57,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-21 14:18:57,014 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-None-NoLbe.epf [2021-08-21 14:18:57,044 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-21 14:18:57,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-21 14:18:57,045 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-21 14:18:57,045 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-21 14:18:57,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-21 14:18:57,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-21 14:18:57,047 INFO L138 SettingsManager]: * Use SBE=true [2021-08-21 14:18:57,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-21 14:18:57,048 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-21 14:18:57,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-21 14:18:57,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-21 14:18:57,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-21 14:18:57,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-21 14:18:57,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-21 14:18:57,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-21 14:18:57,049 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-21 14:18:57,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-21 14:18:57,049 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-21 14:18:57,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-21 14:18:57,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-21 14:18:57,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-21 14:18:57,050 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-21 14:18:57,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-21 14:18:57,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 14:18:57,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-21 14:18:57,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-21 14:18:57,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-21 14:18:57,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-21 14:18:57,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-21 14:18:57,051 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-21 14:18:57,051 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-21 14:18:57,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-21 14:18:57,051 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-21 14:18:57,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-21 14:18:57,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-21 14:18:57,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-21 14:18:57,326 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-21 14:18:57,327 INFO L275 PluginConnector]: CDTParser initialized [2021-08-21 14:18:57,327 INFO L432 ainManager$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 [2021-08-21 14:18:57,377 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87e0b86d6/24792086b30b4eeabb4cb0c1a97b4afa/FLAG5faa305f2 [2021-08-21 14:18:57,827 INFO L306 CDTParser]: Found 1 translation units. [2021-08-21 14:18:57,828 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_71-funloop_racing.i [2021-08-21 14:18:57,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87e0b86d6/24792086b30b4eeabb4cb0c1a97b4afa/FLAG5faa305f2 [2021-08-21 14:18:57,859 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87e0b86d6/24792086b30b4eeabb4cb0c1a97b4afa [2021-08-21 14:18:57,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-21 14:18:57,863 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-21 14:18:57,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-21 14:18:57,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-21 14:18:57,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-21 14:18:57,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:18:57" (1/1) ... [2021-08-21 14:18:57,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@100f7059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:18:57, skipping insertion in model container [2021-08-21 14:18:57,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:18:57" (1/1) ... [2021-08-21 14:18:57,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-21 14:18:57,912 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-21 14:18:58,242 WARN L228 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] [2021-08-21 14:18:58,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-21 14:18:58,268 INFO L203 MainTranslator]: Completed pre-run [2021-08-21 14:18:58,293 WARN L228 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] [2021-08-21 14:18:58,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-21 14:18:58,351 INFO L208 MainTranslator]: Completed translation [2021-08-21 14:18:58,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:18:58 WrapperNode [2021-08-21 14:18:58,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-21 14:18:58,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-21 14:18:58,352 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-21 14:18:58,352 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-21 14:18:58,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:18:58" (1/1) ... [2021-08-21 14:18:58,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:18:58" (1/1) ... [2021-08-21 14:18:58,384 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-21 14:18:58,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-21 14:18:58,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-21 14:18:58,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-21 14:18:58,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:18:58" (1/1) ... [2021-08-21 14:18:58,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:18:58" (1/1) ... [2021-08-21 14:18:58,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:18:58" (1/1) ... [2021-08-21 14:18:58,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:18:58" (1/1) ... [2021-08-21 14:18:58,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:18:58" (1/1) ... [2021-08-21 14:18:58,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:18:58" (1/1) ... [2021-08-21 14:18:58,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:18:58" (1/1) ... [2021-08-21 14:18:58,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-21 14:18:58,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-21 14:18:58,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-21 14:18:58,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-21 14:18:58,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:18:58" (1/1) ... [2021-08-21 14:18:58,411 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 14:18:58,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:18:58,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-21 14:18:58,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-21 14:18:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-21 14:18:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-21 14:18:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-21 14:18:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-21 14:18:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-08-21 14:18:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-08-21 14:18:58,453 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-08-21 14:18:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-21 14:18:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-21 14:18:58,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-21 14:18:58,457 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-21 14:18:59,016 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-21 14:18:59,016 INFO L299 CfgBuilder]: Removed 49 assume(true) statements. [2021-08-21 14:18:59,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:18:59 BoogieIcfgContainer [2021-08-21 14:18:59,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-21 14:18:59,019 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-21 14:18:59,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-21 14:18:59,022 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-21 14:18:59,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 02:18:57" (1/3) ... [2021-08-21 14:18:59,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35980ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:18:59, skipping insertion in model container [2021-08-21 14:18:59,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:18:58" (2/3) ... [2021-08-21 14:18:59,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35980ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:18:59, skipping insertion in model container [2021-08-21 14:18:59,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:18:59" (3/3) ... [2021-08-21 14:18:59,024 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_71-funloop_racing.i [2021-08-21 14:18:59,028 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-21 14:18:59,028 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-21 14:18:59,028 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-21 14:18:59,028 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-21 14:18:59,065 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,065 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,065 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,065 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,065 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,066 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,066 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,066 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,066 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,066 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,066 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,066 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,066 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,066 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,067 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,067 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,068 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,069 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,069 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,069 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,069 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,069 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,069 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,069 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,070 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,070 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,071 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,071 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,071 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,071 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,071 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,071 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,071 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,071 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,071 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,071 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,072 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,072 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,072 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,072 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,072 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,072 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,074 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,074 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,074 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,074 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,075 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,075 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,076 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,076 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,082 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,083 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,083 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,083 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,083 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,083 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,084 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,084 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,085 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,085 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,085 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,085 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,086 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,086 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,086 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,086 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,086 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,086 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,086 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,086 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,086 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,086 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,086 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,086 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,087 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,087 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,087 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,087 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,087 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,087 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,088 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,088 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,088 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,088 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,089 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,092 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,092 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,092 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,100 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,101 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,101 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,101 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,101 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,101 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,101 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,101 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,101 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,101 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,101 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,102 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,102 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,102 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,102 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,102 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,102 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,102 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,102 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:18:59,108 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-08-21 14:18:59,135 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-21 14:18:59,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:18:59,137 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-21 14:18:59,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-21 14:18:59,153 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-21 14:18:59,157 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-21 14:18:59,157 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-08-21 14:18:59,166 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 194 places, 236 transitions, 480 flow [2021-08-21 14:18:59,305 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 5920 states, 5910 states have (on average 2.4697123519458546) internal successors, (14596), 5919 states have internal predecessors, (14596), 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) [2021-08-21 14:18:59,316 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-21 14:18:59,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:18:59,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1695717897, now seen corresponding path program 1 times [2021-08-21 14:18:59,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:18:59,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682877947] [2021-08-21 14:18:59,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:18:59,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:18:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:18:59,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 14:18:59,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:18:59,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682877947] [2021-08-21 14:18:59,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682877947] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 14:18:59,530 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 14:18:59,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-21 14:18:59,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874481230] [2021-08-21 14:18:59,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-21 14:18:59,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:18:59,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-21 14:18:59,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-21 14:18:59,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:18:59,546 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:18:59,546 INFO L471 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) [2021-08-21 14:18:59,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:18:59,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:18:59,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-21 14:18:59,556 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-21 14:18:59,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:18:59,558 INFO L82 PathProgramCache]: Analyzing trace with hash 322169638, now seen corresponding path program 1 times [2021-08-21 14:18:59,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:18:59,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483402440] [2021-08-21 14:18:59,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:18:59,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:18:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:18:59,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 14:18:59,623 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:18:59,623 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483402440] [2021-08-21 14:18:59,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483402440] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 14:18:59,623 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 14:18:59,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-21 14:18:59,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519786331] [2021-08-21 14:18:59,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 14:18:59,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:18:59,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 14:18:59,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 14:18:59,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:18:59,626 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:18:59,626 INFO L471 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) [2021-08-21 14:18:59,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:18:59,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:18:59,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:18:59,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:18:59,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-21 14:18:59,663 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-21 14:18:59,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:18:59,666 INFO L82 PathProgramCache]: Analyzing trace with hash 361671040, now seen corresponding path program 1 times [2021-08-21 14:18:59,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:18:59,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736393151] [2021-08-21 14:18:59,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:18:59,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:18:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:18:59,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 14:18:59,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:18:59,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736393151] [2021-08-21 14:18:59,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736393151] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:18:59,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271931146] [2021-08-21 14:18:59,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:18:59,766 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:18:59,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:18:59,767 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:18:59,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-21 14:18:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:18:59,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-21 14:18:59,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:19:00,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-21 14:19:00,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271931146] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 14:19:00,119 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-21 14:19:00,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-08-21 14:19:00,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800232770] [2021-08-21 14:19:00,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 14:19:00,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:19:00,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 14:19:00,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-21 14:19:00,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:00,122 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:19:00,122 INFO L471 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) [2021-08-21 14:19:00,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:00,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:00,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:00,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:00,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:00,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:00,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-21 14:19:00,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-08-21 14:19:00,383 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-21 14:19:00,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:19:00,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1112318821, now seen corresponding path program 1 times [2021-08-21 14:19:00,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:19:00,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260054598] [2021-08-21 14:19:00,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:19:00,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:19:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:19:00,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-21 14:19:00,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:19:00,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260054598] [2021-08-21 14:19:00,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260054598] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:00,465 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651216393] [2021-08-21 14:19:00,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:19:00,465 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:19:00,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:19:00,470 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:19:00,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-21 14:19:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:19:00,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-21 14:19:00,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:19:00,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-21 14:19:00,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651216393] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 14:19:00,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-21 14:19:00,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-08-21 14:19:00,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856215945] [2021-08-21 14:19:00,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 14:19:00,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:19:00,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 14:19:00,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-21 14:19:00,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:00,800 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:19:00,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2021-08-21 14:19:00,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:00,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:00,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:00,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:00,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:00,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:00,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:00,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:00,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-21 14:19:01,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:19:01,041 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-21 14:19:01,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:19:01,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1702998750, now seen corresponding path program 1 times [2021-08-21 14:19:01,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:19:01,042 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239159754] [2021-08-21 14:19:01,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:19:01,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:19:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:19:01,099 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-21 14:19:01,099 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:19:01,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239159754] [2021-08-21 14:19:01,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239159754] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:01,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565185328] [2021-08-21 14:19:01,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:19:01,100 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:19:01,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:19:01,100 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:19:01,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-21 14:19:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:19:01,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-21 14:19:01,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:19:01,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-21 14:19:01,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565185328] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 14:19:01,557 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-21 14:19:01,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-08-21 14:19:01,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898326701] [2021-08-21 14:19:01,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 14:19:01,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:19:01,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 14:19:01,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-21 14:19:01,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:01,560 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:19:01,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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) [2021-08-21 14:19:01,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:01,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:01,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:01,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:01,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:01,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:01,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:01,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:01,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:01,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:01,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-21 14:19:01,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:19:01,773 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-21 14:19:01,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:19:01,773 INFO L82 PathProgramCache]: Analyzing trace with hash -535117454, now seen corresponding path program 1 times [2021-08-21 14:19:01,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:19:01,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668945199] [2021-08-21 14:19:01,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:19:01,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:19:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:19:01,814 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-21 14:19:01,814 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:19:01,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668945199] [2021-08-21 14:19:01,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668945199] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:01,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463726085] [2021-08-21 14:19:01,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:19:01,815 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:19:01,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:19:01,821 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:19:01,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-21 14:19:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:19:01,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-21 14:19:01,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:19:02,293 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-21 14:19:02,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463726085] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:02,294 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:19:02,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-08-21 14:19:02,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934212692] [2021-08-21 14:19:02,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-21 14:19:02,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:19:02,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-21 14:19:02,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-21 14:19:02,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:02,296 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:19:02,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.0) internal successors, (126), 7 states have internal predecessors, (126), 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) [2021-08-21 14:19:02,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:02,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:02,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:02,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:02,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:02,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:02,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:02,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:02,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:02,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:02,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:02,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:02,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-21 14:19:02,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:19:02,553 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-21 14:19:02,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:19:02,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1272697000, now seen corresponding path program 2 times [2021-08-21 14:19:02,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:19:02,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471999302] [2021-08-21 14:19:02,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:19:02,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:19:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:19:02,601 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-08-21 14:19:02,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:19:02,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471999302] [2021-08-21 14:19:02,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471999302] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:02,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739865079] [2021-08-21 14:19:02,602 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-21 14:19:02,602 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:19:02,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:19:02,603 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:19:02,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-21 14:19:02,832 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-21 14:19:02,832 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 14:19:02,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-21 14:19:02,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:19:03,253 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-21 14:19:03,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739865079] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:03,253 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:19:03,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 10 [2021-08-21 14:19:03,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243527019] [2021-08-21 14:19:03,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-21 14:19:03,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:19:03,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-21 14:19:03,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-08-21 14:19:03,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:03,254 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:19:03,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.7) internal successors, (147), 10 states have internal predecessors, (147), 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) [2021-08-21 14:19:03,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:03,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:03,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:03,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:03,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:03,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:03,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:03,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:03,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:03,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:03,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:03,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:03,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:03,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:03,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-08-21 14:19:03,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:19:03,561 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-21 14:19:03,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:19:03,561 INFO L82 PathProgramCache]: Analyzing trace with hash -641162500, now seen corresponding path program 1 times [2021-08-21 14:19:03,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:19:03,562 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610786041] [2021-08-21 14:19:03,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:19:03,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:19:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:19:03,592 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-08-21 14:19:03,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:19:03,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610786041] [2021-08-21 14:19:03,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610786041] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 14:19:03,592 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 14:19:03,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-21 14:19:03,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447959746] [2021-08-21 14:19:03,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 14:19:03,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:19:03,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 14:19:03,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 14:19:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:03,593 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:19:03,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-08-21 14:19:03,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:03,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:03,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:03,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:03,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:03,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:03,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:03,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:03,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:03,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:03,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:03,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:03,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:03,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:03,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:03,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:03,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-21 14:19:03,604 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-21 14:19:03,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:19:03,604 INFO L82 PathProgramCache]: Analyzing trace with hash 495018412, now seen corresponding path program 1 times [2021-08-21 14:19:03,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:19:03,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478049151] [2021-08-21 14:19:03,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:19:03,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:19:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:19:03,642 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-08-21 14:19:03,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:19:03,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478049151] [2021-08-21 14:19:03,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478049151] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:03,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16239844] [2021-08-21 14:19:03,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:19:03,642 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:19:03,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:19:03,643 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:19:03,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-21 14:19:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:19:03,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-21 14:19:03,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:19:04,087 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-21 14:19:04,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16239844] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:04,088 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:19:04,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9] total 12 [2021-08-21 14:19:04,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967615796] [2021-08-21 14:19:04,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-21 14:19:04,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:19:04,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-21 14:19:04,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-08-21 14:19:04,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:04,090 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:19:04,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.166666666666666) internal successors, (146), 12 states have internal predecessors, (146), 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) [2021-08-21 14:19:04,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:04,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:04,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:04,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:04,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:04,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:04,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:04,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:04,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:04,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:04,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:04,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:04,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:04,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:04,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:04,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:04,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:04,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:19:04,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-21 14:19:04,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:19:04,406 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-21 14:19:04,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:19:04,407 INFO L82 PathProgramCache]: Analyzing trace with hash -656685514, now seen corresponding path program 2 times [2021-08-21 14:19:04,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:19:04,407 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90965562] [2021-08-21 14:19:04,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:19:04,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:19:04,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:19:04,501 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-08-21 14:19:04,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:19:04,501 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90965562] [2021-08-21 14:19:04,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90965562] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:04,501 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721895121] [2021-08-21 14:19:04,501 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-21 14:19:04,501 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:19:04,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:19:04,502 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:19:04,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-21 14:19:04,725 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-21 14:19:04,725 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 14:19:04,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-21 14:19:04,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:19:04,996 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-08-21 14:19:04,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721895121] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:04,997 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:19:04,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-08-21 14:19:04,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001736520] [2021-08-21 14:19:04,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-21 14:19:04,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:19:04,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-21 14:19:04,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-08-21 14:19:04,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:04,998 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:19:04,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 13 states have internal predecessors, (98), 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) [2021-08-21 14:19:04,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:04,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:04,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:04,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:04,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:04,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:04,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:04,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:04,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:19:04,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:05,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:05,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:05,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:05,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:05,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:05,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:05,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:05,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:05,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:19:05,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:05,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-21 14:19:05,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-21 14:19:05,290 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-21 14:19:05,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:19:05,290 INFO L82 PathProgramCache]: Analyzing trace with hash 456756380, now seen corresponding path program 3 times [2021-08-21 14:19:05,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:19:05,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93646455] [2021-08-21 14:19:05,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:19:05,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:19:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:19:05,407 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-08-21 14:19:05,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:19:05,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93646455] [2021-08-21 14:19:05,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93646455] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:05,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379333798] [2021-08-21 14:19:05,408 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-21 14:19:05,408 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:19:05,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:19:05,409 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:19:05,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-21 14:19:05,663 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-21 14:19:05,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 14:19:05,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-21 14:19:05,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:19:06,048 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-08-21 14:19:06,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379333798] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:06,048 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:19:06,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7] total 18 [2021-08-21 14:19:06,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865908789] [2021-08-21 14:19:06,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-08-21 14:19:06,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:19:06,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-21 14:19:06,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2021-08-21 14:19:06,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:06,049 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:19:06,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 10.555555555555555) internal successors, (190), 18 states have internal predecessors, (190), 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) [2021-08-21 14:19:06,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:06,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:06,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:06,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:06,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:06,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:06,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:06,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:06,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:19:06,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:06,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:06,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:06,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:06,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:06,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:06,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:06,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:06,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:06,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:06,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:19:06,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:06,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:19:06,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-21 14:19:06,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:19:06,489 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-21 14:19:06,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:19:06,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1848464934, now seen corresponding path program 4 times [2021-08-21 14:19:06,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:19:06,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594252874] [2021-08-21 14:19:06,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:19:06,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:19:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:19:06,610 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-08-21 14:19:06,610 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:19:06,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594252874] [2021-08-21 14:19:06,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594252874] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:06,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612412085] [2021-08-21 14:19:06,610 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-21 14:19:06,610 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:19:06,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:19:06,611 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:19:06,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-21 14:19:06,978 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-21 14:19:06,978 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 14:19:06,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-21 14:19:06,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:19:07,346 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-08-21 14:19:07,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612412085] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:07,347 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:19:07,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 17 [2021-08-21 14:19:07,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472782888] [2021-08-21 14:19:07,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-21 14:19:07,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:19:07,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-21 14:19:07,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-08-21 14:19:07,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:07,348 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:19:07,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.352941176470588) internal successors, (108), 17 states have internal predecessors, (108), 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) [2021-08-21 14:19:07,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:07,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:07,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:07,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:07,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:07,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:07,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:07,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:07,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:19:07,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:07,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:19:07,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:07,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:07,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:07,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:07,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:07,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:07,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:07,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:07,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:19:07,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:07,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:19:07,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:19:07,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-21 14:19:07,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-08-21 14:19:07,709 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-21 14:19:07,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:19:07,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1267178380, now seen corresponding path program 5 times [2021-08-21 14:19:07,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:19:07,709 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763644734] [2021-08-21 14:19:07,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:19:07,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:19:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:19:07,831 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-08-21 14:19:07,831 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:19:07,831 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763644734] [2021-08-21 14:19:07,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763644734] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:07,831 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958192706] [2021-08-21 14:19:07,831 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-21 14:19:07,831 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:19:07,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:19:07,832 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:19:07,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-08-21 14:19:08,560 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-08-21 14:19:08,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 14:19:08,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-21 14:19:08,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:19:09,014 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 1 proven. 105 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2021-08-21 14:19:09,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958192706] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:09,014 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:19:09,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9] total 24 [2021-08-21 14:19:09,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118561606] [2021-08-21 14:19:09,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-08-21 14:19:09,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:19:09,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-08-21 14:19:09,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=449, Unknown=0, NotChecked=0, Total=552 [2021-08-21 14:19:09,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:09,015 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:19:09,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.75) internal successors, (234), 24 states have internal predecessors, (234), 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) [2021-08-21 14:19:09,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:09,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:09,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:09,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:09,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:09,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:09,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:09,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:09,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:19:09,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:09,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:19:09,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:19:09,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:09,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:09,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:09,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:09,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:09,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:09,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:09,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:09,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:09,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:19:09,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:09,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:19:09,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:19:09,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-21 14:19:09,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-08-21 14:19:09,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-08-21 14:19:09,560 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-21 14:19:09,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:19:09,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1823361558, now seen corresponding path program 6 times [2021-08-21 14:19:09,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:19:09,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067499970] [2021-08-21 14:19:09,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:19:09,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:19:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:19:09,727 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2021-08-21 14:19:09,728 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:19:09,728 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067499970] [2021-08-21 14:19:09,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067499970] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:09,728 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721056922] [2021-08-21 14:19:09,729 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-21 14:19:09,729 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:19:09,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:19:09,729 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:19:09,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-21 14:19:10,780 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-08-21 14:19:10,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 14:19:10,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 18 conjunts are in the unsatisfiable core [2021-08-21 14:19:10,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:19:11,257 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2021-08-21 14:19:11,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721056922] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:11,258 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:19:11,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 21 [2021-08-21 14:19:11,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559938303] [2021-08-21 14:19:11,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-08-21 14:19:11,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:19:11,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-21 14:19:11,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2021-08-21 14:19:11,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:11,259 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:19:11,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 5.619047619047619) internal successors, (118), 21 states have internal predecessors, (118), 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) [2021-08-21 14:19:11,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:11,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:11,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:19:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:19:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:19:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-21 14:19:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:11,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:11,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:11,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:11,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:11,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:11,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:11,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:11,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:11,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:19:11,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:11,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:19:11,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:19:11,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-21 14:19:11,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:19:11,482 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-08-21 14:19:11,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-08-21 14:19:11,677 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-21 14:19:11,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:19:11,677 INFO L82 PathProgramCache]: Analyzing trace with hash 461540988, now seen corresponding path program 7 times [2021-08-21 14:19:11,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:19:11,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510532892] [2021-08-21 14:19:11,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:19:11,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:19:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:19:11,844 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2021-08-21 14:19:11,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:19:11,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510532892] [2021-08-21 14:19:11,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510532892] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:11,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915349363] [2021-08-21 14:19:11,845 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-21 14:19:11,845 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:19:11,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:19:11,846 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:19:11,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-08-21 14:19:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:19:12,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 20 conjunts are in the unsatisfiable core [2021-08-21 14:19:12,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:19:12,717 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2021-08-21 14:19:12,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915349363] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:12,717 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:19:12,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 23 [2021-08-21 14:19:12,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944612163] [2021-08-21 14:19:12,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-08-21 14:19:12,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:19:12,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-08-21 14:19:12,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-08-21 14:19:12,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:12,719 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:19:12,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.3478260869565215) internal successors, (123), 23 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) [2021-08-21 14:19:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:19:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:19:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:19:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-21 14:19:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:19:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:12,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:12,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:12,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:12,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:12,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:12,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:12,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:12,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:12,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:19:12,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:12,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:19:12,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:19:12,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-21 14:19:12,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:19:12,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-21 14:19:12,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-08-21 14:19:13,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-08-21 14:19:13,159 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-21 14:19:13,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:19:13,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1221007830, now seen corresponding path program 8 times [2021-08-21 14:19:13,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:19:13,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025562263] [2021-08-21 14:19:13,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:19:13,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:19:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:19:13,258 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 1 proven. 208 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-08-21 14:19:13,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:19:13,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025562263] [2021-08-21 14:19:13,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025562263] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:13,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118840659] [2021-08-21 14:19:13,259 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-21 14:19:13,259 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:19:13,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:19:13,259 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:19:13,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-08-21 14:19:13,788 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-21 14:19:13,789 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 14:19:13,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-21 14:19:13,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:19:14,312 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 1 proven. 208 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-08-21 14:19:14,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118840659] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:14,312 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:19:14,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-08-21 14:19:14,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440885758] [2021-08-21 14:19:14,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-21 14:19:14,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:19:14,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-21 14:19:14,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-08-21 14:19:14,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:14,313 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:19:14,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 16.46153846153846) internal successors, (214), 13 states have internal predecessors, (214), 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) [2021-08-21 14:19:14,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:14,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:14,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:14,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:14,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:14,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:14,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:14,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:14,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:19:14,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:14,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:19:14,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:19:14,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-21 14:19:14,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:19:14,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-21 14:19:14,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:19:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:19:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:19:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-21 14:19:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:19:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-21 14:19:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:14,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-08-21 14:19:14,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:19:14,637 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-21 14:19:14,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:19:14,637 INFO L82 PathProgramCache]: Analyzing trace with hash -906649082, now seen corresponding path program 9 times [2021-08-21 14:19:14,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:19:14,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204528500] [2021-08-21 14:19:14,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:19:14,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:19:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:19:14,752 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 1 proven. 345 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-08-21 14:19:14,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:19:14,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204528500] [2021-08-21 14:19:14,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204528500] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:14,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134671550] [2021-08-21 14:19:14,753 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-21 14:19:14,753 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:19:14,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:19:14,754 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:19:14,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-08-21 14:19:16,162 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-08-21 14:19:16,163 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 14:19:16,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-21 14:19:16,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:19:16,809 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 1 proven. 345 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-08-21 14:19:16,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134671550] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:16,809 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:19:16,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15 [2021-08-21 14:19:16,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924520357] [2021-08-21 14:19:16,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-21 14:19:16,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:19:16,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-21 14:19:16,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-08-21 14:19:16,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:16,811 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:19:16,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 16.533333333333335) internal successors, (248), 15 states have internal predecessors, (248), 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) [2021-08-21 14:19:16,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:16,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:16,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:16,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:16,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:16,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:16,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:16,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:16,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:19:16,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:16,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:19:16,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:19:16,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-21 14:19:16,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:19:16,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-21 14:19:16,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:16,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:16,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:16,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:16,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:16,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:16,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:16,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:16,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:16,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:16,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:19:16,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:16,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:19:16,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:19:16,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-21 14:19:16,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:19:16,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-21 14:19:16,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:16,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:19:16,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-08-21 14:19:17,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-08-21 14:19:17,148 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-21 14:19:17,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:19:17,148 INFO L82 PathProgramCache]: Analyzing trace with hash -299491786, now seen corresponding path program 10 times [2021-08-21 14:19:17,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:19:17,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172388302] [2021-08-21 14:19:17,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:19:17,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:19:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:19:17,285 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 1 proven. 516 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-08-21 14:19:17,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:19:17,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172388302] [2021-08-21 14:19:17,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172388302] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:17,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862501811] [2021-08-21 14:19:17,285 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-21 14:19:17,285 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:19:17,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:19:17,286 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:19:17,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-08-21 14:19:17,926 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-21 14:19:17,927 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 14:19:17,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-21 14:19:17,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:19:18,592 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 1 proven. 516 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-08-21 14:19:18,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862501811] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:18,592 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:19:18,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 17 [2021-08-21 14:19:18,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409563106] [2021-08-21 14:19:18,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-21 14:19:18,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:19:18,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-21 14:19:18,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-08-21 14:19:18,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:18,593 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:19:18,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 16.58823529411765) internal successors, (282), 17 states have internal predecessors, (282), 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) [2021-08-21 14:19:18,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:18,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:18,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:18,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:18,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:18,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:18,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:18,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:18,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:19:18,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:18,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:19:18,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:19:18,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-21 14:19:18,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:19:18,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-21 14:19:18,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:18,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:19:18,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:18,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:18,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:18,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:18,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:18,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:18,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:18,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:18,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:18,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:19:18,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:18,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:19:18,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:19:18,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-21 14:19:18,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:19:18,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-21 14:19:18,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:18,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:19:18,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:19:18,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-08-21 14:19:18,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-08-21 14:19:18,997 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-21 14:19:18,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:19:18,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1272680038, now seen corresponding path program 11 times [2021-08-21 14:19:18,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:19:18,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037262084] [2021-08-21 14:19:18,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:19:18,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:19:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:19:19,177 INFO L134 CoverageAnalysis]: Checked inductivity of 961 backedges. 1 proven. 721 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-08-21 14:19:19,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:19:19,177 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037262084] [2021-08-21 14:19:19,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037262084] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:19,177 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626467552] [2021-08-21 14:19:19,177 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-21 14:19:19,177 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:19:19,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:19:19,178 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:19:19,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-08-21 14:19:29,330 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-08-21 14:19:29,331 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 14:19:29,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-21 14:19:29,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:19:30,080 INFO L134 CoverageAnalysis]: Checked inductivity of 961 backedges. 1 proven. 721 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-08-21 14:19:30,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626467552] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:30,080 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:19:30,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 19 [2021-08-21 14:19:30,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933794233] [2021-08-21 14:19:30,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-21 14:19:30,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:19:30,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-21 14:19:30,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-08-21 14:19:30,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:30,081 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:19:30,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 16.63157894736842) internal successors, (316), 19 states have internal predecessors, (316), 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) [2021-08-21 14:19:30,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:30,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:30,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:30,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:30,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:30,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:30,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:30,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:30,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:19:30,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:30,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:19:30,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:19:30,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-21 14:19:30,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:19:30,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-21 14:19:30,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:30,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:19:30,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:19:30,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:30,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:30,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:30,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:30,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:30,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:30,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:30,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:30,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:30,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:19:30,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:30,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:19:30,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:19:30,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-21 14:19:30,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:19:30,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-21 14:19:30,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:30,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:19:30,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:19:30,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-21 14:19:30,339 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2021-08-21 14:19:30,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:19:30,514 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-21 14:19:30,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:19:30,514 INFO L82 PathProgramCache]: Analyzing trace with hash 416871062, now seen corresponding path program 12 times [2021-08-21 14:19:30,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:19:30,514 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96127831] [2021-08-21 14:19:30,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:19:30,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:19:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:19:30,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 1 proven. 960 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-08-21 14:19:30,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:19:30,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96127831] [2021-08-21 14:19:30,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96127831] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:30,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589781407] [2021-08-21 14:19:30,721 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-21 14:19:30,722 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:19:30,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:19:30,733 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:19:30,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-08-21 14:19:51,188 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-08-21 14:19:51,188 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 14:19:51,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 18 conjunts are in the unsatisfiable core [2021-08-21 14:19:51,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:19:52,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 1 proven. 960 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-08-21 14:19:52,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589781407] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:52,052 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:19:52,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 21 [2021-08-21 14:19:52,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084693432] [2021-08-21 14:19:52,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-08-21 14:19:52,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:19:52,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-21 14:19:52,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2021-08-21 14:19:52,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:52,054 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:19:52,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 16.666666666666668) internal successors, (350), 21 states have internal predecessors, (350), 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) [2021-08-21 14:19:52,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:52,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:52,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:52,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:52,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:52,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:52,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:52,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:52,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:19:52,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:52,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:19:52,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:19:52,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-21 14:19:52,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:19:52,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-21 14:19:52,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:52,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:19:52,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:19:52,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-21 14:19:52,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:52,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:52,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:52,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:52,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:52,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:52,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:52,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:52,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:52,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:19:52,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:52,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:19:52,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:19:52,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-21 14:19:52,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:19:52,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-21 14:19:52,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:52,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:19:52,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:19:52,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-21 14:19:52,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:19:52,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-08-21 14:19:52,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:19:52,508 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-21 14:19:52,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:19:52,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1512131270, now seen corresponding path program 13 times [2021-08-21 14:19:52,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:19:52,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028841923] [2021-08-21 14:19:52,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:19:52,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:19:52,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:19:52,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1473 backedges. 1 proven. 1233 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-08-21 14:19:52,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:19:52,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028841923] [2021-08-21 14:19:52,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028841923] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:52,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317096215] [2021-08-21 14:19:52,734 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-21 14:19:52,734 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:19:52,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:19:52,735 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:19:52,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-08-21 14:19:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:19:53,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 20 conjunts are in the unsatisfiable core [2021-08-21 14:19:53,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:19:54,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1473 backedges. 1 proven. 1233 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-08-21 14:19:54,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317096215] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:19:54,543 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:19:54,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 23 [2021-08-21 14:19:54,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304500846] [2021-08-21 14:19:54,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-08-21 14:19:54,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:19:54,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-08-21 14:19:54,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-08-21 14:19:54,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:54,544 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:19:54,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 16.695652173913043) internal successors, (384), 23 states have internal predecessors, (384), 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) [2021-08-21 14:19:54,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:54,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:54,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:54,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:54,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:54,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:54,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:54,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:54,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:19:54,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:54,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:19:54,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:19:54,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-21 14:19:54,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:19:54,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-21 14:19:54,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:54,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:19:54,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:19:54,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-21 14:19:54,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:19:54,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:54,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:19:54,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:54,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:54,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:54,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:54,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:19:54,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:19:54,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:19:54,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:19:54,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:54,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:19:54,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:19:54,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-21 14:19:54,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:19:54,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-21 14:19:54,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:19:54,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:19:54,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:19:54,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-21 14:19:54,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:19:54,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-21 14:19:54,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-08-21 14:19:55,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:19:55,026 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-21 14:19:55,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:19:55,027 INFO L82 PathProgramCache]: Analyzing trace with hash 334993142, now seen corresponding path program 14 times [2021-08-21 14:19:55,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:19:55,027 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768873860] [2021-08-21 14:19:55,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:19:55,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:19:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-21 14:19:55,165 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-21 14:19:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-21 14:19:55,331 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-21 14:19:55,331 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-21 14:19:55,332 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-21 14:19:55,333 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 14:19:55,333 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 14:19:55,333 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 14:19:55,333 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 14:19:55,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-21 14:19:55,337 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-08-21 14:19:55,337 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-08-21 14:19:55,351 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,352 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,352 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,352 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,352 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,352 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,352 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,352 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,352 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,352 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,352 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,352 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,352 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,353 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,353 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,353 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,353 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,354 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,354 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,354 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,354 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,354 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,354 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,354 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,354 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,354 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,355 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,355 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,355 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,355 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,355 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,355 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,356 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,356 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,357 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,357 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,358 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,358 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,358 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,358 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,358 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,358 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,358 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,359 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,359 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,359 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,359 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,359 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,359 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,359 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,359 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,359 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,359 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,359 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,360 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,360 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,360 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,360 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,360 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,360 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,360 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,360 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,360 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,361 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,361 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,361 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,361 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,361 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,361 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,361 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,361 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,362 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,362 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,362 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,362 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,362 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,362 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,362 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,362 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,363 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,363 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,363 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,363 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,363 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,363 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,363 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,363 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,364 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,364 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,364 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,364 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,364 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,364 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,364 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,365 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,365 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,366 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,367 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,367 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,367 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,367 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,367 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,367 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,367 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,368 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,368 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,368 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,368 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,368 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,368 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,368 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,368 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,368 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,368 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,369 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,369 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,369 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,369 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,369 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,369 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,369 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,369 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,369 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,369 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,369 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,369 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,369 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,369 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,369 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,369 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,369 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,369 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,369 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,369 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,369 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,369 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,369 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,369 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,370 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,370 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,370 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,370 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,370 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,370 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,370 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,370 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,371 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,371 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,371 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,371 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,372 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,372 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,372 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,372 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,372 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,372 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,372 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,372 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,372 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,374 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,374 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,374 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,374 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,374 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,375 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,375 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,375 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,375 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,375 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,375 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,375 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,375 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 14:19:55,378 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-08-21 14:19:55,379 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-21 14:19:55,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:19:55,381 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-21 14:19:55,393 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-21 14:19:55,393 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-21 14:19:55,393 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-08-21 14:19:55,395 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 250 places, 305 transitions, 628 flow [2021-08-21 14:19:55,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (21)] Waiting until timeout for monitored process [2021-08-21 14:20:03,245 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 321571 states, 321545 states have (on average 3.7051392495607147) internal successors, (1191369), 321570 states have internal predecessors, (1191369), 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) [2021-08-21 14:20:03,246 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:20:03,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:20:03,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1394114487, now seen corresponding path program 1 times [2021-08-21 14:20:03,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:20:03,247 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494228235] [2021-08-21 14:20:03,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:03,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:20:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:03,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 14:20:03,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:20:03,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494228235] [2021-08-21 14:20:03,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494228235] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 14:20:03,308 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 14:20:03,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-21 14:20:03,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686104884] [2021-08-21 14:20:03,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-21 14:20:03,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:20:03,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-21 14:20:03,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-21 14:20:03,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:03,309 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:20:03,309 INFO L471 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) [2021-08-21 14:20:03,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:03,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:03,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-08-21 14:20:03,321 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:20:03,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:20:03,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1527304550, now seen corresponding path program 1 times [2021-08-21 14:20:03,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:20:03,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747707477] [2021-08-21 14:20:03,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:03,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:20:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:03,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 14:20:03,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:20:03,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747707477] [2021-08-21 14:20:03,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747707477] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 14:20:03,373 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 14:20:03,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-21 14:20:03,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479475020] [2021-08-21 14:20:03,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 14:20:03,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:20:03,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 14:20:03,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 14:20:03,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:03,373 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:20:03,374 INFO L471 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) [2021-08-21 14:20:03,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:03,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:03,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:03,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:03,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-08-21 14:20:03,383 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:20:03,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:20:03,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1956057039, now seen corresponding path program 1 times [2021-08-21 14:20:03,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:20:03,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144237178] [2021-08-21 14:20:03,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:03,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:20:03,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:03,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 14:20:03,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:20:03,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144237178] [2021-08-21 14:20:03,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144237178] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:03,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186054725] [2021-08-21 14:20:03,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:03,452 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:20:03,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:20:03,466 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:20:03,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-08-21 14:20:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:05,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-21 14:20:05,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:20:05,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-21 14:20:05,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186054725] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 14:20:05,575 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-21 14:20:05,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-08-21 14:20:05,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791511117] [2021-08-21 14:20:05,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 14:20:05,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:20:05,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 14:20:05,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-21 14:20:05,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:05,576 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:20:05,577 INFO L471 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) [2021-08-21 14:20:05,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:05,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:05,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:05,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:05,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:05,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:05,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-08-21 14:20:05,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-08-21 14:20:05,805 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:20:05,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:20:05,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1654372343, now seen corresponding path program 1 times [2021-08-21 14:20:05,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:20:05,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843410961] [2021-08-21 14:20:05,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:05,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:20:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:05,830 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-21 14:20:05,831 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:20:05,831 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843410961] [2021-08-21 14:20:05,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843410961] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:05,831 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620821261] [2021-08-21 14:20:05,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:05,831 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:20:05,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:20:05,845 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:20:05,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-08-21 14:20:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:06,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-21 14:20:06,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:20:07,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-21 14:20:07,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620821261] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 14:20:07,059 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-21 14:20:07,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-08-21 14:20:07,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428434933] [2021-08-21 14:20:07,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 14:20:07,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:20:07,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 14:20:07,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-21 14:20:07,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:07,060 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:20:07,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2021-08-21 14:20:07,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:07,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:07,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:07,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:07,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:07,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:07,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:07,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:07,102 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2021-08-21 14:20:07,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-08-21 14:20:07,283 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:20:07,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:20:07,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1029666068, now seen corresponding path program 1 times [2021-08-21 14:20:07,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:20:07,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609571906] [2021-08-21 14:20:07,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:07,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:20:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:07,316 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-21 14:20:07,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:20:07,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609571906] [2021-08-21 14:20:07,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609571906] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:07,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846048215] [2021-08-21 14:20:07,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:07,316 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:20:07,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:20:07,333 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:20:07,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-08-21 14:20:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:08,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-21 14:20:08,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:20:08,620 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-21 14:20:08,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846048215] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 14:20:08,621 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-21 14:20:08,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-08-21 14:20:08,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655890760] [2021-08-21 14:20:08,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 14:20:08,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:20:08,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 14:20:08,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-21 14:20:08,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:08,622 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:20:08,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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) [2021-08-21 14:20:08,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:08,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:08,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:08,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:08,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:08,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:08,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:08,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:08,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:08,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:08,650 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2021-08-21 14:20:08,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:20:08,830 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:20:08,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:20:08,830 INFO L82 PathProgramCache]: Analyzing trace with hash 741895232, now seen corresponding path program 1 times [2021-08-21 14:20:08,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:20:08,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996479234] [2021-08-21 14:20:08,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:08,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:20:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:08,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-21 14:20:08,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:20:08,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996479234] [2021-08-21 14:20:08,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996479234] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:08,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613264926] [2021-08-21 14:20:08,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:08,856 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:20:08,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:20:08,877 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:20:08,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-08-21 14:20:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:09,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-21 14:20:09,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:20:10,175 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-21 14:20:10,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613264926] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:10,176 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:20:10,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-08-21 14:20:10,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364594415] [2021-08-21 14:20:10,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-21 14:20:10,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:20:10,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-21 14:20:10,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-21 14:20:10,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:10,177 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:20:10,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.0) internal successors, (126), 7 states have internal predecessors, (126), 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) [2021-08-21 14:20:10,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:10,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:10,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:10,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:10,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:10,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:10,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:10,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:10,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:10,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:10,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:10,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:10,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2021-08-21 14:20:10,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-08-21 14:20:10,401 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:20:10,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:20:10,401 INFO L82 PathProgramCache]: Analyzing trace with hash 344384085, now seen corresponding path program 2 times [2021-08-21 14:20:10,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:20:10,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023582196] [2021-08-21 14:20:10,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:10,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:20:10,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:10,429 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-08-21 14:20:10,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:20:10,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023582196] [2021-08-21 14:20:10,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023582196] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:10,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947736699] [2021-08-21 14:20:10,429 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-21 14:20:10,429 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:20:10,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:20:10,430 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:20:10,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-08-21 14:20:11,535 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-21 14:20:11,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 14:20:11,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-21 14:20:11,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:20:11,787 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-21 14:20:11,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947736699] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:11,787 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:20:11,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 10 [2021-08-21 14:20:11,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775808225] [2021-08-21 14:20:11,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-21 14:20:11,788 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:20:11,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-21 14:20:11,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-08-21 14:20:11,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:11,788 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:20:11,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.7) internal successors, (147), 10 states have internal predecessors, (147), 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) [2021-08-21 14:20:11,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:11,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:11,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:11,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:11,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:11,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:11,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:11,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:11,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:11,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:11,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:11,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:11,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:11,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:11,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2021-08-21 14:20:12,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-08-21 14:20:12,082 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:20:12,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:20:12,083 INFO L82 PathProgramCache]: Analyzing trace with hash 462533437, now seen corresponding path program 1 times [2021-08-21 14:20:12,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:20:12,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632658352] [2021-08-21 14:20:12,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:12,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:20:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:12,119 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-08-21 14:20:12,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:20:12,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632658352] [2021-08-21 14:20:12,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632658352] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 14:20:12,119 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 14:20:12,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-21 14:20:12,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860927612] [2021-08-21 14:20:12,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 14:20:12,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:20:12,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 14:20:12,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 14:20:12,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:12,120 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:20:12,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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) [2021-08-21 14:20:12,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:12,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:12,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:12,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:12,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:12,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:12,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:12,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:12,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:12,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:12,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:12,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:12,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:12,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:12,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:12,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:12,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-08-21 14:20:12,132 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:20:12,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:20:12,133 INFO L82 PathProgramCache]: Analyzing trace with hash 34878797, now seen corresponding path program 1 times [2021-08-21 14:20:12,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:20:12,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378340784] [2021-08-21 14:20:12,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:12,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:20:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:12,172 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-08-21 14:20:12,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:20:12,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378340784] [2021-08-21 14:20:12,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378340784] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:12,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038274542] [2021-08-21 14:20:12,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:12,173 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:20:12,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:20:12,173 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:20:12,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-08-21 14:20:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:13,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-21 14:20:13,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:20:13,827 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-08-21 14:20:13,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038274542] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:13,827 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:20:13,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9] total 12 [2021-08-21 14:20:13,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314216630] [2021-08-21 14:20:13,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-21 14:20:13,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:20:13,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-21 14:20:13,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-08-21 14:20:13,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:13,828 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:20:13,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 22.333333333333332) internal successors, (268), 12 states have internal predecessors, (268), 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) [2021-08-21 14:20:13,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:13,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:13,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:13,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:13,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:13,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:13,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:13,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:13,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:13,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:13,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:13,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:13,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:13,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:13,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:13,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:13,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:13,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:13,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2021-08-21 14:20:14,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-08-21 14:20:14,189 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:20:14,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:20:14,189 INFO L82 PathProgramCache]: Analyzing trace with hash 512286248, now seen corresponding path program 2 times [2021-08-21 14:20:14,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:20:14,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124767908] [2021-08-21 14:20:14,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:14,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:20:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:14,253 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-08-21 14:20:14,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:20:14,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124767908] [2021-08-21 14:20:14,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124767908] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:14,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1042549780] [2021-08-21 14:20:14,253 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-21 14:20:14,253 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:20:14,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:20:14,254 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:20:14,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-08-21 14:20:15,494 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-21 14:20:15,494 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 14:20:15,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-21 14:20:15,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:20:15,985 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-08-21 14:20:15,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1042549780] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:15,986 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:20:15,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11] total 14 [2021-08-21 14:20:15,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68979778] [2021-08-21 14:20:15,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-08-21 14:20:15,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:20:15,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-21 14:20:15,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-08-21 14:20:15,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:15,987 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:20:15,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 22.357142857142858) internal successors, (313), 14 states have internal predecessors, (313), 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) [2021-08-21 14:20:15,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:15,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:15,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:15,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:15,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:15,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:15,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:15,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:15,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:15,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:16,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:16,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:16,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:16,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:16,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:16,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:16,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:16,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:16,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:16,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:20:16,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2021-08-21 14:20:16,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:20:16,333 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:20:16,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:20:16,333 INFO L82 PathProgramCache]: Analyzing trace with hash 177505274, now seen corresponding path program 3 times [2021-08-21 14:20:16,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:20:16,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159945474] [2021-08-21 14:20:16,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:16,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:20:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:16,391 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2021-08-21 14:20:16,391 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:20:16,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159945474] [2021-08-21 14:20:16,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159945474] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:16,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040373175] [2021-08-21 14:20:16,392 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-21 14:20:16,392 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:20:16,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:20:16,393 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:20:16,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-08-21 14:20:17,677 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-08-21 14:20:17,677 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 14:20:17,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-21 14:20:17,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:20:18,197 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2021-08-21 14:20:18,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040373175] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:18,198 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:20:18,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-08-21 14:20:18,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059971877] [2021-08-21 14:20:18,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-21 14:20:18,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:20:18,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-21 14:20:18,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-21 14:20:18,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:18,199 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:20:18,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.714285714285715) internal successors, (250), 7 states have internal predecessors, (250), 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) [2021-08-21 14:20:18,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:18,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:18,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:18,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:18,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:18,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:18,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:18,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:18,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:18,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:20:18,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:18,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:18,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:18,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:18,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:18,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:18,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:18,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:18,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:18,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:18,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:20:18,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:18,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2021-08-21 14:20:18,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:20:18,441 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:20:18,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:20:18,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1892454322, now seen corresponding path program 1 times [2021-08-21 14:20:18,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:20:18,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029665275] [2021-08-21 14:20:18,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:18,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:20:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:18,532 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-08-21 14:20:18,532 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:20:18,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029665275] [2021-08-21 14:20:18,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029665275] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:18,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689985749] [2021-08-21 14:20:18,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:18,533 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:20:18,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:20:18,533 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:20:18,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-08-21 14:20:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:19,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-21 14:20:19,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:20:20,465 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-08-21 14:20:20,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689985749] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:20,465 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:20:20,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15 [2021-08-21 14:20:20,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595940943] [2021-08-21 14:20:20,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-21 14:20:20,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:20:20,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-21 14:20:20,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-08-21 14:20:20,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:20,466 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:20:20,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 14.6) internal successors, (219), 15 states have internal predecessors, (219), 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) [2021-08-21 14:20:20,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:20,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:20,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:20,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:20,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:20,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:20,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:20,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:20,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:20,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:20:20,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:20,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:20:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:20,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:20:20,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2021-08-21 14:20:20,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:20:20,785 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:20:20,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:20:20,785 INFO L82 PathProgramCache]: Analyzing trace with hash -934661095, now seen corresponding path program 2 times [2021-08-21 14:20:20,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:20:20,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21530633] [2021-08-21 14:20:20,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:20,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:20:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:20,889 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-08-21 14:20:20,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:20:20,890 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21530633] [2021-08-21 14:20:20,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21530633] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:20,890 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017092128] [2021-08-21 14:20:20,890 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-21 14:20:20,890 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:20:20,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:20:20,905 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:20:20,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2021-08-21 14:20:22,363 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-21 14:20:22,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 14:20:22,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-21 14:20:22,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:20:22,889 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-08-21 14:20:22,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017092128] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:22,889 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:20:22,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 17 [2021-08-21 14:20:22,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238753358] [2021-08-21 14:20:22,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-21 14:20:22,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:20:22,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-21 14:20:22,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-08-21 14:20:22,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:22,890 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:20:22,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 13.176470588235293) internal successors, (224), 17 states have internal predecessors, (224), 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) [2021-08-21 14:20:22,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:22,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:22,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:22,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:22,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:22,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:22,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:22,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:22,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:22,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:20:22,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:22,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:20:22,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:23,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:23,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:23,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:23,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:23,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:23,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:23,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:23,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:23,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:23,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:20:23,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:23,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:20:23,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:20:23,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2021-08-21 14:20:23,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-08-21 14:20:23,235 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:20:23,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:20:23,236 INFO L82 PathProgramCache]: Analyzing trace with hash -396552402, now seen corresponding path program 3 times [2021-08-21 14:20:23,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:20:23,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521962649] [2021-08-21 14:20:23,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:23,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:20:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:23,376 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-08-21 14:20:23,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:20:23,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521962649] [2021-08-21 14:20:23,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521962649] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:23,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082346473] [2021-08-21 14:20:23,377 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-21 14:20:23,377 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:20:23,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:20:23,378 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:20:23,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2021-08-21 14:20:25,311 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-21 14:20:25,311 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 14:20:25,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-21 14:20:25,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:20:25,945 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-08-21 14:20:25,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082346473] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:25,945 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:20:25,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 7] total 22 [2021-08-21 14:20:25,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025377322] [2021-08-21 14:20:25,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-08-21 14:20:25,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:20:25,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-08-21 14:20:25,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=368, Unknown=0, NotChecked=0, Total=462 [2021-08-21 14:20:25,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:25,947 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:20:25,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 16.181818181818183) internal successors, (356), 22 states have internal predecessors, (356), 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) [2021-08-21 14:20:25,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:25,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:25,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:25,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:25,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:25,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:25,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:25,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:25,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:25,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:20:25,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:25,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:20:25,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:20:25,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:20:26,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:26,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:20:26,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:20:26,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:20:26,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2021-08-21 14:20:26,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-08-21 14:20:26,458 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:20:26,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:20:26,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1403371658, now seen corresponding path program 4 times [2021-08-21 14:20:26,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:20:26,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219703386] [2021-08-21 14:20:26,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:26,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:20:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:26,629 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2021-08-21 14:20:26,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:20:26,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219703386] [2021-08-21 14:20:26,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219703386] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:26,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724602214] [2021-08-21 14:20:26,630 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-21 14:20:26,630 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:20:26,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:20:26,633 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:20:26,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2021-08-21 14:20:28,410 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-21 14:20:28,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 14:20:28,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 18 conjunts are in the unsatisfiable core [2021-08-21 14:20:28,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:20:29,002 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2021-08-21 14:20:29,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724602214] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:29,002 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:20:29,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 21 [2021-08-21 14:20:29,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884979603] [2021-08-21 14:20:29,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-08-21 14:20:29,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:20:29,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-21 14:20:29,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2021-08-21 14:20:29,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:29,004 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:20:29,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 11.142857142857142) internal successors, (234), 21 states have internal predecessors, (234), 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) [2021-08-21 14:20:29,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:29,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:29,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:29,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:29,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:29,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:29,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:29,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:29,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:29,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:20:29,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:29,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:20:29,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:20:29,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:20:29,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:29,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:29,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:29,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:29,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:29,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:29,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:29,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:29,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:29,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:29,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:20:29,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:29,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:20:29,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:20:29,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:20:29,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:20:29,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2021-08-21 14:20:29,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:20:29,429 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:20:29,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:20:29,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1256941813, now seen corresponding path program 5 times [2021-08-21 14:20:29,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:20:29,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134445340] [2021-08-21 14:20:29,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:29,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:20:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:29,611 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2021-08-21 14:20:29,612 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:20:29,612 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134445340] [2021-08-21 14:20:29,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134445340] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:29,612 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599844824] [2021-08-21 14:20:29,612 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-21 14:20:29,612 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:20:29,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:20:29,613 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:20:29,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2021-08-21 14:20:32,715 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-08-21 14:20:32,715 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 14:20:32,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-21 14:20:32,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:20:33,332 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2021-08-21 14:20:33,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1599844824] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:33,332 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:20:33,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 7] total 26 [2021-08-21 14:20:33,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636150739] [2021-08-21 14:20:33,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-08-21 14:20:33,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:20:33,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-08-21 14:20:33,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=516, Unknown=0, NotChecked=0, Total=650 [2021-08-21 14:20:33,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:33,333 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:20:33,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 12.538461538461538) internal successors, (326), 26 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) [2021-08-21 14:20:33,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:33,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:33,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:33,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:33,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:33,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:33,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:33,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:33,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:33,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:20:33,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:33,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:20:33,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:20:33,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:20:33,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:20:33,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:33,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:33,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:33,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:33,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:33,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:33,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:33,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:33,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:33,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:33,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:20:33,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:33,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:20:33,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:20:33,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:20:33,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:20:33,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-21 14:20:33,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2021-08-21 14:20:33,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-08-21 14:20:33,844 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:20:33,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:20:33,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1946837990, now seen corresponding path program 6 times [2021-08-21 14:20:33,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:20:33,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237922794] [2021-08-21 14:20:33,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:33,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:20:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:33,921 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2021-08-21 14:20:33,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:20:33,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237922794] [2021-08-21 14:20:33,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237922794] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:33,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303685359] [2021-08-21 14:20:33,921 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-21 14:20:33,921 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:20:33,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:20:33,922 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:20:33,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2021-08-21 14:20:35,913 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-08-21 14:20:35,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 14:20:35,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-21 14:20:35,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:20:36,601 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2021-08-21 14:20:36,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303685359] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:36,601 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:20:36,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-08-21 14:20:36,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056249097] [2021-08-21 14:20:36,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-21 14:20:36,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:20:36,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-21 14:20:36,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-08-21 14:20:36,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:36,602 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:20:36,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.666666666666668) internal successors, (213), 9 states have internal predecessors, (213), 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) [2021-08-21 14:20:36,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:36,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:36,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:36,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:36,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:36,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:36,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:36,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:36,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:36,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:20:36,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:36,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:20:36,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:20:36,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:20:36,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:20:36,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-21 14:20:36,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:36,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:36,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:36,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:36,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:36,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:36,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:36,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:36,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:36,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:36,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:20:36,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:36,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:20:36,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:20:36,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:20:36,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:20:36,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-21 14:20:36,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-21 14:20:36,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2021-08-21 14:20:36,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-08-21 14:20:36,843 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:20:36,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:20:36,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1943757371, now seen corresponding path program 1 times [2021-08-21 14:20:36,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:20:36,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831497596] [2021-08-21 14:20:36,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:36,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:20:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:36,879 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2021-08-21 14:20:36,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:20:36,879 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831497596] [2021-08-21 14:20:36,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831497596] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 14:20:36,879 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 14:20:36,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-21 14:20:36,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571518157] [2021-08-21 14:20:36,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 14:20:36,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:20:36,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 14:20:36,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 14:20:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:36,880 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:20:36,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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) [2021-08-21 14:20:36,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:36,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:36,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:36,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:36,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:36,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:36,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:36,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:36,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:36,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:20:36,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:36,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:20:36,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:20:36,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:20:36,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:20:36,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-21 14:20:36,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-21 14:20:36,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:36,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:36,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:36,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:36,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:36,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:36,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:36,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:36,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:36,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:36,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:20:36,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:36,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:20:36,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:20:36,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:20:36,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:20:36,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-21 14:20:36,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-21 14:20:36,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:36,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-08-21 14:20:36,894 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:20:36,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:20:36,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1315022763, now seen corresponding path program 1 times [2021-08-21 14:20:36,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:20:36,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598839867] [2021-08-21 14:20:36,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:36,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:20:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:36,939 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2021-08-21 14:20:36,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:20:36,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598839867] [2021-08-21 14:20:36,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598839867] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:36,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609896036] [2021-08-21 14:20:36,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:36,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:20:36,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:20:36,941 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:20:36,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2021-08-21 14:20:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:38,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-21 14:20:38,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:20:39,242 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 15 proven. 105 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2021-08-21 14:20:39,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609896036] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:39,242 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:20:39,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9] total 12 [2021-08-21 14:20:39,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049513089] [2021-08-21 14:20:39,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-21 14:20:39,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:20:39,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-21 14:20:39,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-08-21 14:20:39,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:39,243 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:20:39,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 22.75) internal successors, (273), 12 states have internal predecessors, (273), 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) [2021-08-21 14:20:39,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:39,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:39,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:39,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:39,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:39,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:39,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:39,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:39,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:39,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:20:39,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:39,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:20:39,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:20:39,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:20:39,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:20:39,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-21 14:20:39,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-21 14:20:39,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:39,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:39,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:39,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:39,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:39,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:39,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:39,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:39,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:39,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:39,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:39,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:20:39,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:39,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:20:39,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:20:39,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:20:39,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:20:39,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-21 14:20:39,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-21 14:20:39,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:39,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:39,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2021-08-21 14:20:39,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:20:39,585 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:20:39,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:20:39,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1661296747, now seen corresponding path program 2 times [2021-08-21 14:20:39,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:20:39,585 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953734956] [2021-08-21 14:20:39,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:39,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:20:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:39,689 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 15 proven. 208 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-08-21 14:20:39,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:20:39,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953734956] [2021-08-21 14:20:39,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953734956] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:39,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745926734] [2021-08-21 14:20:39,689 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-21 14:20:39,689 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:20:39,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:20:39,721 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:20:39,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2021-08-21 14:20:41,605 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-21 14:20:41,605 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 14:20:41,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-21 14:20:41,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:20:42,156 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 15 proven. 208 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-08-21 14:20:42,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745926734] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:42,157 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:20:42,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-08-21 14:20:42,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55681316] [2021-08-21 14:20:42,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-21 14:20:42,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:20:42,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-21 14:20:42,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-08-21 14:20:42,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:42,158 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:20:42,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 20.307692307692307) internal successors, (264), 13 states have internal predecessors, (264), 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) [2021-08-21 14:20:42,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:42,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:42,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:42,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:42,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:42,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:42,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:42,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:42,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:42,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:20:42,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:42,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:20:42,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:20:42,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:20:42,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:20:42,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-21 14:20:42,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-21 14:20:42,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:42,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:42,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:42,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:42,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:42,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:42,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:42,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:42,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:42,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:42,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:42,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:42,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:20:42,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:42,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:20:42,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:20:42,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:20:42,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:20:42,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-21 14:20:42,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-21 14:20:42,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:42,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:42,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:20:42,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2021-08-21 14:20:42,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:20:42,455 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:20:42,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:20:42,455 INFO L82 PathProgramCache]: Analyzing trace with hash -194487365, now seen corresponding path program 3 times [2021-08-21 14:20:42,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:20:42,455 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245446310] [2021-08-21 14:20:42,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:42,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:20:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:42,562 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 15 proven. 345 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-08-21 14:20:42,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:20:42,562 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245446310] [2021-08-21 14:20:42,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245446310] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:42,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271185490] [2021-08-21 14:20:42,563 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-21 14:20:42,563 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:20:42,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:20:42,563 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:20:42,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2021-08-21 14:20:44,477 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-21 14:20:44,477 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 14:20:44,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-21 14:20:44,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:20:45,093 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2021-08-21 14:20:45,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271185490] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:45,094 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:20:45,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7] total 18 [2021-08-21 14:20:45,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874602725] [2021-08-21 14:20:45,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-08-21 14:20:45,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:20:45,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-21 14:20:45,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2021-08-21 14:20:45,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:45,095 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:20:45,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 20.833333333333332) internal successors, (375), 18 states have internal predecessors, (375), 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) [2021-08-21 14:20:45,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:45,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:45,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:45,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:45,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:45,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:45,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:45,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:45,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:45,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:20:45,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:45,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:20:45,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:20:45,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:20:45,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:20:45,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-21 14:20:45,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-21 14:20:45,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:45,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:45,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:20:45,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:45,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:45,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:45,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:45,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:45,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:45,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:45,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:45,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:45,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:45,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:20:45,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:45,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:20:45,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:20:45,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:20:45,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:20:45,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-21 14:20:45,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-21 14:20:45,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:45,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:45,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:20:45,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:20:45,300 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2021-08-21 14:20:45,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:20:45,477 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:20:45,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:20:45,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1281528955, now seen corresponding path program 4 times [2021-08-21 14:20:45,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:20:45,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082611614] [2021-08-21 14:20:45,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:45,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:20:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:45,625 INFO L134 CoverageAnalysis]: Checked inductivity of 876 backedges. 15 proven. 516 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2021-08-21 14:20:45,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:20:45,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082611614] [2021-08-21 14:20:45,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082611614] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:45,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513392008] [2021-08-21 14:20:45,626 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-21 14:20:45,626 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:20:45,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:20:45,629 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:20:45,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2021-08-21 14:20:47,670 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-21 14:20:47,670 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 14:20:47,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-21 14:20:47,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:20:48,501 INFO L134 CoverageAnalysis]: Checked inductivity of 876 backedges. 15 proven. 516 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2021-08-21 14:20:48,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513392008] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:48,502 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:20:48,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 17 [2021-08-21 14:20:48,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79355254] [2021-08-21 14:20:48,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-21 14:20:48,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:20:48,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-21 14:20:48,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-08-21 14:20:48,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:48,503 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:20:48,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 19.529411764705884) internal successors, (332), 17 states have internal predecessors, (332), 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) [2021-08-21 14:20:48,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:48,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:48,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:48,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:48,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:48,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:48,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:48,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:48,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:48,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:20:48,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:20:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:20:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:20:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:20:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-21 14:20:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-21 14:20:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:20:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:20:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:48,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:20:48,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:48,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:48,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:48,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:48,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:48,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:20:48,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:48,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:48,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:20:48,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:20:48,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:20:48,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:20:48,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:20:48,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:20:48,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-21 14:20:48,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-21 14:20:48,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:20:48,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:20:48,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:20:48,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:20:48,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:20:48,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2021-08-21 14:20:48,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2021-08-21 14:20:48,841 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:20:48,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:20:48,842 INFO L82 PathProgramCache]: Analyzing trace with hash 861672395, now seen corresponding path program 5 times [2021-08-21 14:20:48,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:20:48,842 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684557591] [2021-08-21 14:20:48,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:20:48,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:20:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:20:49,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 15 proven. 721 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2021-08-21 14:20:49,000 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:20:49,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684557591] [2021-08-21 14:20:49,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684557591] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:20:49,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013488904] [2021-08-21 14:20:49,000 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-21 14:20:49,000 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:20:49,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:20:49,001 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:20:49,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2021-08-21 14:23:57,780 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-08-21 14:23:57,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 14:23:57,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-21 14:23:57,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:23:58,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 15 proven. 721 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2021-08-21 14:23:58,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013488904] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:23:58,708 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:23:58,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 19 [2021-08-21 14:23:58,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756524982] [2021-08-21 14:23:58,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-21 14:23:58,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:23:58,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-21 14:23:58,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-08-21 14:23:58,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:23:58,709 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:23:58,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 19.263157894736842) internal successors, (366), 19 states have internal predecessors, (366), 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) [2021-08-21 14:23:58,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:23:58,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:23:58,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:23:58,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:23:58,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:23:58,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:23:58,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:23:58,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:23:58,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:23:58,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:23:58,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:23:58,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:23:58,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:23:58,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:23:58,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:23:58,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-21 14:23:58,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-21 14:23:58,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:23:58,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:23:58,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:23:58,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:23:58,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:23:58,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:23:58,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:23:58,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:23:58,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:23:58,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:23:58,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:23:58,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:23:58,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:23:58,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:23:58,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:23:58,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:23:58,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:23:58,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:23:58,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:23:58,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:23:58,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:23:58,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-21 14:23:58,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-21 14:23:58,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:23:58,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:23:58,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:23:58,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:23:58,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:23:58,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-21 14:23:58,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2021-08-21 14:23:59,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-08-21 14:23:59,080 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:23:59,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:23:59,080 INFO L82 PathProgramCache]: Analyzing trace with hash -957235429, now seen corresponding path program 6 times [2021-08-21 14:23:59,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:23:59,080 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385265954] [2021-08-21 14:23:59,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:23:59,081 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:23:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:23:59,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 15 proven. 960 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2021-08-21 14:23:59,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:23:59,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385265954] [2021-08-21 14:23:59,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385265954] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:23:59,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355864716] [2021-08-21 14:23:59,262 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-21 14:23:59,262 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:23:59,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:23:59,263 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:23:59,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2021-08-21 14:24:05,001 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-08-21 14:24:05,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 14:24:05,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-21 14:24:05,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:24:05,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 48 proven. 105 refuted. 0 times theorem prover too weak. 1167 trivial. 0 not checked. [2021-08-21 14:24:05,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355864716] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:24:05,928 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:24:05,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 12] total 29 [2021-08-21 14:24:05,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74080625] [2021-08-21 14:24:05,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-08-21 14:24:05,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:24:05,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-08-21 14:24:05,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=683, Unknown=0, NotChecked=0, Total=812 [2021-08-21 14:24:05,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:24:05,930 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:24:05,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 17.82758620689655) internal successors, (517), 29 states have internal predecessors, (517), 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) [2021-08-21 14:24:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:24:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:24:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:24:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:24:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:24:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:24:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:24:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:24:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:24:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:24:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-21 14:24:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-21 14:24:05,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:05,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:24:05,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:24:05,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:24:05,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:24:05,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-21 14:24:05,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:24:06,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:24:06,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:06,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:06,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:06,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:06,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:24:06,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:24:06,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:06,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:24:06,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:24:06,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:24:06,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:24:06,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:24:06,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:24:06,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:24:06,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-21 14:24:06,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-21 14:24:06,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:06,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:24:06,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:24:06,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:24:06,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:24:06,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-21 14:24:06,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-08-21 14:24:06,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2021-08-21 14:24:06,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2021-08-21 14:24:06,757 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:24:06,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:24:06,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1141518373, now seen corresponding path program 7 times [2021-08-21 14:24:06,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:24:06,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790459074] [2021-08-21 14:24:06,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:24:06,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:24:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:24:07,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1696 backedges. 15 proven. 1233 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2021-08-21 14:24:07,000 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:24:07,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790459074] [2021-08-21 14:24:07,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790459074] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:24:07,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861315849] [2021-08-21 14:24:07,000 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-21 14:24:07,000 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:24:07,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:24:07,005 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:24:07,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2021-08-21 14:24:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:24:09,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 20 conjunts are in the unsatisfiable core [2021-08-21 14:24:09,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:24:10,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1696 backedges. 15 proven. 1233 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2021-08-21 14:24:10,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861315849] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:24:10,443 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:24:10,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 23 [2021-08-21 14:24:10,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711702841] [2021-08-21 14:24:10,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-08-21 14:24:10,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:24:10,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-08-21 14:24:10,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-08-21 14:24:10,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:24:10,444 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:24:10,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 18.869565217391305) internal successors, (434), 23 states have internal predecessors, (434), 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) [2021-08-21 14:24:10,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:24:10,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:10,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:10,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:10,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:10,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:24:10,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:24:10,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:10,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:24:10,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:24:10,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:24:10,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:24:10,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:24:10,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:24:10,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:24:10,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-21 14:24:10,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-21 14:24:10,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:10,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:24:10,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:24:10,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:24:10,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:24:10,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-21 14:24:10,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-08-21 14:24:10,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:24:10,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:24:10,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:10,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:10,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:10,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:10,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:24:10,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:24:10,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:10,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:24:10,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:24:10,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:24:10,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:24:10,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:24:10,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:24:10,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:24:10,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-21 14:24:10,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-21 14:24:10,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:10,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:24:10,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:24:10,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:24:10,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:24:10,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-21 14:24:10,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-08-21 14:24:10,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-21 14:24:10,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2021-08-21 14:24:10,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-08-21 14:24:10,880 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:24:10,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:24:10,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1277034283, now seen corresponding path program 8 times [2021-08-21 14:24:10,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:24:10,880 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263834447] [2021-08-21 14:24:10,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:24:10,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:24:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:24:11,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2003 backedges. 2 proven. 208 refuted. 0 times theorem prover too weak. 1793 trivial. 0 not checked. [2021-08-21 14:24:11,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:24:11,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263834447] [2021-08-21 14:24:11,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263834447] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:24:11,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107417569] [2021-08-21 14:24:11,009 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-21 14:24:11,009 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:24:11,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:24:11,021 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:24:11,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2021-08-21 14:24:13,611 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-21 14:24:13,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 14:24:13,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-21 14:24:13,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:24:14,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2003 backedges. 2 proven. 208 refuted. 0 times theorem prover too weak. 1793 trivial. 0 not checked. [2021-08-21 14:24:14,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107417569] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:24:14,606 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:24:14,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-08-21 14:24:14,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571452982] [2021-08-21 14:24:14,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-21 14:24:14,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:24:14,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-21 14:24:14,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-08-21 14:24:14,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:24:14,607 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:24:14,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 19.615384615384617) internal successors, (255), 13 states have internal predecessors, (255), 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) [2021-08-21 14:24:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:24:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:24:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:24:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:24:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:24:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:24:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:24:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:24:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:24:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:24:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-21 14:24:14,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-21 14:24:14,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:14,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:24:14,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:24:14,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:24:14,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:24:14,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-21 14:24:14,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-08-21 14:24:14,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-21 14:24:14,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:24:14,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:24:14,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:14,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:14,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:14,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:14,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:24:14,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:24:14,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:14,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:24:14,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:24:14,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:24:14,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:24:14,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:24:14,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:24:14,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:24:14,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-21 14:24:14,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-21 14:24:14,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:14,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:24:14,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:24:14,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:24:14,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:24:14,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-21 14:24:14,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-08-21 14:24:14,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-21 14:24:14,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:24:14,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2021-08-21 14:24:14,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:24:14,896 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:24:14,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:24:14,896 INFO L82 PathProgramCache]: Analyzing trace with hash 372312219, now seen corresponding path program 9 times [2021-08-21 14:24:14,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:24:14,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494088447] [2021-08-21 14:24:14,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:24:14,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:24:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:24:15,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2140 backedges. 2 proven. 345 refuted. 0 times theorem prover too weak. 1793 trivial. 0 not checked. [2021-08-21 14:24:15,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:24:15,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494088447] [2021-08-21 14:24:15,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494088447] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:24:15,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652793326] [2021-08-21 14:24:15,054 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-21 14:24:15,054 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:24:15,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:24:15,057 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:24:15,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2021-08-21 14:24:20,676 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-08-21 14:24:20,677 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 14:24:20,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-21 14:24:20,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:24:21,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2140 backedges. 2 proven. 345 refuted. 0 times theorem prover too weak. 1793 trivial. 0 not checked. [2021-08-21 14:24:21,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652793326] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:24:21,767 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:24:21,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15 [2021-08-21 14:24:21,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070921343] [2021-08-21 14:24:21,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-21 14:24:21,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:24:21,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-21 14:24:21,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-08-21 14:24:21,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:24:21,768 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:24:21,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 19.266666666666666) internal successors, (289), 15 states have internal predecessors, (289), 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) [2021-08-21 14:24:21,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:24:21,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:21,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:21,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:21,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:21,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:24:21,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:24:21,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:21,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:24:21,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:24:21,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:24:21,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:24:21,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:24:21,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:24:21,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:24:21,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-21 14:24:21,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-21 14:24:21,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:21,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:24:21,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:24:21,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:24:21,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:24:21,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-21 14:24:21,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-08-21 14:24:21,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-21 14:24:21,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:24:21,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:24:21,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:24:21,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:21,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:21,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:21,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:21,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:24:21,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:24:21,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:21,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:24:21,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:24:21,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:24:21,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:24:21,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:24:21,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:24:21,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:24:21,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-21 14:24:21,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-21 14:24:21,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:21,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:24:21,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:24:21,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:24:21,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:24:21,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-21 14:24:21,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-08-21 14:24:21,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-21 14:24:21,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:24:21,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:24:21,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2021-08-21 14:24:22,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-08-21 14:24:22,085 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:24:22,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:24:22,085 INFO L82 PathProgramCache]: Analyzing trace with hash 957724171, now seen corresponding path program 10 times [2021-08-21 14:24:22,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:24:22,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668422861] [2021-08-21 14:24:22,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:24:22,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:24:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:24:22,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2311 backedges. 2 proven. 516 refuted. 0 times theorem prover too weak. 1793 trivial. 0 not checked. [2021-08-21 14:24:22,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:24:22,256 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668422861] [2021-08-21 14:24:22,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668422861] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:24:22,256 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258918816] [2021-08-21 14:24:22,256 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-21 14:24:22,256 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:24:22,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:24:22,257 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:24:22,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2021-08-21 14:24:25,058 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-21 14:24:25,058 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 14:24:25,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 1009 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-21 14:24:25,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 14:24:26,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2311 backedges. 2 proven. 516 refuted. 0 times theorem prover too weak. 1793 trivial. 0 not checked. [2021-08-21 14:24:26,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258918816] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:24:26,227 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 14:24:26,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 17 [2021-08-21 14:24:26,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974926395] [2021-08-21 14:24:26,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-21 14:24:26,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:24:26,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-21 14:24:26,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-08-21 14:24:26,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:24:26,228 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:24:26,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 19.0) internal successors, (323), 17 states have internal predecessors, (323), 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) [2021-08-21 14:24:26,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:24:26,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:26,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:26,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:26,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:26,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:24:26,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:24:26,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:26,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:24:26,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:24:26,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:24:26,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:24:26,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:24:26,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:24:26,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:24:26,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-21 14:24:26,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-21 14:24:26,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:26,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:24:26,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:24:26,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:24:26,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:24:26,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-21 14:24:26,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-08-21 14:24:26,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-21 14:24:26,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:24:26,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:24:26,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:24:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:24:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:24:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:24:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:24:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:24:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:24:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:24:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:24:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:24:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:24:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-21 14:24:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-21 14:24:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:24:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:24:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:24:26,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:24:26,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:24:26,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-21 14:24:26,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-08-21 14:24:26,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-21 14:24:26,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:24:26,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:24:26,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:24:26,412 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2021-08-21 14:24:26,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-08-21 14:24:26,585 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 14:24:26,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 14:24:26,586 INFO L82 PathProgramCache]: Analyzing trace with hash 459474811, now seen corresponding path program 11 times [2021-08-21 14:24:26,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 14:24:26,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518073756] [2021-08-21 14:24:26,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 14:24:26,586 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 14:24:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 14:24:26,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2516 backedges. 2 proven. 721 refuted. 0 times theorem prover too weak. 1793 trivial. 0 not checked. [2021-08-21 14:24:26,776 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 14:24:26,776 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518073756] [2021-08-21 14:24:26,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518073756] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 14:24:26,776 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777876710] [2021-08-21 14:24:26,776 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-21 14:24:26,776 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 14:24:26,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 14:24:26,777 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 14:24:26,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process Received shutdown request... [2021-08-21 14:33:10,402 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (21)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-21 14:33:10,403 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-21 14:33:10,403 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-21 14:33:10,403 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-21 14:33:11,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (21)] Forceful destruction successful, exit code 0 [2021-08-21 14:33:11,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-21 14:33:11,437 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 [2021-08-21 14:33:11,612 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forcibly destroying the process [2021-08-21 14:33:11,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 137 [2021-08-21 14:33:11,661 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-21 14:33:11,661 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-08-21 14:33:11,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2021-08-21 14:33:11,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349408304] [2021-08-21 14:33:11,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-21 14:33:11,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 14:33:11,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-21 14:33:11,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-08-21 14:33:11,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:33:11,662 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 14:33:11,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 19.0) internal successors, (323), 17 states have internal predecessors, (323), 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) [2021-08-21 14:33:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:33:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:33:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:33:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:33:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:33:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:33:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 14:33:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:33:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:33:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-21 14:33:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-21 14:33:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:33:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:33:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-21 14:33:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-21 14:33:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-21 14:33:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-21 14:33:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 14:33:11,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-21 14:33:11,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:33:11,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-21 14:33:11,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:33:11,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-21 14:33:11,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-08-21 14:33:11,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-21 14:33:11,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-21 14:33:11,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-21 14:33:11,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-21 14:33:11,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 14:33:11,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-08-21 14:33:11,663 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2021-08-21 14:33:11,663 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 14:33:11,663 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 14:33:11,663 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-21 14:33:11,664 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 14:33:11,664 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 14:33:11,664 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 14:33:11,666 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2021-08-21 14:33:11,666 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-21 14:33:11,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 02:33:11 BasicIcfg [2021-08-21 14:33:11,667 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-21 14:33:11,668 INFO L168 Benchmark]: Toolchain (without parser) took 853804.83 ms. Allocated memory was 203.4 MB in the beginning and 4.8 GB in the end (delta: 4.6 GB). Free memory was 166.2 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 3.0 GB. Max. memory is 8.0 GB. [2021-08-21 14:33:11,668 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 203.4 MB. Free memory is still 184.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-21 14:33:11,668 INFO L168 Benchmark]: CACSL2BoogieTranslator took 486.84 ms. Allocated memory is still 203.4 MB. Free memory was 166.1 MB in the beginning and 166.4 MB in the end (delta: -301.0 kB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-08-21 14:33:11,668 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.34 ms. Allocated memory is still 203.4 MB. Free memory was 166.4 MB in the beginning and 163.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-21 14:33:11,668 INFO L168 Benchmark]: Boogie Preprocessor took 20.72 ms. Allocated memory is still 203.4 MB. Free memory was 163.7 MB in the beginning and 161.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-21 14:33:11,668 INFO L168 Benchmark]: RCFGBuilder took 611.61 ms. Allocated memory is still 203.4 MB. Free memory was 161.6 MB in the beginning and 118.1 MB in the end (delta: 43.5 MB). Peak memory consumption was 43.0 MB. Max. memory is 8.0 GB. [2021-08-21 14:33:11,669 INFO L168 Benchmark]: TraceAbstraction took 852647.66 ms. Allocated memory was 203.4 MB in the beginning and 4.8 GB in the end (delta: 4.6 GB). Free memory was 117.6 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 3.0 GB. Max. memory is 8.0 GB. [2021-08-21 14:33:11,670 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 203.4 MB. Free memory is still 184.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 486.84 ms. Allocated memory is still 203.4 MB. Free memory was 166.1 MB in the beginning and 166.4 MB in the end (delta: -301.0 kB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 32.34 ms. Allocated memory is still 203.4 MB. Free memory was 166.4 MB in the beginning and 163.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 20.72 ms. Allocated memory is still 203.4 MB. Free memory was 163.7 MB in the beginning and 161.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 611.61 ms. Allocated memory is still 203.4 MB. Free memory was 161.6 MB in the beginning and 118.1 MB in the end (delta: 43.5 MB). Peak memory consumption was 43.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 852647.66 ms. Allocated memory was 203.4 MB in the beginning and 4.8 GB in the end (delta: 4.6 GB). Free memory was 117.6 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 3.0 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 922]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 922]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 947]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 922]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 246 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 56203.5ms, OverallIterations: 22, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 148.2ms, PartialOrderReductionTime: 2832.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=5920occurred in iteration=0, InterpolantAutomatonStates: 339, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 406.2ms SsaConstructionTime, 31892.5ms SatisfiabilityAnalysisTime, 10298.9ms InterpolantComputationTime, 7653 NumberOfCodeBlocks, 7561 NumberOfCodeBlocksAsserted, 85 NumberOfCheckSat, 7181 ConstructedInterpolants, 0 QuantifiedInterpolants, 13749 SizeOfPredicates, 154 NumberOfNonLiveVariables, 6405 ConjunctsInSsa, 190 ConjunctsInUnsatCore, 39 InterpolantComputations, 6 PerfectInterpolantSequences, 4437/13647 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 4 procedures, 300 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 796285.1ms, OverallIterations: 29, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7852.5ms, PartialOrderReductionTime: 3545.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=321571occurred in iteration=0, InterpolantAutomatonStates: 451, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 670.3ms SsaConstructionTime, 196140.9ms SatisfiabilityAnalysisTime, 16602.3ms InterpolantComputationTime, 17102 NumberOfCodeBlocks, 15985 NumberOfCodeBlocksAsserted, 95 NumberOfCheckSat, 17049 ConstructedInterpolants, 0 QuantifiedInterpolants, 26503 SizeOfPredicates, 176 NumberOfNonLiveVariables, 12416 ConjunctsInSsa, 226 ConjunctsInUnsatCore, 53 InterpolantComputations, 7 PerfectInterpolantSequences, 21879/32680 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown