/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_72-funloop_hard_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-13 19:09:41,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-13 19:09:41,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-13 19:09:41,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-13 19:09:41,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-13 19:09:41,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-13 19:09:41,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-13 19:09:41,677 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-07-13 19:09:41,696 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-13 19:09:41,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-13 19:09:41,697 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-13 19:09:41,697 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-13 19:09:41,699 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-13 19:09:41,699 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-13 19:09:41,699 INFO L138 SettingsManager]: * Use SBE=true [2021-07-13 19:09:41,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-13 19:09:41,700 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-13 19:09:41,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-13 19:09:41,700 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-13 19:09:41,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-13 19:09:41,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-13 19:09:41,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-13 19:09:41,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-13 19:09:41,701 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-13 19:09:41,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-13 19:09:41,701 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-13 19:09:41,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-13 19:09:41,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-13 19:09:41,701 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-13 19:09:41,701 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-13 19:09:41,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-13 19:09:41,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 19:09:41,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-13 19:09:41,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-13 19:09:41,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-13 19:09:41,702 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-13 19:09:41,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-13 19:09:41,702 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-13 19:09:41,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-13 19:09:41,703 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-13 19:09:41,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-13 19:09:41,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-13 19:09:41,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-13 19:09:41,949 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-13 19:09:41,949 INFO L275 PluginConnector]: CDTParser initialized [2021-07-13 19:09:41,950 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_72-funloop_hard_racing.i [2021-07-13 19:09:42,001 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15ce84d91/b939ef7fe76d4999898c6f22a2549986/FLAG81c5227d4 [2021-07-13 19:09:42,537 INFO L306 CDTParser]: Found 1 translation units. [2021-07-13 19:09:42,538 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_72-funloop_hard_racing.i [2021-07-13 19:09:42,551 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15ce84d91/b939ef7fe76d4999898c6f22a2549986/FLAG81c5227d4 [2021-07-13 19:09:42,979 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15ce84d91/b939ef7fe76d4999898c6f22a2549986 [2021-07-13 19:09:42,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-13 19:09:42,981 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-13 19:09:42,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-13 19:09:42,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-13 19:09:42,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-13 19:09:42,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 07:09:42" (1/1) ... [2021-07-13 19:09:42,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24de1e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:09:42, skipping insertion in model container [2021-07-13 19:09:42,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 07:09:42" (1/1) ... [2021-07-13 19:09:42,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-13 19:09:43,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-13 19:09:43,240 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_72-funloop_hard_racing.i[41060,41073] [2021-07-13 19:09:43,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-13 19:09:43,263 INFO L203 MainTranslator]: Completed pre-run [2021-07-13 19:09:43,282 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_72-funloop_hard_racing.i[41060,41073] [2021-07-13 19:09:43,288 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-13 19:09:43,323 INFO L208 MainTranslator]: Completed translation [2021-07-13 19:09:43,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:09:43 WrapperNode [2021-07-13 19:09:43,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-13 19:09:43,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-13 19:09:43,325 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-13 19:09:43,325 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-13 19:09:43,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:09:43" (1/1) ... [2021-07-13 19:09:43,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:09:43" (1/1) ... [2021-07-13 19:09:43,379 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-13 19:09:43,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-13 19:09:43,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-13 19:09:43,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-13 19:09:43,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:09:43" (1/1) ... [2021-07-13 19:09:43,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:09:43" (1/1) ... [2021-07-13 19:09:43,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:09:43" (1/1) ... [2021-07-13 19:09:43,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:09:43" (1/1) ... [2021-07-13 19:09:43,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:09:43" (1/1) ... [2021-07-13 19:09:43,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:09:43" (1/1) ... [2021-07-13 19:09:43,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:09:43" (1/1) ... [2021-07-13 19:09:43,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-13 19:09:43,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-13 19:09:43,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-13 19:09:43,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-13 19:09:43,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:09:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 19:09:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-13 19:09:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-13 19:09:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-13 19:09:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-13 19:09:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-13 19:09:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-07-13 19:09:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-07-13 19:09:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-13 19:09:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-13 19:09:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-13 19:09:43,490 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-13 19:09:43,892 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-13 19:09:43,892 INFO L299 CfgBuilder]: Removed 49 assume(true) statements. [2021-07-13 19:09:43,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 07:09:43 BoogieIcfgContainer [2021-07-13 19:09:43,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-13 19:09:43,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-13 19:09:43,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-13 19:09:43,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-13 19:09:43,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 07:09:42" (1/3) ... [2021-07-13 19:09:43,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@123ef392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 07:09:43, skipping insertion in model container [2021-07-13 19:09:43,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:09:43" (2/3) ... [2021-07-13 19:09:43,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@123ef392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 07:09:43, skipping insertion in model container [2021-07-13 19:09:43,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 07:09:43" (3/3) ... [2021-07-13 19:09:43,898 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_72-funloop_hard_racing.i [2021-07-13 19:09:43,906 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-13 19:09:43,906 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-13 19:09:43,906 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-07-13 19:09:43,906 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-13 19:09:43,942 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,942 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,942 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,942 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,942 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,942 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,942 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,942 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,943 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,943 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,943 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,943 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,943 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,945 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,946 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,946 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,946 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,947 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,947 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,947 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,947 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,947 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,947 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,947 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,947 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,948 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,949 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,949 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,949 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,949 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,949 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,949 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,949 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,949 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,949 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,951 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,951 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,951 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,951 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,951 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,951 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,951 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,951 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,951 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,951 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,951 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,951 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,951 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,952 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,952 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,952 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,952 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,952 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,952 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,953 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,953 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,953 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,953 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,953 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,953 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,953 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,953 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,953 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,953 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,954 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,954 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,954 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,955 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,955 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,955 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,955 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,955 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,955 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,955 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,956 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,956 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,956 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,956 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,956 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,956 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,956 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,956 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,956 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,957 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,957 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,957 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,957 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,958 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,958 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,959 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,961 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,961 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,961 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,961 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,965 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,966 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,966 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,966 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,966 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,966 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,966 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,966 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,966 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,966 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,966 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,966 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,966 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,967 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,967 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,967 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,967 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,967 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,968 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,968 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,968 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,968 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,968 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,968 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,968 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,968 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,968 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,968 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,968 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,968 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,968 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,968 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,969 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,969 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,969 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,969 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,969 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,969 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,969 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,969 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,970 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,970 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,970 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,970 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,971 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,971 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,971 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,971 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,971 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,971 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,971 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,971 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,971 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,971 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,971 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,972 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,972 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,972 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,972 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,974 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,974 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,974 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,981 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,981 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,982 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,982 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,982 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,982 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,982 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,982 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,982 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,982 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,982 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,982 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,982 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,982 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,983 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,983 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,983 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,983 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,983 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:09:43,988 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-07-13 19:09:44,007 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-13 19:09:44,026 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-13 19:09:44,026 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-13 19:09:44,026 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-13 19:09:44,026 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-13 19:09:44,026 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-13 19:09:44,026 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-13 19:09:44,026 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-13 19:09:44,026 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == t_funThread1of1ForFork0======== [2021-07-13 19:09:44,037 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 197 places, 239 transitions, 486 flow [2021-07-13 19:09:44,167 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 5722 states, 5716 states have (on average 2.472183344996501) internal successors, (14131), 5721 states have internal predecessors, (14131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:44,177 INFO L276 IsEmpty]: Start isEmpty. Operand has 5722 states, 5716 states have (on average 2.472183344996501) internal successors, (14131), 5721 states have internal predecessors, (14131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:44,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-07-13 19:09:44,202 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:09:44,202 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:09:44,202 INFO L430 AbstractCegarLoop]: === Iteration 1 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:09:44,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:09:44,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1324480823, now seen corresponding path program 1 times [2021-07-13 19:09:44,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:09:44,214 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100235836] [2021-07-13 19:09:44,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:09:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:09:44,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:09:44,366 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:09:44,366 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100235836] [2021-07-13 19:09:44,366 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100235836] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 19:09:44,367 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 19:09:44,367 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-13 19:09:44,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551223449] [2021-07-13 19:09:44,370 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-13 19:09:44,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:09:44,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-13 19:09:44,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-13 19:09:44,390 INFO L87 Difference]: Start difference. First operand has 5722 states, 5716 states have (on average 2.472183344996501) internal successors, (14131), 5721 states have internal predecessors, (14131), 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) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:44,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:09:44,478 INFO L93 Difference]: Finished difference Result 5511 states and 11198 transitions. [2021-07-13 19:09:44,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 19:09:44,479 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 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) Word has length 47 [2021-07-13 19:09:44,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:09:44,512 INFO L225 Difference]: With dead ends: 5511 [2021-07-13 19:09:44,513 INFO L226 Difference]: Without dead ends: 5481 [2021-07-13 19:09:44,517 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-13 19:09:44,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5481 states. [2021-07-13 19:09:44,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5481 to 5481. [2021-07-13 19:09:44,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5481 states, 5476 states have (on average 2.0345142439737036) internal successors, (11141), 5480 states have internal predecessors, (11141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:44,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5481 states to 5481 states and 11141 transitions. [2021-07-13 19:09:44,729 INFO L78 Accepts]: Start accepts. Automaton has 5481 states and 11141 transitions. Word has length 47 [2021-07-13 19:09:44,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:09:44,730 INFO L482 AbstractCegarLoop]: Abstraction has 5481 states and 11141 transitions. [2021-07-13 19:09:44,731 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:44,731 INFO L276 IsEmpty]: Start isEmpty. Operand 5481 states and 11141 transitions. [2021-07-13 19:09:44,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-07-13 19:09:44,734 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:09:44,734 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:09:44,734 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-13 19:09:44,734 INFO L430 AbstractCegarLoop]: === Iteration 2 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:09:44,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:09:44,736 INFO L82 PathProgramCache]: Analyzing trace with hash 2017582520, now seen corresponding path program 1 times [2021-07-13 19:09:44,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:09:44,736 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386421609] [2021-07-13 19:09:44,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:09:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:09:44,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:09:44,813 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:09:44,813 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386421609] [2021-07-13 19:09:44,813 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386421609] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 19:09:44,814 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 19:09:44,814 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-13 19:09:44,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22484092] [2021-07-13 19:09:44,815 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-13 19:09:44,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:09:44,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-13 19:09:44,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-13 19:09:44,815 INFO L87 Difference]: Start difference. First operand 5481 states and 11141 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:44,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:09:44,886 INFO L93 Difference]: Finished difference Result 5485 states and 11145 transitions. [2021-07-13 19:09:44,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 19:09:44,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) Word has length 47 [2021-07-13 19:09:44,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:09:44,903 INFO L225 Difference]: With dead ends: 5485 [2021-07-13 19:09:44,903 INFO L226 Difference]: Without dead ends: 5485 [2021-07-13 19:09:44,904 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-13 19:09:44,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5485 states. [2021-07-13 19:09:45,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5485 to 5482. [2021-07-13 19:09:45,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5482 states, 5477 states have (on average 2.034325360598868) internal successors, (11142), 5481 states have internal predecessors, (11142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:45,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5482 states to 5482 states and 11142 transitions. [2021-07-13 19:09:45,026 INFO L78 Accepts]: Start accepts. Automaton has 5482 states and 11142 transitions. Word has length 47 [2021-07-13 19:09:45,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:09:45,027 INFO L482 AbstractCegarLoop]: Abstraction has 5482 states and 11142 transitions. [2021-07-13 19:09:45,028 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:45,028 INFO L276 IsEmpty]: Start isEmpty. Operand 5482 states and 11142 transitions. [2021-07-13 19:09:45,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-07-13 19:09:45,030 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:09:45,030 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:09:45,030 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-13 19:09:45,030 INFO L430 AbstractCegarLoop]: === Iteration 3 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:09:45,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:09:45,031 INFO L82 PathProgramCache]: Analyzing trace with hash -135502187, now seen corresponding path program 1 times [2021-07-13 19:09:45,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:09:45,031 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739479181] [2021-07-13 19:09:45,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:09:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:09:45,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:09:45,113 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:09:45,113 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739479181] [2021-07-13 19:09:45,113 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739479181] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:09:45,113 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068343117] [2021-07-13 19:09:45,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:09:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:09:45,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-13 19:09:45,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:09:45,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:09:45,386 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068343117] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:09:45,386 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:09:45,386 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-07-13 19:09:45,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92681642] [2021-07-13 19:09:45,387 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-13 19:09:45,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:09:45,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-13 19:09:45,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-13 19:09:45,388 INFO L87 Difference]: Start difference. First operand 5482 states and 11142 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:45,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:09:45,480 INFO L93 Difference]: Finished difference Result 5490 states and 11150 transitions. [2021-07-13 19:09:45,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 19:09:45,480 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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) Word has length 52 [2021-07-13 19:09:45,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:09:45,494 INFO L225 Difference]: With dead ends: 5490 [2021-07-13 19:09:45,494 INFO L226 Difference]: Without dead ends: 5490 [2021-07-13 19:09:45,495 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 27.0ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-07-13 19:09:45,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5490 states. [2021-07-13 19:09:45,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5490 to 5487. [2021-07-13 19:09:45,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5487 states, 5482 states have (on average 2.033381977380518) internal successors, (11147), 5486 states have internal predecessors, (11147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:45,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5487 states to 5487 states and 11147 transitions. [2021-07-13 19:09:45,610 INFO L78 Accepts]: Start accepts. Automaton has 5487 states and 11147 transitions. Word has length 52 [2021-07-13 19:09:45,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:09:45,610 INFO L482 AbstractCegarLoop]: Abstraction has 5487 states and 11147 transitions. [2021-07-13 19:09:45,610 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:45,610 INFO L276 IsEmpty]: Start isEmpty. Operand 5487 states and 11147 transitions. [2021-07-13 19:09:45,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-07-13 19:09:45,612 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:09:45,613 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:09:45,828 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-07-13 19:09:45,829 INFO L430 AbstractCegarLoop]: === Iteration 4 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:09:45,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:09:45,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1052106712, now seen corresponding path program 2 times [2021-07-13 19:09:45,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:09:45,829 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406108486] [2021-07-13 19:09:45,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:09:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:09:45,913 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:09:45,913 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:09:45,913 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406108486] [2021-07-13 19:09:45,913 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406108486] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:09:45,913 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172236685] [2021-07-13 19:09:45,913 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:09:45,986 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-07-13 19:09:45,986 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:09:45,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-13 19:09:45,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:09:46,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-07-13 19:09:46,041 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:09:46,043 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:46,043 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:09:46,043 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-07-13 19:09:46,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-07-13 19:09:46,063 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:09:46,067 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:46,068 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:09:46,068 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-07-13 19:09:46,161 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-13 19:09:46,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-07-13 19:09:46,166 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:09:46,169 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:46,169 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:09:46,170 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2021-07-13 19:09:46,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-07-13 19:09:46,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-13 19:09:46,223 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 19:09:46,227 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:46,228 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:09:46,232 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:46,235 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:09:46,235 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:26, output treesize:6 [2021-07-13 19:09:46,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-07-13 19:09:46,296 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:09:46,297 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:46,298 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 19:09:46,298 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:14, output treesize:6 [2021-07-13 19:09:46,350 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-13 19:09:46,350 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172236685] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 19:09:46,350 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-13 19:09:46,350 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [7] total 16 [2021-07-13 19:09:46,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728941149] [2021-07-13 19:09:46,350 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-13 19:09:46,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:09:46,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-13 19:09:46,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-07-13 19:09:46,351 INFO L87 Difference]: Start difference. First operand 5487 states and 11147 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:47,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:09:47,311 INFO L93 Difference]: Finished difference Result 15621 states and 31752 transitions. [2021-07-13 19:09:47,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-13 19:09:47,328 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 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) Word has length 57 [2021-07-13 19:09:47,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:09:47,359 INFO L225 Difference]: With dead ends: 15621 [2021-07-13 19:09:47,360 INFO L226 Difference]: Without dead ends: 15621 [2021-07-13 19:09:47,360 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 456.1ms TimeCoverageRelationStatistics Valid=389, Invalid=1503, Unknown=0, NotChecked=0, Total=1892 [2021-07-13 19:09:47,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15621 states. [2021-07-13 19:09:47,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15621 to 8054. [2021-07-13 19:09:47,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8054 states, 8049 states have (on average 2.0392595353460057) internal successors, (16414), 8053 states have internal predecessors, (16414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:47,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8054 states to 8054 states and 16414 transitions. [2021-07-13 19:09:47,531 INFO L78 Accepts]: Start accepts. Automaton has 8054 states and 16414 transitions. Word has length 57 [2021-07-13 19:09:47,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:09:47,531 INFO L482 AbstractCegarLoop]: Abstraction has 8054 states and 16414 transitions. [2021-07-13 19:09:47,531 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:47,531 INFO L276 IsEmpty]: Start isEmpty. Operand 8054 states and 16414 transitions. [2021-07-13 19:09:47,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-07-13 19:09:47,534 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:09:47,534 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:09:47,750 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:09:47,750 INFO L430 AbstractCegarLoop]: === Iteration 5 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:09:47,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:09:47,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1250079226, now seen corresponding path program 1 times [2021-07-13 19:09:47,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:09:47,751 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196413664] [2021-07-13 19:09:47,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:09:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:09:47,793 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-13 19:09:47,793 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:09:47,793 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196413664] [2021-07-13 19:09:47,793 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196413664] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:09:47,793 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232294045] [2021-07-13 19:09:47,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:09:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:09:47,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-13 19:09:47,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:09:47,937 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-13 19:09:47,937 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232294045] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:09:47,937 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:09:47,937 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-07-13 19:09:47,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118365336] [2021-07-13 19:09:47,938 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-13 19:09:47,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:09:47,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-13 19:09:47,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-07-13 19:09:47,938 INFO L87 Difference]: Start difference. First operand 8054 states and 16414 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:48,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:09:48,026 INFO L93 Difference]: Finished difference Result 8062 states and 16422 transitions. [2021-07-13 19:09:48,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 19:09:48,027 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 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) Word has length 66 [2021-07-13 19:09:48,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:09:48,040 INFO L225 Difference]: With dead ends: 8062 [2021-07-13 19:09:48,040 INFO L226 Difference]: Without dead ends: 8062 [2021-07-13 19:09:48,040 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 40.8ms TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-07-13 19:09:48,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8062 states. [2021-07-13 19:09:48,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8062 to 8059. [2021-07-13 19:09:48,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8059 states, 8054 states have (on average 2.038614353116464) internal successors, (16419), 8058 states have internal predecessors, (16419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:48,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8059 states to 8059 states and 16419 transitions. [2021-07-13 19:09:48,186 INFO L78 Accepts]: Start accepts. Automaton has 8059 states and 16419 transitions. Word has length 66 [2021-07-13 19:09:48,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:09:48,186 INFO L482 AbstractCegarLoop]: Abstraction has 8059 states and 16419 transitions. [2021-07-13 19:09:48,187 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:48,187 INFO L276 IsEmpty]: Start isEmpty. Operand 8059 states and 16419 transitions. [2021-07-13 19:09:48,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-07-13 19:09:48,190 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:09:48,190 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:09:48,409 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:09:48,409 INFO L430 AbstractCegarLoop]: === Iteration 6 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:09:48,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:09:48,410 INFO L82 PathProgramCache]: Analyzing trace with hash 573298185, now seen corresponding path program 2 times [2021-07-13 19:09:48,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:09:48,410 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112397203] [2021-07-13 19:09:48,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:09:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:09:48,464 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-13 19:09:48,464 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:09:48,464 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112397203] [2021-07-13 19:09:48,465 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112397203] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:09:48,465 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660166968] [2021-07-13 19:09:48,465 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:09:48,584 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 19:09:48,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:09:48,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-13 19:09:48,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:09:48,677 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-13 19:09:48,678 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660166968] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:09:48,678 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:09:48,678 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-07-13 19:09:48,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867742536] [2021-07-13 19:09:48,678 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-13 19:09:48,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:09:48,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-13 19:09:48,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-07-13 19:09:48,679 INFO L87 Difference]: Start difference. First operand 8059 states and 16419 transitions. Second operand has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:48,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:09:48,760 INFO L93 Difference]: Finished difference Result 8067 states and 16427 transitions. [2021-07-13 19:09:48,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 19:09:48,760 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 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) Word has length 71 [2021-07-13 19:09:48,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:09:48,774 INFO L225 Difference]: With dead ends: 8067 [2021-07-13 19:09:48,774 INFO L226 Difference]: Without dead ends: 8067 [2021-07-13 19:09:48,774 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 69.7ms TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2021-07-13 19:09:48,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8067 states. [2021-07-13 19:09:48,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8067 to 8064. [2021-07-13 19:09:48,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8064 states, 8059 states have (on average 2.037969971460479) internal successors, (16424), 8063 states have internal predecessors, (16424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:48,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8064 states to 8064 states and 16424 transitions. [2021-07-13 19:09:48,900 INFO L78 Accepts]: Start accepts. Automaton has 8064 states and 16424 transitions. Word has length 71 [2021-07-13 19:09:48,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:09:48,901 INFO L482 AbstractCegarLoop]: Abstraction has 8064 states and 16424 transitions. [2021-07-13 19:09:48,901 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:48,901 INFO L276 IsEmpty]: Start isEmpty. Operand 8064 states and 16424 transitions. [2021-07-13 19:09:48,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-07-13 19:09:48,904 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:09:48,904 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:09:49,125 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:09:49,126 INFO L430 AbstractCegarLoop]: === Iteration 7 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:09:49,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:09:49,126 INFO L82 PathProgramCache]: Analyzing trace with hash -1972316186, now seen corresponding path program 3 times [2021-07-13 19:09:49,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:09:49,126 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419109274] [2021-07-13 19:09:49,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:09:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:09:49,224 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-13 19:09:49,224 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:09:49,224 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419109274] [2021-07-13 19:09:49,224 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419109274] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:09:49,224 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373099586] [2021-07-13 19:09:49,224 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:09:49,296 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-13 19:09:49,296 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:09:49,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 19:09:49,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:09:49,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-07-13 19:09:49,317 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:09:49,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:49,319 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:09:49,319 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-07-13 19:09:49,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-07-13 19:09:49,331 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:09:49,334 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:49,335 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:09:49,335 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-07-13 19:09:49,386 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-13 19:09:49,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-07-13 19:09:49,388 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:09:49,391 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:49,391 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:09:49,391 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2021-07-13 19:09:49,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-07-13 19:09:49,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-13 19:09:49,417 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 19:09:49,420 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:49,421 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:09:49,425 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:49,425 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:09:49,426 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:26, output treesize:11 [2021-07-13 19:09:49,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-07-13 19:09:49,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-13 19:09:49,562 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 19:09:49,565 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:49,565 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:09:49,569 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:49,570 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:09:49,571 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:26, output treesize:6 [2021-07-13 19:09:49,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-07-13 19:09:49,587 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:09:49,588 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:49,589 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 19:09:49,589 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:14, output treesize:6 [2021-07-13 19:09:49,629 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-07-13 19:09:49,629 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373099586] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:09:49,629 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:09:49,629 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-13 19:09:49,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880919679] [2021-07-13 19:09:49,630 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-13 19:09:49,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:09:49,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-13 19:09:49,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2021-07-13 19:09:49,631 INFO L87 Difference]: Start difference. First operand 8064 states and 16424 transitions. Second operand has 20 states, 20 states have (on average 5.95) internal successors, (119), 20 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:50,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:09:50,964 INFO L93 Difference]: Finished difference Result 15689 states and 31873 transitions. [2021-07-13 19:09:50,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 19:09:50,965 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.95) internal successors, (119), 20 states have internal predecessors, (119), 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) Word has length 76 [2021-07-13 19:09:50,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:09:50,993 INFO L225 Difference]: With dead ends: 15689 [2021-07-13 19:09:50,993 INFO L226 Difference]: Without dead ends: 15689 [2021-07-13 19:09:50,994 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 703 ImplicationChecksByTransitivity, 585.1ms TimeCoverageRelationStatistics Valid=481, Invalid=2599, Unknown=0, NotChecked=0, Total=3080 [2021-07-13 19:09:51,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15689 states. [2021-07-13 19:09:51,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15689 to 8041. [2021-07-13 19:09:51,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8041 states, 8036 states have (on average 2.0387008461921354) internal successors, (16383), 8040 states have internal predecessors, (16383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:51,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8041 states to 8041 states and 16383 transitions. [2021-07-13 19:09:51,164 INFO L78 Accepts]: Start accepts. Automaton has 8041 states and 16383 transitions. Word has length 76 [2021-07-13 19:09:51,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:09:51,164 INFO L482 AbstractCegarLoop]: Abstraction has 8041 states and 16383 transitions. [2021-07-13 19:09:51,164 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 5.95) internal successors, (119), 20 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:51,164 INFO L276 IsEmpty]: Start isEmpty. Operand 8041 states and 16383 transitions. [2021-07-13 19:09:51,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-07-13 19:09:51,172 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:09:51,173 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:09:51,390 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-07-13 19:09:51,390 INFO L430 AbstractCegarLoop]: === Iteration 8 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:09:51,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:09:51,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1061262115, now seen corresponding path program 1 times [2021-07-13 19:09:51,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:09:51,391 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280914269] [2021-07-13 19:09:51,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:09:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:09:51,459 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-07-13 19:09:51,460 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:09:51,460 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280914269] [2021-07-13 19:09:51,460 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280914269] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:09:51,460 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605765246] [2021-07-13 19:09:51,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:09:51,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:09:51,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-07-13 19:09:51,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:09:51,641 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-07-13 19:09:51,641 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605765246] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 19:09:51,641 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-13 19:09:51,641 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-07-13 19:09:51,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741939898] [2021-07-13 19:09:51,642 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-13 19:09:51,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:09:51,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-13 19:09:51,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-13 19:09:51,643 INFO L87 Difference]: Start difference. First operand 8041 states and 16383 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:51,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:09:51,679 INFO L93 Difference]: Finished difference Result 11193 states and 22839 transitions. [2021-07-13 19:09:51,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 19:09:51,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) Word has length 91 [2021-07-13 19:09:51,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:09:51,697 INFO L225 Difference]: With dead ends: 11193 [2021-07-13 19:09:51,697 INFO L226 Difference]: Without dead ends: 11193 [2021-07-13 19:09:51,698 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 9.6ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-13 19:09:51,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11193 states. [2021-07-13 19:09:51,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11193 to 8115. [2021-07-13 19:09:51,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8115 states, 8110 states have (on average 2.0385943279901357) internal successors, (16533), 8114 states have internal predecessors, (16533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:51,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8115 states to 8115 states and 16533 transitions. [2021-07-13 19:09:51,924 INFO L78 Accepts]: Start accepts. Automaton has 8115 states and 16533 transitions. Word has length 91 [2021-07-13 19:09:51,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:09:51,925 INFO L482 AbstractCegarLoop]: Abstraction has 8115 states and 16533 transitions. [2021-07-13 19:09:51,925 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:51,925 INFO L276 IsEmpty]: Start isEmpty. Operand 8115 states and 16533 transitions. [2021-07-13 19:09:51,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-07-13 19:09:51,929 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:09:51,929 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:09:52,129 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:09:52,130 INFO L430 AbstractCegarLoop]: === Iteration 9 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:09:52,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:09:52,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1082827914, now seen corresponding path program 1 times [2021-07-13 19:09:52,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:09:52,131 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414715137] [2021-07-13 19:09:52,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:09:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:09:52,167 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-07-13 19:09:52,167 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:09:52,167 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414715137] [2021-07-13 19:09:52,167 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414715137] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:09:52,167 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749425197] [2021-07-13 19:09:52,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:09:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:09:52,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-13 19:09:52,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:09:52,496 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:09:52,496 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749425197] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:09:52,496 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:09:52,496 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 13] total 16 [2021-07-13 19:09:52,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406289497] [2021-07-13 19:09:52,496 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-13 19:09:52,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:09:52,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-13 19:09:52,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2021-07-13 19:09:52,497 INFO L87 Difference]: Start difference. First operand 8115 states and 16533 transitions. Second operand has 16 states, 16 states have (on average 8.0) internal successors, (128), 16 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:52,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:09:52,655 INFO L93 Difference]: Finished difference Result 874 states and 1637 transitions. [2021-07-13 19:09:52,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 19:09:52,656 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 8.0) internal successors, (128), 16 states have internal predecessors, (128), 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) Word has length 94 [2021-07-13 19:09:52,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:09:52,657 INFO L225 Difference]: With dead ends: 874 [2021-07-13 19:09:52,657 INFO L226 Difference]: Without dead ends: 874 [2021-07-13 19:09:52,658 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 188.8ms TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2021-07-13 19:09:52,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2021-07-13 19:09:52,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 871. [2021-07-13 19:09:52,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 870 states have (on average 1.8781609195402298) internal successors, (1634), 870 states have internal predecessors, (1634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:52,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1634 transitions. [2021-07-13 19:09:52,684 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1634 transitions. Word has length 94 [2021-07-13 19:09:52,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:09:52,684 INFO L482 AbstractCegarLoop]: Abstraction has 871 states and 1634 transitions. [2021-07-13 19:09:52,684 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 8.0) internal successors, (128), 16 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:52,684 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1634 transitions. [2021-07-13 19:09:52,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-07-13 19:09:52,686 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:09:52,686 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:09:52,886 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:09:52,887 INFO L430 AbstractCegarLoop]: === Iteration 10 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:09:52,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:09:52,887 INFO L82 PathProgramCache]: Analyzing trace with hash -701501752, now seen corresponding path program 1 times [2021-07-13 19:09:52,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:09:52,887 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860984053] [2021-07-13 19:09:52,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:09:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:09:52,988 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-13 19:09:52,988 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:09:52,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860984053] [2021-07-13 19:09:52,989 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860984053] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:09:52,989 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308585273] [2021-07-13 19:09:52,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:09:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:09:53,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-13 19:09:53,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:09:53,230 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-13 19:09:53,230 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308585273] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:09:53,230 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:09:53,231 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 17 [2021-07-13 19:09:53,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495708183] [2021-07-13 19:09:53,231 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-13 19:09:53,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:09:53,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-13 19:09:53,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-07-13 19:09:53,232 INFO L87 Difference]: Start difference. First operand 871 states and 1634 transitions. Second operand has 17 states, 17 states have (on average 6.411764705882353) internal successors, (109), 17 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:53,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:09:53,389 INFO L93 Difference]: Finished difference Result 879 states and 1642 transitions. [2021-07-13 19:09:53,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 19:09:53,389 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.411764705882353) internal successors, (109), 17 states have internal predecessors, (109), 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) Word has length 111 [2021-07-13 19:09:53,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:09:53,390 INFO L225 Difference]: With dead ends: 879 [2021-07-13 19:09:53,390 INFO L226 Difference]: Without dead ends: 879 [2021-07-13 19:09:53,391 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 154.3ms TimeCoverageRelationStatistics Valid=263, Invalid=549, Unknown=0, NotChecked=0, Total=812 [2021-07-13 19:09:53,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2021-07-13 19:09:53,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 876. [2021-07-13 19:09:53,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 875 states have (on average 1.8731428571428572) internal successors, (1639), 875 states have internal predecessors, (1639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:53,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1639 transitions. [2021-07-13 19:09:53,403 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1639 transitions. Word has length 111 [2021-07-13 19:09:53,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:09:53,404 INFO L482 AbstractCegarLoop]: Abstraction has 876 states and 1639 transitions. [2021-07-13 19:09:53,404 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 6.411764705882353) internal successors, (109), 17 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:53,404 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1639 transitions. [2021-07-13 19:09:53,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-07-13 19:09:53,406 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:09:53,406 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:09:53,627 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-07-13 19:09:53,627 INFO L430 AbstractCegarLoop]: === Iteration 11 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:09:53,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:09:53,628 INFO L82 PathProgramCache]: Analyzing trace with hash -605745243, now seen corresponding path program 2 times [2021-07-13 19:09:53,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:09:53,628 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673105149] [2021-07-13 19:09:53,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:09:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:09:53,757 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-13 19:09:53,757 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:09:53,757 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673105149] [2021-07-13 19:09:53,757 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673105149] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:09:53,757 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558777817] [2021-07-13 19:09:53,757 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:09:53,877 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 19:09:53,878 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:09:53,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-13 19:09:53,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:09:54,003 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-13 19:09:54,004 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558777817] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:09:54,004 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:09:54,004 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 19 [2021-07-13 19:09:54,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555196676] [2021-07-13 19:09:54,004 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-13 19:09:54,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:09:54,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-13 19:09:54,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-07-13 19:09:54,005 INFO L87 Difference]: Start difference. First operand 876 states and 1639 transitions. Second operand has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:54,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:09:54,174 INFO L93 Difference]: Finished difference Result 884 states and 1647 transitions. [2021-07-13 19:09:54,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 19:09:54,175 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 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) Word has length 116 [2021-07-13 19:09:54,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:09:54,175 INFO L225 Difference]: With dead ends: 884 [2021-07-13 19:09:54,175 INFO L226 Difference]: Without dead ends: 884 [2021-07-13 19:09:54,176 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 216.3ms TimeCoverageRelationStatistics Valid=340, Invalid=716, Unknown=0, NotChecked=0, Total=1056 [2021-07-13 19:09:54,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2021-07-13 19:09:54,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 881. [2021-07-13 19:09:54,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 880 states have (on average 1.8681818181818182) internal successors, (1644), 880 states have internal predecessors, (1644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:54,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1644 transitions. [2021-07-13 19:09:54,185 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1644 transitions. Word has length 116 [2021-07-13 19:09:54,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:09:54,185 INFO L482 AbstractCegarLoop]: Abstraction has 881 states and 1644 transitions. [2021-07-13 19:09:54,185 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:54,185 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1644 transitions. [2021-07-13 19:09:54,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-07-13 19:09:54,186 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:09:54,186 INFO L508 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:09:54,402 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:09:54,402 INFO L430 AbstractCegarLoop]: === Iteration 12 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:09:54,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:09:54,403 INFO L82 PathProgramCache]: Analyzing trace with hash 864219368, now seen corresponding path program 3 times [2021-07-13 19:09:54,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:09:54,403 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081546067] [2021-07-13 19:09:54,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:09:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:09:54,559 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-13 19:09:54,559 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:09:54,559 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081546067] [2021-07-13 19:09:54,559 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081546067] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:09:54,559 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426864675] [2021-07-13 19:09:54,560 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:09:54,636 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-13 19:09:54,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:09:54,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-13 19:09:54,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:09:54,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-07-13 19:09:54,657 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:09:54,658 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:54,658 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:09:54,658 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-07-13 19:09:54,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-07-13 19:09:54,673 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:09:54,676 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:54,677 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:09:54,677 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-07-13 19:09:54,749 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-13 19:09:54,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-07-13 19:09:54,751 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:09:54,753 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:54,754 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:09:54,754 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2021-07-13 19:09:54,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-07-13 19:09:54,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-13 19:09:54,791 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 19:09:54,794 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:54,794 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:09:54,799 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:54,800 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:09:54,800 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:26, output treesize:6 [2021-07-13 19:09:54,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2021-07-13 19:09:54,900 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:09:54,903 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:54,904 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:09:54,904 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:18 [2021-07-13 19:09:54,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2021-07-13 19:09:54,979 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:09:54,981 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:54,981 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 19:09:54,981 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:12 [2021-07-13 19:09:55,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-07-13 19:09:55,048 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:09:55,049 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:55,050 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 19:09:55,050 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:14, output treesize:6 [2021-07-13 19:09:55,117 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-07-13 19:09:55,118 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426864675] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:09:55,118 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:09:55,118 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 35 [2021-07-13 19:09:55,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577911339] [2021-07-13 19:09:55,118 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-13 19:09:55,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:09:55,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-13 19:09:55,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=1044, Unknown=0, NotChecked=0, Total=1190 [2021-07-13 19:09:55,120 INFO L87 Difference]: Start difference. First operand 881 states and 1644 transitions. Second operand has 35 states, 35 states have (on average 5.285714285714286) internal successors, (185), 35 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:56,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:09:56,704 INFO L93 Difference]: Finished difference Result 1884 states and 3499 transitions. [2021-07-13 19:09:56,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-13 19:09:56,704 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 5.285714285714286) internal successors, (185), 35 states have internal predecessors, (185), 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) Word has length 121 [2021-07-13 19:09:56,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:09:56,707 INFO L225 Difference]: With dead ends: 1884 [2021-07-13 19:09:56,707 INFO L226 Difference]: Without dead ends: 1590 [2021-07-13 19:09:56,709 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 105 SyntacticMatches, 1 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2426 ImplicationChecksByTransitivity, 1507.7ms TimeCoverageRelationStatistics Valid=1233, Invalid=7887, Unknown=0, NotChecked=0, Total=9120 [2021-07-13 19:09:56,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1590 states. [2021-07-13 19:09:56,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1590 to 885. [2021-07-13 19:09:56,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 884 states have (on average 1.8484162895927603) internal successors, (1634), 884 states have internal predecessors, (1634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:56,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1634 transitions. [2021-07-13 19:09:56,720 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1634 transitions. Word has length 121 [2021-07-13 19:09:56,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:09:56,720 INFO L482 AbstractCegarLoop]: Abstraction has 885 states and 1634 transitions. [2021-07-13 19:09:56,720 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 5.285714285714286) internal successors, (185), 35 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:56,720 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1634 transitions. [2021-07-13 19:09:56,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-07-13 19:09:56,722 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:09:56,722 INFO L508 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:09:56,938 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:09:56,938 INFO L430 AbstractCegarLoop]: === Iteration 13 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:09:56,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:09:56,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1436041409, now seen corresponding path program 1 times [2021-07-13 19:09:56,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:09:56,938 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916490119] [2021-07-13 19:09:56,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:09:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:09:57,131 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-13 19:09:57,132 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:09:57,132 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916490119] [2021-07-13 19:09:57,132 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916490119] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:09:57,132 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287765109] [2021-07-13 19:09:57,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:09:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:09:57,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-13 19:09:57,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:09:57,402 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-13 19:09:57,403 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287765109] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:09:57,403 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:09:57,403 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 23 [2021-07-13 19:09:57,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650216128] [2021-07-13 19:09:57,403 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-13 19:09:57,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:09:57,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-13 19:09:57,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-07-13 19:09:57,404 INFO L87 Difference]: Start difference. First operand 885 states and 1634 transitions. Second operand has 23 states, 23 states have (on average 5.608695652173913) internal successors, (129), 23 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:57,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:09:57,630 INFO L93 Difference]: Finished difference Result 890 states and 1639 transitions. [2021-07-13 19:09:57,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 19:09:57,631 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 5.608695652173913) internal successors, (129), 23 states have internal predecessors, (129), 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) Word has length 135 [2021-07-13 19:09:57,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:09:57,632 INFO L225 Difference]: With dead ends: 890 [2021-07-13 19:09:57,632 INFO L226 Difference]: Without dead ends: 890 [2021-07-13 19:09:57,632 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 296.0ms TimeCoverageRelationStatistics Valid=524, Invalid=1116, Unknown=0, NotChecked=0, Total=1640 [2021-07-13 19:09:57,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2021-07-13 19:09:57,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 890. [2021-07-13 19:09:57,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 890 states, 889 states have (on average 1.843644544431946) internal successors, (1639), 889 states have internal predecessors, (1639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:57,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1639 transitions. [2021-07-13 19:09:57,644 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1639 transitions. Word has length 135 [2021-07-13 19:09:57,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:09:57,644 INFO L482 AbstractCegarLoop]: Abstraction has 890 states and 1639 transitions. [2021-07-13 19:09:57,644 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 5.608695652173913) internal successors, (129), 23 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:57,644 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1639 transitions. [2021-07-13 19:09:57,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-07-13 19:09:57,646 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:09:57,646 INFO L508 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:09:57,862 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-07-13 19:09:57,862 INFO L430 AbstractCegarLoop]: === Iteration 14 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:09:57,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:09:57,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1215256860, now seen corresponding path program 2 times [2021-07-13 19:09:57,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:09:57,863 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550778784] [2021-07-13 19:09:57,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:09:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:09:58,298 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-07-13 19:09:58,298 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:09:58,298 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550778784] [2021-07-13 19:09:58,298 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550778784] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:09:58,299 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019212568] [2021-07-13 19:09:58,299 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:09:58,442 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 19:09:58,442 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:09:58,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-13 19:09:58,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:09:58,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-07-13 19:09:58,463 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:09:58,464 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:58,465 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:09:58,465 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-07-13 19:09:58,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-07-13 19:09:58,470 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:09:58,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:58,473 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:09:58,473 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-07-13 19:09:58,557 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-13 19:09:58,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-07-13 19:09:58,560 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:09:58,562 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:58,563 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:09:58,563 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2021-07-13 19:09:58,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-07-13 19:09:58,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-13 19:09:58,588 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 19:09:58,591 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:58,592 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:09:58,596 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:58,597 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:09:58,597 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:26, output treesize:11 [2021-07-13 19:09:58,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2021-07-13 19:09:58,687 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:09:58,691 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:58,692 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:09:58,692 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:22 [2021-07-13 19:09:58,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2021-07-13 19:09:58,772 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:09:58,775 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:58,776 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 19:09:58,776 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:36, output treesize:17 [2021-07-13 19:09:58,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-07-13 19:09:58,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-13 19:09:58,814 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 19:09:58,817 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:58,819 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:09:58,823 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:58,826 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:09:58,826 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:26, output treesize:6 [2021-07-13 19:09:58,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-07-13 19:09:58,898 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:09:58,900 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:09:58,900 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 19:09:58,900 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:14, output treesize:6 [2021-07-13 19:09:58,947 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-07-13 19:09:58,947 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019212568] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:09:58,947 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:09:58,947 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 30 [2021-07-13 19:09:58,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921516122] [2021-07-13 19:09:58,948 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-13 19:09:58,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:09:58,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-13 19:09:58,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=737, Unknown=0, NotChecked=0, Total=870 [2021-07-13 19:09:58,949 INFO L87 Difference]: Start difference. First operand 890 states and 1639 transitions. Second operand has 30 states, 30 states have (on average 5.066666666666666) internal successors, (152), 30 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:00,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:10:00,094 INFO L93 Difference]: Finished difference Result 1875 states and 3534 transitions. [2021-07-13 19:10:00,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 19:10:00,094 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 5.066666666666666) internal successors, (152), 30 states have internal predecessors, (152), 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) Word has length 140 [2021-07-13 19:10:00,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:10:00,095 INFO L225 Difference]: With dead ends: 1875 [2021-07-13 19:10:00,095 INFO L226 Difference]: Without dead ends: 0 [2021-07-13 19:10:00,096 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 129 SyntacticMatches, 4 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1082 ImplicationChecksByTransitivity, 1210.1ms TimeCoverageRelationStatistics Valid=785, Invalid=3121, Unknown=0, NotChecked=0, Total=3906 [2021-07-13 19:10:00,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-13 19:10:00,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-13 19:10:00,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:00,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-13 19:10:00,096 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 140 [2021-07-13 19:10:00,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:10:00,096 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-13 19:10:00,096 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 5.066666666666666) internal successors, (152), 30 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:00,096 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-13 19:10:00,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-13 19:10:00,317 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-13 19:10:00,318 INFO L301 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE (1/2) [2021-07-13 19:10:00,320 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-07-13 19:10:00,322 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-13 19:10:00,322 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-13 19:10:00,322 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-13 19:10:00,322 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-13 19:10:00,322 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-13 19:10:00,322 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-13 19:10:00,322 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-13 19:10:00,322 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-13 19:10:00,328 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 197 places, 239 transitions, 486 flow [2021-07-13 19:10:00,379 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 5520 states, 5512 states have (on average 2.4669811320754715) internal successors, (13598), 5519 states have internal predecessors, (13598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:00,387 INFO L276 IsEmpty]: Start isEmpty. Operand has 5520 states, 5512 states have (on average 2.4669811320754715) internal successors, (13598), 5519 states have internal predecessors, (13598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:00,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-07-13 19:10:00,389 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:10:00,389 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:10:00,389 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:10:00,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:10:00,389 INFO L82 PathProgramCache]: Analyzing trace with hash 528355733, now seen corresponding path program 1 times [2021-07-13 19:10:00,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:10:00,389 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518283084] [2021-07-13 19:10:00,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:10:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:10:00,398 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 19:10:00,398 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:10:00,398 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518283084] [2021-07-13 19:10:00,398 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518283084] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 19:10:00,398 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 19:10:00,398 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-13 19:10:00,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814380791] [2021-07-13 19:10:00,399 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-13 19:10:00,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:10:00,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-13 19:10:00,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-13 19:10:00,407 INFO L87 Difference]: Start difference. First operand has 5520 states, 5512 states have (on average 2.4669811320754715) internal successors, (13598), 5519 states have internal predecessors, (13598), 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) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:00,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:10:00,463 INFO L93 Difference]: Finished difference Result 5312 states and 10714 transitions. [2021-07-13 19:10:00,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 19:10:00,464 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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) Word has length 37 [2021-07-13 19:10:00,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:10:00,474 INFO L225 Difference]: With dead ends: 5312 [2021-07-13 19:10:00,474 INFO L226 Difference]: Without dead ends: 3962 [2021-07-13 19:10:00,475 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-13 19:10:00,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3962 states. [2021-07-13 19:10:00,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3962 to 3962. [2021-07-13 19:10:00,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3962 states, 3954 states have (on average 2.013151239251391) internal successors, (7960), 3961 states have internal predecessors, (7960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:00,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3962 states to 3962 states and 7960 transitions. [2021-07-13 19:10:00,532 INFO L78 Accepts]: Start accepts. Automaton has 3962 states and 7960 transitions. Word has length 37 [2021-07-13 19:10:00,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:10:00,532 INFO L482 AbstractCegarLoop]: Abstraction has 3962 states and 7960 transitions. [2021-07-13 19:10:00,532 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:00,532 INFO L276 IsEmpty]: Start isEmpty. Operand 3962 states and 7960 transitions. [2021-07-13 19:10:00,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-07-13 19:10:00,532 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:10:00,533 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:10:00,533 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-07-13 19:10:00,533 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:10:00,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:10:00,533 INFO L82 PathProgramCache]: Analyzing trace with hash -316116138, now seen corresponding path program 1 times [2021-07-13 19:10:00,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:10:00,534 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950603609] [2021-07-13 19:10:00,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:10:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:10:00,547 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 19:10:00,547 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:10:00,547 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950603609] [2021-07-13 19:10:00,547 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950603609] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 19:10:00,547 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 19:10:00,547 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-13 19:10:00,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391515979] [2021-07-13 19:10:00,547 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-13 19:10:00,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:10:00,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-13 19:10:00,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-13 19:10:00,548 INFO L87 Difference]: Start difference. First operand 3962 states and 7960 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:00,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:10:00,564 INFO L93 Difference]: Finished difference Result 3966 states and 7964 transitions. [2021-07-13 19:10:00,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 19:10:00,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) Word has length 37 [2021-07-13 19:10:00,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:10:00,570 INFO L225 Difference]: With dead ends: 3966 [2021-07-13 19:10:00,570 INFO L226 Difference]: Without dead ends: 3966 [2021-07-13 19:10:00,570 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-13 19:10:00,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3966 states. [2021-07-13 19:10:00,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3966 to 3963. [2021-07-13 19:10:00,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3963 states, 3955 states have (on average 2.0128950695322376) internal successors, (7961), 3962 states have internal predecessors, (7961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:00,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3963 states to 3963 states and 7961 transitions. [2021-07-13 19:10:00,625 INFO L78 Accepts]: Start accepts. Automaton has 3963 states and 7961 transitions. Word has length 37 [2021-07-13 19:10:00,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:10:00,625 INFO L482 AbstractCegarLoop]: Abstraction has 3963 states and 7961 transitions. [2021-07-13 19:10:00,625 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:00,626 INFO L276 IsEmpty]: Start isEmpty. Operand 3963 states and 7961 transitions. [2021-07-13 19:10:00,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-07-13 19:10:00,626 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:10:00,626 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:10:00,626 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-07-13 19:10:00,626 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:10:00,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:10:00,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1182923891, now seen corresponding path program 1 times [2021-07-13 19:10:00,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:10:00,627 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287539810] [2021-07-13 19:10:00,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:10:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:10:00,646 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 19:10:00,647 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:10:00,647 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287539810] [2021-07-13 19:10:00,647 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287539810] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:10:00,647 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242561173] [2021-07-13 19:10:00,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:10:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:10:00,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-13 19:10:00,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:10:00,807 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 19:10:00,807 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242561173] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:10:00,807 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:10:00,807 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-07-13 19:10:00,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582650484] [2021-07-13 19:10:00,807 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-13 19:10:00,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:10:00,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-13 19:10:00,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-13 19:10:00,809 INFO L87 Difference]: Start difference. First operand 3963 states and 7961 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:00,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:10:00,841 INFO L93 Difference]: Finished difference Result 3971 states and 7969 transitions. [2021-07-13 19:10:00,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 19:10:00,842 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 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) Word has length 42 [2021-07-13 19:10:00,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:10:00,847 INFO L225 Difference]: With dead ends: 3971 [2021-07-13 19:10:00,847 INFO L226 Difference]: Without dead ends: 3971 [2021-07-13 19:10:00,848 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 20.3ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-07-13 19:10:00,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3971 states. [2021-07-13 19:10:00,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3971 to 3968. [2021-07-13 19:10:00,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3968 states, 3960 states have (on average 2.0116161616161614) internal successors, (7966), 3967 states have internal predecessors, (7966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:00,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3968 states to 3968 states and 7966 transitions. [2021-07-13 19:10:00,901 INFO L78 Accepts]: Start accepts. Automaton has 3968 states and 7966 transitions. Word has length 42 [2021-07-13 19:10:00,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:10:00,902 INFO L482 AbstractCegarLoop]: Abstraction has 3968 states and 7966 transitions. [2021-07-13 19:10:00,902 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:00,902 INFO L276 IsEmpty]: Start isEmpty. Operand 3968 states and 7966 transitions. [2021-07-13 19:10:00,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-07-13 19:10:00,902 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:10:00,902 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:10:01,119 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-13 19:10:01,120 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:10:01,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:10:01,124 INFO L82 PathProgramCache]: Analyzing trace with hash -701325962, now seen corresponding path program 2 times [2021-07-13 19:10:01,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:10:01,125 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734997928] [2021-07-13 19:10:01,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:10:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:10:01,153 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 19:10:01,154 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:10:01,154 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734997928] [2021-07-13 19:10:01,154 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734997928] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:10:01,154 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253447751] [2021-07-13 19:10:01,154 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:10:01,262 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 19:10:01,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:10:01,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-13 19:10:01,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:10:01,315 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 19:10:01,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1253447751] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:10:01,316 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:10:01,316 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-07-13 19:10:01,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267487671] [2021-07-13 19:10:01,316 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-13 19:10:01,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:10:01,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-13 19:10:01,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-07-13 19:10:01,317 INFO L87 Difference]: Start difference. First operand 3968 states and 7966 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:01,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:10:01,366 INFO L93 Difference]: Finished difference Result 3976 states and 7974 transitions. [2021-07-13 19:10:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 19:10:01,367 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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) Word has length 47 [2021-07-13 19:10:01,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:10:01,372 INFO L225 Difference]: With dead ends: 3976 [2021-07-13 19:10:01,372 INFO L226 Difference]: Without dead ends: 3976 [2021-07-13 19:10:01,373 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 38.4ms TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-07-13 19:10:01,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3976 states. [2021-07-13 19:10:01,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3976 to 3973. [2021-07-13 19:10:01,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3973 states, 3965 states have (on average 2.010340479192938) internal successors, (7971), 3972 states have internal predecessors, (7971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:01,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3973 states to 3973 states and 7971 transitions. [2021-07-13 19:10:01,425 INFO L78 Accepts]: Start accepts. Automaton has 3973 states and 7971 transitions. Word has length 47 [2021-07-13 19:10:01,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:10:01,425 INFO L482 AbstractCegarLoop]: Abstraction has 3973 states and 7971 transitions. [2021-07-13 19:10:01,425 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:01,425 INFO L276 IsEmpty]: Start isEmpty. Operand 3973 states and 7971 transitions. [2021-07-13 19:10:01,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-07-13 19:10:01,426 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:10:01,426 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:10:01,642 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:10:01,642 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:10:01,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:10:01,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1440556627, now seen corresponding path program 3 times [2021-07-13 19:10:01,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:10:01,643 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327516395] [2021-07-13 19:10:01,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:10:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:10:01,689 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 19:10:01,689 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:10:01,689 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327516395] [2021-07-13 19:10:01,689 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327516395] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:10:01,689 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231749686] [2021-07-13 19:10:01,689 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:10:01,750 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-13 19:10:01,751 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:10:01,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-13 19:10:01,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:10:01,811 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 19:10:01,811 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231749686] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:10:01,811 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:10:01,811 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-07-13 19:10:01,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052138928] [2021-07-13 19:10:01,812 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-13 19:10:01,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:10:01,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-13 19:10:01,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-07-13 19:10:01,812 INFO L87 Difference]: Start difference. First operand 3973 states and 7971 transitions. Second operand has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:01,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:10:01,875 INFO L93 Difference]: Finished difference Result 3981 states and 7979 transitions. [2021-07-13 19:10:01,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 19:10:01,875 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-07-13 19:10:01,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:10:01,881 INFO L225 Difference]: With dead ends: 3981 [2021-07-13 19:10:01,881 INFO L226 Difference]: Without dead ends: 3981 [2021-07-13 19:10:01,881 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 60.6ms TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2021-07-13 19:10:01,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3981 states. [2021-07-13 19:10:01,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3981 to 3978. [2021-07-13 19:10:01,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3978 states, 3970 states have (on average 2.0090680100755667) internal successors, (7976), 3977 states have internal predecessors, (7976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:01,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3978 states to 3978 states and 7976 transitions. [2021-07-13 19:10:01,933 INFO L78 Accepts]: Start accepts. Automaton has 3978 states and 7976 transitions. Word has length 52 [2021-07-13 19:10:01,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:10:01,934 INFO L482 AbstractCegarLoop]: Abstraction has 3978 states and 7976 transitions. [2021-07-13 19:10:01,934 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:01,934 INFO L276 IsEmpty]: Start isEmpty. Operand 3978 states and 7976 transitions. [2021-07-13 19:10:01,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-07-13 19:10:01,934 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:10:01,934 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:10:02,151 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:10:02,151 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:10:02,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:10:02,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1666801770, now seen corresponding path program 4 times [2021-07-13 19:10:02,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:10:02,152 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210864490] [2021-07-13 19:10:02,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:10:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:10:02,201 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 19:10:02,201 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:10:02,201 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210864490] [2021-07-13 19:10:02,201 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210864490] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:10:02,201 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206945836] [2021-07-13 19:10:02,201 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:10:02,323 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 19:10:02,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:10:02,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-13 19:10:02,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:10:02,389 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 19:10:02,389 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206945836] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:10:02,389 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:10:02,389 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-07-13 19:10:02,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713440952] [2021-07-13 19:10:02,389 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-13 19:10:02,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:10:02,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-13 19:10:02,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-07-13 19:10:02,390 INFO L87 Difference]: Start difference. First operand 3978 states and 7976 transitions. Second operand has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:02,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:10:02,474 INFO L93 Difference]: Finished difference Result 3986 states and 7984 transitions. [2021-07-13 19:10:02,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 19:10:02,474 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 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) Word has length 57 [2021-07-13 19:10:02,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:10:02,480 INFO L225 Difference]: With dead ends: 3986 [2021-07-13 19:10:02,480 INFO L226 Difference]: Without dead ends: 3986 [2021-07-13 19:10:02,481 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 87.0ms TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2021-07-13 19:10:02,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3986 states. [2021-07-13 19:10:02,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3986 to 3983. [2021-07-13 19:10:02,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3983 states, 3975 states have (on average 2.0077987421383647) internal successors, (7981), 3982 states have internal predecessors, (7981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:02,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3983 states to 3983 states and 7981 transitions. [2021-07-13 19:10:02,532 INFO L78 Accepts]: Start accepts. Automaton has 3983 states and 7981 transitions. Word has length 57 [2021-07-13 19:10:02,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:10:02,533 INFO L482 AbstractCegarLoop]: Abstraction has 3983 states and 7981 transitions. [2021-07-13 19:10:02,533 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:02,533 INFO L276 IsEmpty]: Start isEmpty. Operand 3983 states and 7981 transitions. [2021-07-13 19:10:02,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-07-13 19:10:02,533 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:10:02,533 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:10:02,752 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:10:02,752 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:10:02,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:10:02,752 INFO L82 PathProgramCache]: Analyzing trace with hash 406157363, now seen corresponding path program 5 times [2021-07-13 19:10:02,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:10:02,753 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754726726] [2021-07-13 19:10:02,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:10:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:10:02,821 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 19:10:02,822 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:10:02,822 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754726726] [2021-07-13 19:10:02,822 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754726726] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:10:02,822 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077369186] [2021-07-13 19:10:02,822 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:10:02,884 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-13 19:10:02,884 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:10:02,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-13 19:10:02,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:10:02,961 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 19:10:02,961 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077369186] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:10:02,961 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:10:02,962 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15 [2021-07-13 19:10:02,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178074406] [2021-07-13 19:10:02,962 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-13 19:10:02,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:10:02,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-13 19:10:02,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-07-13 19:10:02,962 INFO L87 Difference]: Start difference. First operand 3983 states and 7981 transitions. Second operand has 15 states, 15 states have (on average 4.2) internal successors, (63), 15 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:03,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:10:03,066 INFO L93 Difference]: Finished difference Result 3991 states and 7989 transitions. [2021-07-13 19:10:03,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 19:10:03,067 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.2) internal successors, (63), 15 states have internal predecessors, (63), 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) Word has length 62 [2021-07-13 19:10:03,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:10:03,072 INFO L225 Difference]: With dead ends: 3991 [2021-07-13 19:10:03,072 INFO L226 Difference]: Without dead ends: 3991 [2021-07-13 19:10:03,072 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 115.6ms TimeCoverageRelationStatistics Valid=196, Invalid=404, Unknown=0, NotChecked=0, Total=600 [2021-07-13 19:10:03,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3991 states. [2021-07-13 19:10:03,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3991 to 3988. [2021-07-13 19:10:03,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3988 states, 3980 states have (on average 2.006532663316583) internal successors, (7986), 3987 states have internal predecessors, (7986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:03,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3988 states to 3988 states and 7986 transitions. [2021-07-13 19:10:03,122 INFO L78 Accepts]: Start accepts. Automaton has 3988 states and 7986 transitions. Word has length 62 [2021-07-13 19:10:03,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:10:03,122 INFO L482 AbstractCegarLoop]: Abstraction has 3988 states and 7986 transitions. [2021-07-13 19:10:03,122 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 4.2) internal successors, (63), 15 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:03,122 INFO L276 IsEmpty]: Start isEmpty. Operand 3988 states and 7986 transitions. [2021-07-13 19:10:03,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-07-13 19:10:03,123 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:10:03,123 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:10:03,339 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-07-13 19:10:03,339 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:10:03,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:10:03,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1209432502, now seen corresponding path program 6 times [2021-07-13 19:10:03,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:10:03,340 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623339959] [2021-07-13 19:10:03,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:10:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:10:03,420 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 19:10:03,421 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:10:03,421 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623339959] [2021-07-13 19:10:03,421 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623339959] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:10:03,421 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882102772] [2021-07-13 19:10:03,421 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:10:03,500 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-13 19:10:03,500 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:10:03,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-13 19:10:03,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:10:03,637 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 19:10:03,638 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1882102772] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:10:03,638 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:10:03,638 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 17 [2021-07-13 19:10:03,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121627707] [2021-07-13 19:10:03,638 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-13 19:10:03,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:10:03,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-13 19:10:03,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-07-13 19:10:03,639 INFO L87 Difference]: Start difference. First operand 3988 states and 7986 transitions. Second operand has 17 states, 17 states have (on average 4.0) internal successors, (68), 17 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:03,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:10:03,771 INFO L93 Difference]: Finished difference Result 3996 states and 7994 transitions. [2021-07-13 19:10:03,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 19:10:03,772 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.0) internal successors, (68), 17 states have internal predecessors, (68), 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) Word has length 67 [2021-07-13 19:10:03,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:10:03,776 INFO L225 Difference]: With dead ends: 3996 [2021-07-13 19:10:03,776 INFO L226 Difference]: Without dead ends: 3996 [2021-07-13 19:10:03,778 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 206.9ms TimeCoverageRelationStatistics Valid=263, Invalid=549, Unknown=0, NotChecked=0, Total=812 [2021-07-13 19:10:03,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3996 states. [2021-07-13 19:10:03,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3996 to 3993. [2021-07-13 19:10:03,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3993 states, 3985 states have (on average 2.0052697616060224) internal successors, (7991), 3992 states have internal predecessors, (7991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:03,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3993 states to 3993 states and 7991 transitions. [2021-07-13 19:10:03,828 INFO L78 Accepts]: Start accepts. Automaton has 3993 states and 7991 transitions. Word has length 67 [2021-07-13 19:10:03,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:10:03,828 INFO L482 AbstractCegarLoop]: Abstraction has 3993 states and 7991 transitions. [2021-07-13 19:10:03,828 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.0) internal successors, (68), 17 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:03,828 INFO L276 IsEmpty]: Start isEmpty. Operand 3993 states and 7991 transitions. [2021-07-13 19:10:03,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-07-13 19:10:03,829 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:10:03,829 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:10:04,046 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-07-13 19:10:04,046 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:10:04,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:10:04,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1899557395, now seen corresponding path program 7 times [2021-07-13 19:10:04,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:10:04,046 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149120109] [2021-07-13 19:10:04,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:10:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:10:04,142 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 19:10:04,142 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:10:04,142 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149120109] [2021-07-13 19:10:04,142 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149120109] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:10:04,142 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108757756] [2021-07-13 19:10:04,143 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:10:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:10:04,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-13 19:10:04,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:10:04,296 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 19:10:04,296 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108757756] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:10:04,296 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:10:04,296 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 19 [2021-07-13 19:10:04,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002208198] [2021-07-13 19:10:04,296 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-13 19:10:04,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:10:04,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-13 19:10:04,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-07-13 19:10:04,297 INFO L87 Difference]: Start difference. First operand 3993 states and 7991 transitions. Second operand has 19 states, 19 states have (on average 3.8421052631578947) internal successors, (73), 19 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:04,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:10:04,459 INFO L93 Difference]: Finished difference Result 4001 states and 7999 transitions. [2021-07-13 19:10:04,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 19:10:04,460 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.8421052631578947) internal successors, (73), 19 states have internal predecessors, (73), 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) Word has length 72 [2021-07-13 19:10:04,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:10:04,464 INFO L225 Difference]: With dead ends: 4001 [2021-07-13 19:10:04,464 INFO L226 Difference]: Without dead ends: 4001 [2021-07-13 19:10:04,465 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 192.4ms TimeCoverageRelationStatistics Valid=340, Invalid=716, Unknown=0, NotChecked=0, Total=1056 [2021-07-13 19:10:04,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4001 states. [2021-07-13 19:10:04,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4001 to 3998. [2021-07-13 19:10:04,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3998 states, 3990 states have (on average 2.0040100250626565) internal successors, (7996), 3997 states have internal predecessors, (7996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:04,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3998 states to 3998 states and 7996 transitions. [2021-07-13 19:10:04,516 INFO L78 Accepts]: Start accepts. Automaton has 3998 states and 7996 transitions. Word has length 72 [2021-07-13 19:10:04,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:10:04,516 INFO L482 AbstractCegarLoop]: Abstraction has 3998 states and 7996 transitions. [2021-07-13 19:10:04,516 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 3.8421052631578947) internal successors, (73), 19 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:04,516 INFO L276 IsEmpty]: Start isEmpty. Operand 3998 states and 7996 transitions. [2021-07-13 19:10:04,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-07-13 19:10:04,517 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:10:04,517 INFO L508 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:10:04,734 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-07-13 19:10:04,734 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:10:04,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:10:04,735 INFO L82 PathProgramCache]: Analyzing trace with hash 294923222, now seen corresponding path program 8 times [2021-07-13 19:10:04,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:10:04,735 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850754028] [2021-07-13 19:10:04,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:10:04,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:10:04,853 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 19:10:04,853 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:10:04,853 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850754028] [2021-07-13 19:10:04,853 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850754028] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:10:04,853 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225845775] [2021-07-13 19:10:04,853 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:10:04,919 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 19:10:04,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:10:04,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-13 19:10:04,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:10:05,014 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 19:10:05,014 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [225845775] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:10:05,014 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:10:05,014 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 21 [2021-07-13 19:10:05,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335343267] [2021-07-13 19:10:05,015 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-13 19:10:05,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:10:05,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-13 19:10:05,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2021-07-13 19:10:05,015 INFO L87 Difference]: Start difference. First operand 3998 states and 7996 transitions. Second operand has 21 states, 21 states have (on average 3.7142857142857144) internal successors, (78), 21 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:05,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:10:05,208 INFO L93 Difference]: Finished difference Result 4006 states and 8004 transitions. [2021-07-13 19:10:05,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 19:10:05,208 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.7142857142857144) internal successors, (78), 21 states have internal predecessors, (78), 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) Word has length 77 [2021-07-13 19:10:05,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:10:05,213 INFO L225 Difference]: With dead ends: 4006 [2021-07-13 19:10:05,213 INFO L226 Difference]: Without dead ends: 4006 [2021-07-13 19:10:05,214 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 237.9ms TimeCoverageRelationStatistics Valid=427, Invalid=905, Unknown=0, NotChecked=0, Total=1332 [2021-07-13 19:10:05,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4006 states. [2021-07-13 19:10:05,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4006 to 4003. [2021-07-13 19:10:05,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4003 states, 3995 states have (on average 2.002753441802253) internal successors, (8001), 4002 states have internal predecessors, (8001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:05,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4003 states to 4003 states and 8001 transitions. [2021-07-13 19:10:05,263 INFO L78 Accepts]: Start accepts. Automaton has 4003 states and 8001 transitions. Word has length 77 [2021-07-13 19:10:05,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:10:05,263 INFO L482 AbstractCegarLoop]: Abstraction has 4003 states and 8001 transitions. [2021-07-13 19:10:05,264 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 3.7142857142857144) internal successors, (78), 21 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:05,264 INFO L276 IsEmpty]: Start isEmpty. Operand 4003 states and 8001 transitions. [2021-07-13 19:10:05,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-07-13 19:10:05,264 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:10:05,264 INFO L508 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:10:05,482 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-07-13 19:10:05,482 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:10:05,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:10:05,482 INFO L82 PathProgramCache]: Analyzing trace with hash 51745779, now seen corresponding path program 9 times [2021-07-13 19:10:05,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:10:05,482 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239558045] [2021-07-13 19:10:05,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:10:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:10:05,627 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 19:10:05,627 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:10:05,627 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239558045] [2021-07-13 19:10:05,627 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239558045] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:10:05,628 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164782786] [2021-07-13 19:10:05,628 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:10:05,731 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-07-13 19:10:05,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:10:05,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-13 19:10:05,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:10:05,842 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 19:10:05,842 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164782786] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:10:05,843 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:10:05,843 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 23 [2021-07-13 19:10:05,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31268152] [2021-07-13 19:10:05,843 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-13 19:10:05,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:10:05,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-13 19:10:05,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-07-13 19:10:05,844 INFO L87 Difference]: Start difference. First operand 4003 states and 8001 transitions. Second operand has 23 states, 23 states have (on average 3.608695652173913) internal successors, (83), 23 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:06,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:10:06,080 INFO L93 Difference]: Finished difference Result 4008 states and 8006 transitions. [2021-07-13 19:10:06,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 19:10:06,081 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.608695652173913) internal successors, (83), 23 states have internal predecessors, (83), 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) Word has length 82 [2021-07-13 19:10:06,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:10:06,086 INFO L225 Difference]: With dead ends: 4008 [2021-07-13 19:10:06,086 INFO L226 Difference]: Without dead ends: 4008 [2021-07-13 19:10:06,086 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 288.4ms TimeCoverageRelationStatistics Valid=524, Invalid=1116, Unknown=0, NotChecked=0, Total=1640 [2021-07-13 19:10:06,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4008 states. [2021-07-13 19:10:06,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4008 to 4008. [2021-07-13 19:10:06,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4008 states, 4000 states have (on average 2.0015) internal successors, (8006), 4007 states have internal predecessors, (8006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:06,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4008 states to 4008 states and 8006 transitions. [2021-07-13 19:10:06,136 INFO L78 Accepts]: Start accepts. Automaton has 4008 states and 8006 transitions. Word has length 82 [2021-07-13 19:10:06,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:10:06,136 INFO L482 AbstractCegarLoop]: Abstraction has 4008 states and 8006 transitions. [2021-07-13 19:10:06,136 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.608695652173913) internal successors, (83), 23 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:06,136 INFO L276 IsEmpty]: Start isEmpty. Operand 4008 states and 8006 transitions. [2021-07-13 19:10:06,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-07-13 19:10:06,137 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:10:06,137 INFO L508 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:10:06,354 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-07-13 19:10:06,354 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:10:06,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:10:06,354 INFO L82 PathProgramCache]: Analyzing trace with hash -2085505546, now seen corresponding path program 10 times [2021-07-13 19:10:06,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:10:06,354 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585514376] [2021-07-13 19:10:06,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:10:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-13 19:10:06,366 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-13 19:10:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-13 19:10:06,376 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-13 19:10:06,395 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-13 19:10:06,396 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-13 19:10:06,396 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-07-13 19:10:06,396 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2) [2021-07-13 19:10:06,396 WARN L243 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-07-13 19:10:06,396 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-07-13 19:10:06,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,412 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,412 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,413 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,413 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,413 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,413 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,413 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,413 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,413 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,414 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,414 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,414 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,414 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,414 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,415 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,415 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,415 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,415 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,415 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,415 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,416 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,416 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,416 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,416 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,416 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,416 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,417 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,417 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,417 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,417 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,417 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,417 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,417 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,418 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,418 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,418 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,418 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,418 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,419 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,419 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,419 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,419 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,419 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,419 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,420 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,420 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,420 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,420 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,420 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,420 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,420 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,420 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,421 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,421 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,421 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,421 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,421 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,421 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,421 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,421 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,421 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,421 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,427 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,428 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,428 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,428 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,428 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,428 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,428 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,428 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,428 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,428 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,428 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,428 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,428 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,429 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,429 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,429 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,429 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,430 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,430 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,430 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,430 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,430 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,430 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,430 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,430 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,430 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,430 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,430 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,430 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,430 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,430 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,430 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,430 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,430 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,430 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,430 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,430 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,430 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,430 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,431 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,431 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,431 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,431 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,431 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,431 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,431 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,431 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,431 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,431 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,431 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,431 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,431 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,431 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,431 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,431 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,431 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,431 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,431 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,432 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,432 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,432 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,432 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,432 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,432 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,432 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,432 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,432 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,432 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,432 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,432 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,432 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,432 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,432 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,432 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,432 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,432 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,433 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,433 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,433 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,433 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,433 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,433 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,433 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,433 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,434 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,434 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,434 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,434 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,434 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,434 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,434 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,434 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,434 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,434 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,435 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,435 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,435 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,435 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,435 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,435 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,435 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,435 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,435 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,436 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,437 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,437 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,437 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,437 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,437 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,437 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,437 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,437 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,437 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,437 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,437 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,437 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,437 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,437 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,437 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,437 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,437 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,437 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,437 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,438 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,439 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,439 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,439 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,439 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,439 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#in~entry.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,440 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_cache_entry_addref_~entry.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,440 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,440 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,440 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,440 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_cache_entry_addref_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:10:06,442 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-13 19:10:06,442 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-13 19:10:06,443 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-13 19:10:06,443 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-13 19:10:06,443 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-13 19:10:06,443 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-13 19:10:06,443 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-13 19:10:06,443 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-13 19:10:06,443 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-13 19:10:06,443 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == t_funThread1of2ForFork0======== [2021-07-13 19:10:06,444 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 253 places, 308 transitions, 634 flow [2021-07-13 19:10:13,074 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 313189 states, 313174 states have (on average 3.6949650992738863) internal successors, (1157167), 313188 states have internal predecessors, (1157167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:13,551 INFO L276 IsEmpty]: Start isEmpty. Operand has 313189 states, 313174 states have (on average 3.6949650992738863) internal successors, (1157167), 313188 states have internal predecessors, (1157167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:13,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-07-13 19:10:13,555 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:10:13,556 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:10:13,556 INFO L430 AbstractCegarLoop]: === Iteration 1 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:10:13,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:10:13,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1189440082, now seen corresponding path program 1 times [2021-07-13 19:10:13,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:10:13,556 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798026684] [2021-07-13 19:10:13,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:10:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:10:13,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:10:13,566 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:10:13,566 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798026684] [2021-07-13 19:10:13,566 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798026684] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 19:10:13,567 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 19:10:13,567 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-13 19:10:13,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675504473] [2021-07-13 19:10:13,567 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-13 19:10:13,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:10:13,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-13 19:10:13,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-13 19:10:14,045 INFO L87 Difference]: Start difference. First operand has 313189 states, 313174 states have (on average 3.6949650992738863) internal successors, (1157167), 313188 states have internal predecessors, (1157167), 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) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:17,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:10:17,859 INFO L93 Difference]: Finished difference Result 296101 states and 899322 transitions. [2021-07-13 19:10:17,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 19:10:17,859 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 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) Word has length 47 [2021-07-13 19:10:17,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:10:19,193 INFO L225 Difference]: With dead ends: 296101 [2021-07-13 19:10:19,193 INFO L226 Difference]: Without dead ends: 294481 [2021-07-13 19:10:19,193 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-13 19:10:44,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294481 states. [2021-07-13 19:10:50,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294481 to 294481. [2021-07-13 19:10:51,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294481 states, 294468 states have (on average 3.038092424304169) internal successors, (894621), 294480 states have internal predecessors, (894621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:53,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294481 states to 294481 states and 894621 transitions. [2021-07-13 19:10:53,360 INFO L78 Accepts]: Start accepts. Automaton has 294481 states and 894621 transitions. Word has length 47 [2021-07-13 19:10:53,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:10:53,360 INFO L482 AbstractCegarLoop]: Abstraction has 294481 states and 894621 transitions. [2021-07-13 19:10:53,360 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:53,360 INFO L276 IsEmpty]: Start isEmpty. Operand 294481 states and 894621 transitions. [2021-07-13 19:10:53,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-07-13 19:10:53,362 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:10:53,362 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:10:53,362 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-07-13 19:10:53,362 INFO L430 AbstractCegarLoop]: === Iteration 2 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:10:53,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:10:53,363 INFO L82 PathProgramCache]: Analyzing trace with hash -496338385, now seen corresponding path program 1 times [2021-07-13 19:10:53,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:10:53,363 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877464512] [2021-07-13 19:10:53,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:10:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:10:53,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:10:53,399 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:10:53,399 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877464512] [2021-07-13 19:10:53,399 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877464512] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 19:10:53,399 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 19:10:53,399 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-13 19:10:53,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434930546] [2021-07-13 19:10:53,399 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-13 19:10:53,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:10:53,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-13 19:10:53,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-13 19:10:53,400 INFO L87 Difference]: Start difference. First operand 294481 states and 894621 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:55,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:10:55,540 INFO L93 Difference]: Finished difference Result 294485 states and 894625 transitions. [2021-07-13 19:10:55,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 19:10:55,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) Word has length 47 [2021-07-13 19:10:55,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:10:56,933 INFO L225 Difference]: With dead ends: 294485 [2021-07-13 19:10:56,933 INFO L226 Difference]: Without dead ends: 294485 [2021-07-13 19:10:56,934 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-13 19:11:22,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294485 states. [2021-07-13 19:11:28,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294485 to 294482. [2021-07-13 19:11:28,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294482 states, 294469 states have (on average 3.038085503058047) internal successors, (894622), 294481 states have internal predecessors, (894622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:11:30,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294482 states to 294482 states and 894622 transitions. [2021-07-13 19:11:30,683 INFO L78 Accepts]: Start accepts. Automaton has 294482 states and 894622 transitions. Word has length 47 [2021-07-13 19:11:30,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:11:30,684 INFO L482 AbstractCegarLoop]: Abstraction has 294482 states and 894622 transitions. [2021-07-13 19:11:30,684 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:11:30,684 INFO L276 IsEmpty]: Start isEmpty. Operand 294482 states and 894622 transitions. [2021-07-13 19:11:30,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-07-13 19:11:30,686 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:11:30,686 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:11:30,687 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-07-13 19:11:30,687 INFO L430 AbstractCegarLoop]: === Iteration 3 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:11:30,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:11:30,687 INFO L82 PathProgramCache]: Analyzing trace with hash -2021494696, now seen corresponding path program 1 times [2021-07-13 19:11:30,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:11:30,687 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252018821] [2021-07-13 19:11:30,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:11:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:11:30,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:11:30,738 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:11:30,738 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252018821] [2021-07-13 19:11:30,738 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252018821] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:11:30,738 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604553616] [2021-07-13 19:11:30,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:11:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:11:30,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-13 19:11:30,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:11:30,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:11:30,954 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604553616] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:11:30,954 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:11:30,954 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-07-13 19:11:30,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848292992] [2021-07-13 19:11:30,955 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-13 19:11:30,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:11:30,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-13 19:11:30,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-13 19:11:30,955 INFO L87 Difference]: Start difference. First operand 294482 states and 894622 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:11:33,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:11:33,482 INFO L93 Difference]: Finished difference Result 294490 states and 894630 transitions. [2021-07-13 19:11:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 19:11:33,483 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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) Word has length 52 [2021-07-13 19:11:33,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:11:35,291 INFO L225 Difference]: With dead ends: 294490 [2021-07-13 19:11:35,291 INFO L226 Difference]: Without dead ends: 294490 [2021-07-13 19:11:35,291 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 19.9ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-07-13 19:12:01,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294490 states. [2021-07-13 19:12:07,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294490 to 294487. [2021-07-13 19:12:08,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294487 states, 294474 states have (on average 3.0380508975325498) internal successors, (894627), 294486 states have internal predecessors, (894627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:12:09,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294487 states to 294487 states and 894627 transitions. [2021-07-13 19:12:09,831 INFO L78 Accepts]: Start accepts. Automaton has 294487 states and 894627 transitions. Word has length 52 [2021-07-13 19:12:09,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:12:09,831 INFO L482 AbstractCegarLoop]: Abstraction has 294487 states and 894627 transitions. [2021-07-13 19:12:09,831 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:12:09,831 INFO L276 IsEmpty]: Start isEmpty. Operand 294487 states and 894627 transitions. [2021-07-13 19:12:09,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-07-13 19:12:09,833 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:12:09,833 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:12:10,049 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:12:10,049 INFO L430 AbstractCegarLoop]: === Iteration 4 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:12:10,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:12:10,050 INFO L82 PathProgramCache]: Analyzing trace with hash -2031424561, now seen corresponding path program 2 times [2021-07-13 19:12:10,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:12:10,050 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542895787] [2021-07-13 19:12:10,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:12:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:12:10,075 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:12:10,075 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:12:10,075 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542895787] [2021-07-13 19:12:10,075 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542895787] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:12:10,075 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792786287] [2021-07-13 19:12:10,075 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:12:10,138 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-07-13 19:12:10,138 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:12:10,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-13 19:12:10,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:12:10,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-07-13 19:12:10,156 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:12:10,157 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:12:10,157 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:12:10,157 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-07-13 19:12:10,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-07-13 19:12:10,166 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:12:10,168 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:12:10,169 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:12:10,169 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-07-13 19:12:10,200 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-13 19:12:10,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-07-13 19:12:10,202 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:12:10,204 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:12:10,205 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:12:10,205 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2021-07-13 19:12:10,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-07-13 19:12:10,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-13 19:12:10,229 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 19:12:10,232 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:12:10,233 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:12:10,236 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:12:10,237 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:12:10,238 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:26, output treesize:6 [2021-07-13 19:12:10,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-07-13 19:12:10,276 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:12:10,277 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:12:10,277 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 19:12:10,277 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:14, output treesize:6 [2021-07-13 19:12:10,309 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-13 19:12:10,310 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792786287] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 19:12:10,310 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-13 19:12:10,310 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [7] total 16 [2021-07-13 19:12:10,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366405835] [2021-07-13 19:12:10,310 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-13 19:12:10,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:12:10,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-13 19:12:10,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-07-13 19:12:10,311 INFO L87 Difference]: Start difference. First operand 294487 states and 894627 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:12:20,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:12:20,972 INFO L93 Difference]: Finished difference Result 994632 states and 3028388 transitions. [2021-07-13 19:12:20,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-13 19:12:20,972 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 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) Word has length 57 [2021-07-13 19:12:20,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:12:28,666 INFO L225 Difference]: With dead ends: 994632 [2021-07-13 19:12:28,666 INFO L226 Difference]: Without dead ends: 994632 [2021-07-13 19:12:28,667 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 556 ImplicationChecksByTransitivity, 451.4ms TimeCoverageRelationStatistics Valid=480, Invalid=1872, Unknown=0, NotChecked=0, Total=2352 [2021-07-13 19:13:15,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994632 states. [2021-07-13 19:13:31,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994632 to 449697. [2021-07-13 19:13:32,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449697 states, 449684 states have (on average 3.0566064169505696) internal successors, (1374507), 449696 states have internal predecessors, (1374507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:13:35,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449697 states to 449697 states and 1374507 transitions. [2021-07-13 19:13:35,896 INFO L78 Accepts]: Start accepts. Automaton has 449697 states and 1374507 transitions. Word has length 57 [2021-07-13 19:13:35,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:13:35,896 INFO L482 AbstractCegarLoop]: Abstraction has 449697 states and 1374507 transitions. [2021-07-13 19:13:35,896 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:13:35,897 INFO L276 IsEmpty]: Start isEmpty. Operand 449697 states and 1374507 transitions. [2021-07-13 19:13:35,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-07-13 19:13:35,908 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:13:35,909 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:13:36,124 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:13:36,124 INFO L430 AbstractCegarLoop]: === Iteration 5 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:13:36,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:13:36,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1895643615, now seen corresponding path program 1 times [2021-07-13 19:13:36,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:13:36,125 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442210651] [2021-07-13 19:13:36,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:13:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:13:36,167 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-13 19:13:36,167 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:13:36,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442210651] [2021-07-13 19:13:36,168 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442210651] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:13:36,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787822781] [2021-07-13 19:13:36,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:13:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:13:36,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-13 19:13:36,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:13:36,368 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-13 19:13:36,368 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787822781] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:13:36,368 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:13:36,368 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-07-13 19:13:36,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104368360] [2021-07-13 19:13:36,372 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-13 19:13:36,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:13:36,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-13 19:13:36,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-07-13 19:13:36,373 INFO L87 Difference]: Start difference. First operand 449697 states and 1374507 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:13:40,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:13:40,921 INFO L93 Difference]: Finished difference Result 449705 states and 1374515 transitions. [2021-07-13 19:13:40,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 19:13:40,921 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 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) Word has length 66 [2021-07-13 19:13:40,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:13:43,689 INFO L225 Difference]: With dead ends: 449705 [2021-07-13 19:13:43,690 INFO L226 Difference]: Without dead ends: 449705 [2021-07-13 19:13:43,690 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 42.4ms TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-07-13 19:14:14,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449705 states. [2021-07-13 19:14:23,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449705 to 449702. [2021-07-13 19:14:25,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449702 states, 449689 states have (on average 3.056583549964531) internal successors, (1374512), 449701 states have internal predecessors, (1374512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:14:29,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449702 states to 449702 states and 1374512 transitions. [2021-07-13 19:14:29,510 INFO L78 Accepts]: Start accepts. Automaton has 449702 states and 1374512 transitions. Word has length 66 [2021-07-13 19:14:29,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:14:29,510 INFO L482 AbstractCegarLoop]: Abstraction has 449702 states and 1374512 transitions. [2021-07-13 19:14:29,510 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:14:29,510 INFO L276 IsEmpty]: Start isEmpty. Operand 449702 states and 1374512 transitions. [2021-07-13 19:14:29,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-07-13 19:14:29,525 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:14:29,528 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:14:29,744 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:14:29,744 INFO L430 AbstractCegarLoop]: === Iteration 6 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:14:29,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:14:29,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1451858600, now seen corresponding path program 2 times [2021-07-13 19:14:29,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:14:29,746 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868638254] [2021-07-13 19:14:29,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:14:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:14:29,829 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-13 19:14:29,830 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:14:29,830 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868638254] [2021-07-13 19:14:29,830 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868638254] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:14:29,830 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333254333] [2021-07-13 19:14:29,830 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:14:30,287 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 19:14:30,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:14:30,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-13 19:14:30,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:14:30,405 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-13 19:14:30,406 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333254333] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:14:30,406 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:14:30,406 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-07-13 19:14:30,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788196204] [2021-07-13 19:14:30,406 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-13 19:14:30,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:14:30,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-13 19:14:30,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-07-13 19:14:30,407 INFO L87 Difference]: Start difference. First operand 449702 states and 1374512 transitions. Second operand has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:14:34,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:14:34,680 INFO L93 Difference]: Finished difference Result 449710 states and 1374520 transitions. [2021-07-13 19:14:34,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 19:14:34,681 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 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) Word has length 71 [2021-07-13 19:14:34,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:14:37,132 INFO L225 Difference]: With dead ends: 449710 [2021-07-13 19:14:37,133 INFO L226 Difference]: Without dead ends: 449710 [2021-07-13 19:14:37,133 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 85.2ms TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2021-07-13 19:15:07,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449710 states. [2021-07-13 19:15:17,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449710 to 449707. [2021-07-13 19:15:18,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449707 states, 449694 states have (on average 3.0565606834869934) internal successors, (1374517), 449706 states have internal predecessors, (1374517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:15:21,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449707 states to 449707 states and 1374517 transitions. [2021-07-13 19:15:21,830 INFO L78 Accepts]: Start accepts. Automaton has 449707 states and 1374517 transitions. Word has length 71 [2021-07-13 19:15:21,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:15:21,830 INFO L482 AbstractCegarLoop]: Abstraction has 449707 states and 1374517 transitions. [2021-07-13 19:15:21,830 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:15:21,830 INFO L276 IsEmpty]: Start isEmpty. Operand 449707 states and 1374517 transitions. [2021-07-13 19:15:21,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-07-13 19:15:21,845 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:15:21,845 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:15:22,061 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-07-13 19:15:22,062 INFO L430 AbstractCegarLoop]: === Iteration 7 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:15:22,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:15:22,063 INFO L82 PathProgramCache]: Analyzing trace with hash -817319807, now seen corresponding path program 3 times [2021-07-13 19:15:22,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:15:22,063 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820862248] [2021-07-13 19:15:22,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:15:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:15:22,176 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-13 19:15:22,177 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:15:22,177 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820862248] [2021-07-13 19:15:22,177 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820862248] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:15:22,177 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838142948] [2021-07-13 19:15:22,177 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:15:22,296 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-13 19:15:22,296 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:15:22,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 19:15:22,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:15:22,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-07-13 19:15:22,338 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:15:22,339 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:15:22,339 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:15:22,340 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-07-13 19:15:22,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-07-13 19:15:22,350 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:15:22,353 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:15:22,353 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:15:22,353 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-07-13 19:15:22,434 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-13 19:15:22,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-07-13 19:15:22,435 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:15:22,438 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:15:22,438 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:15:22,438 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2021-07-13 19:15:22,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-07-13 19:15:22,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-13 19:15:22,463 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 19:15:22,466 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:15:22,467 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:15:22,470 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:15:22,471 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:15:22,471 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:26, output treesize:11 [2021-07-13 19:15:22,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-07-13 19:15:22,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-13 19:15:22,535 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 19:15:22,538 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:15:22,538 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:15:22,542 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:15:22,543 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:15:22,543 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:26, output treesize:6 [2021-07-13 19:15:22,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-07-13 19:15:22,558 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:15:22,559 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:15:22,560 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 19:15:22,560 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:14, output treesize:6 [2021-07-13 19:15:22,599 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-07-13 19:15:22,599 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838142948] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:15:22,599 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:15:22,599 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-13 19:15:22,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569326592] [2021-07-13 19:15:22,600 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-13 19:15:22,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:15:22,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-13 19:15:22,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2021-07-13 19:15:22,601 INFO L87 Difference]: Start difference. First operand 449707 states and 1374517 transitions. Second operand has 20 states, 20 states have (on average 5.95) internal successors, (119), 20 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:15:34,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:15:34,258 INFO L93 Difference]: Finished difference Result 909341 states and 2764948 transitions. [2021-07-13 19:15:34,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 19:15:34,259 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.95) internal successors, (119), 20 states have internal predecessors, (119), 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) Word has length 76 [2021-07-13 19:15:34,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:15:40,978 INFO L225 Difference]: With dead ends: 909341 [2021-07-13 19:15:40,978 INFO L226 Difference]: Without dead ends: 909341 [2021-07-13 19:15:40,981 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 703 ImplicationChecksByTransitivity, 625.9ms TimeCoverageRelationStatistics Valid=481, Invalid=2599, Unknown=0, NotChecked=0, Total=3080