/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stack-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 18:56:19,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 18:56:19,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 18:56:19,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-22 18:56:19,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-22 18:56:19,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-22 18:56:19,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-22 18:56:19,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-22 18:56:19,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-22 18:56:19,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-22 18:56:19,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-22 18:56:19,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2021-08-22 18:56:19,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-22 18:56:19,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-22 18:56:19,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-22 18:56:19,951 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-08-22 18:56:19,972 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 18:56:19,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 18:56:19,973 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 18:56:19,973 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 18:56:19,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 18:56:19,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 18:56:19,974 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 18:56:19,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 18:56:19,975 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 18:56:19,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 18:56:19,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 18:56:19,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 18:56:19,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 18:56:19,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 18:56:19,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 18:56:19,976 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 18:56:19,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 18:56:19,976 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 18:56:19,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 18:56:19,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 18:56:19,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 18:56:19,976 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 18:56:19,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 18:56:19,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 18:56:19,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 18:56:19,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 18:56:19,977 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 18:56:19,977 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 18:56:19,977 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-22 18:56:19,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 18:56:19,978 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 18:56:19,978 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 18:56:19,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 18:56:19,978 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-22 18:56:19,978 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-08-22 18:56:19,978 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 18:56:20,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 18:56:20,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 18:56:20,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 18:56:20,283 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-22 18:56:20,284 INFO L275 PluginConnector]: CDTParser initialized [2021-08-22 18:56:20,285 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack-2.i [2021-08-22 18:56:20,342 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d65a6931/067e513df6e945fd927d98024a530b2f/FLAG2851ce78e [2021-08-22 18:56:20,893 INFO L306 CDTParser]: Found 1 translation units. [2021-08-22 18:56:20,894 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i [2021-08-22 18:56:20,916 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d65a6931/067e513df6e945fd927d98024a530b2f/FLAG2851ce78e [2021-08-22 18:56:21,207 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d65a6931/067e513df6e945fd927d98024a530b2f [2021-08-22 18:56:21,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 18:56:21,217 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-22 18:56:21,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-22 18:56:21,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-22 18:56:21,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-22 18:56:21,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:56:21" (1/1) ... [2021-08-22 18:56:21,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75aa0e97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:56:21, skipping insertion in model container [2021-08-22 18:56:21,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:56:21" (1/1) ... [2021-08-22 18:56:21,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-22 18:56:21,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-22 18:56:21,611 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i[41520,41533] [2021-08-22 18:56:21,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-22 18:56:21,640 INFO L203 MainTranslator]: Completed pre-run [2021-08-22 18:56:21,672 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i[41520,41533] [2021-08-22 18:56:21,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-22 18:56:21,729 INFO L208 MainTranslator]: Completed translation [2021-08-22 18:56:21,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:56:21 WrapperNode [2021-08-22 18:56:21,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-22 18:56:21,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 18:56:21,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 18:56:21,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 18:56:21,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:56:21" (1/1) ... [2021-08-22 18:56:21,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:56:21" (1/1) ... [2021-08-22 18:56:21,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 18:56:21,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 18:56:21,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 18:56:21,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 18:56:21,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:56:21" (1/1) ... [2021-08-22 18:56:21,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:56:21" (1/1) ... [2021-08-22 18:56:21,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:56:21" (1/1) ... [2021-08-22 18:56:21,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:56:21" (1/1) ... [2021-08-22 18:56:21,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:56:21" (1/1) ... [2021-08-22 18:56:21,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:56:21" (1/1) ... [2021-08-22 18:56:21,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:56:21" (1/1) ... [2021-08-22 18:56:21,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 18:56:21,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 18:56:21,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 18:56:21,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 18:56:21,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:56:21" (1/1) ... [2021-08-22 18:56:21,809 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 18:56:21,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:56:21,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-22 18:56:21,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-22 18:56:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-08-22 18:56:21,882 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-08-22 18:56:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-08-22 18:56:21,882 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-08-22 18:56:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-22 18:56:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-22 18:56:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-22 18:56:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-22 18:56:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-08-22 18:56:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-22 18:56:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 18:56:21,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 18:56:21,886 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-22 18:56:22,392 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 18:56:22,392 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-08-22 18:56:22,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:56:22 BoogieIcfgContainer [2021-08-22 18:56:22,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 18:56:22,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 18:56:22,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 18:56:22,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 18:56:22,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 06:56:21" (1/3) ... [2021-08-22 18:56:22,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52598d5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:56:22, skipping insertion in model container [2021-08-22 18:56:22,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:56:21" (2/3) ... [2021-08-22 18:56:22,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52598d5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:56:22, skipping insertion in model container [2021-08-22 18:56:22,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:56:22" (3/3) ... [2021-08-22 18:56:22,404 INFO L111 eAbstractionObserver]: Analyzing ICFG stack-2.i [2021-08-22 18:56:22,409 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 18:56:22,409 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 18:56:22,409 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-22 18:56:22,409 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 18:56:22,458 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,459 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,459 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,459 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,459 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,459 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,459 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,459 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,460 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,460 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,460 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,460 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,460 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,460 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,460 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,461 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,461 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,462 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,462 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,462 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,462 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,462 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,463 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,463 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,463 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,464 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,464 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,464 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,464 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,464 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,465 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,465 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,466 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,466 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,466 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,466 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,466 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,466 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,466 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,466 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,467 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,467 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,467 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,467 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,467 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,467 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,467 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,468 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,469 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,470 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,470 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,470 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,470 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,470 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,470 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,470 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,471 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,471 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,471 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,471 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,471 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,471 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,471 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,471 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,471 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,472 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,472 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,472 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,472 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,472 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,473 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,473 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,473 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,473 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,473 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,473 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,473 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,473 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,474 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,474 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,474 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,474 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,474 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,474 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,474 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,475 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,475 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,476 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,476 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,478 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,482 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,483 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,483 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,483 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,483 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,483 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,483 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,483 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,483 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,484 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,484 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,485 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,485 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,485 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,485 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,485 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,485 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,485 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,485 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,486 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,486 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,486 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,486 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,486 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,486 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,486 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,486 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,487 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,487 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,487 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,487 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,487 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,487 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,487 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,487 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,488 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,488 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,488 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,489 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,489 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,489 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,490 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,490 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,490 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,490 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,490 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,490 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,490 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,490 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,491 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,491 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,491 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,491 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,491 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,491 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,491 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,492 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,492 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,492 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,492 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,492 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,492 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,492 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,493 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,494 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,495 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,495 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,495 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,495 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,495 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,495 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,495 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,496 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,496 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,496 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,496 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,496 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,496 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,496 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,496 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,496 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,496 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,497 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,497 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,497 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,497 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,497 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,497 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,497 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,497 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,497 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,498 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,498 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,498 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,498 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,498 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,498 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,498 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,498 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,498 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,498 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,499 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,499 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,499 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,499 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,499 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,499 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,500 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,500 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,500 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,500 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,500 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,500 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,501 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,501 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,506 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,506 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,507 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,507 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,507 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,507 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,507 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,507 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,507 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,507 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,508 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,511 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,512 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,512 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,512 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,513 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,513 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,513 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,513 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,513 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,513 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,513 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,513 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,513 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,514 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,514 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,514 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,514 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,514 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,514 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,514 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,515 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,515 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,515 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,515 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,515 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,515 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,515 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,516 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,516 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,516 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,517 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,517 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,517 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,517 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,517 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,517 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,518 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,518 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,518 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,518 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,518 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,518 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,518 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,519 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,519 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,522 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,522 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,522 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,522 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,523 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,523 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,523 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,523 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,523 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,523 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,523 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,523 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,524 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,524 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,524 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,524 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,524 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,524 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,524 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,524 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,525 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,525 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,525 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,529 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,530 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,530 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,530 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,530 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,530 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,530 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,530 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,530 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,531 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,531 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,531 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,531 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,531 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,531 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,531 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,531 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,532 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,532 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 18:56:22,538 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-08-22 18:56:22,586 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 18:56:22,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:56:22,593 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-22 18:56:22,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-22 18:56:22,632 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Thread1of1ForFork0 ======== [2021-08-22 18:56:22,637 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-22 18:56:22,638 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-22 18:56:22,809 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:56:22,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:56:22,815 INFO L82 PathProgramCache]: Analyzing trace with hash 297107878, now seen corresponding path program 1 times [2021-08-22 18:56:22,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:56:22,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945092177] [2021-08-22 18:56:22,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:22,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:56:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:23,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 18:56:23,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:56:23,064 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945092177] [2021-08-22 18:56:23,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945092177] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 18:56:23,065 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 18:56:23,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-22 18:56:23,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088580265] [2021-08-22 18:56:23,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-22 18:56:23,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:56:23,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-22 18:56:23,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-22 18:56:23,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:23,083 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:56:23,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:56:23,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:23,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:23,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 18:56:23,112 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:56:23,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:56:23,115 INFO L82 PathProgramCache]: Analyzing trace with hash -722212626, now seen corresponding path program 1 times [2021-08-22 18:56:23,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:56:23,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300223599] [2021-08-22 18:56:23,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:23,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:56:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:23,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 18:56:23,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:56:23,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300223599] [2021-08-22 18:56:23,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300223599] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 18:56:23,296 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 18:56:23,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 18:56:23,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26461690] [2021-08-22 18:56:23,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 18:56:23,299 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:56:23,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 18:56:23,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 18:56:23,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:23,299 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:56:23,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:56:23,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:23,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:23,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:23,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-22 18:56:23,401 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:56:23,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:56:23,409 INFO L82 PathProgramCache]: Analyzing trace with hash -985751022, now seen corresponding path program 1 times [2021-08-22 18:56:23,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:56:23,409 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859689276] [2021-08-22 18:56:23,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:23,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:56:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:23,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 18:56:23,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:56:23,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859689276] [2021-08-22 18:56:23,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859689276] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 18:56:23,507 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 18:56:23,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-22 18:56:23,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179343087] [2021-08-22 18:56:23,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-22 18:56:23,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:56:23,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-22 18:56:23,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-22 18:56:23,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:23,509 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:56:23,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 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) [2021-08-22 18:56:23,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:23,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:23,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:23,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:23,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:23,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:23,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-22 18:56:23,588 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:56:23,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:56:23,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1502445773, now seen corresponding path program 1 times [2021-08-22 18:56:23,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:56:23,589 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36572523] [2021-08-22 18:56:23,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:23,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:56:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:23,680 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 18:56:23,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:56:23,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36572523] [2021-08-22 18:56:23,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36572523] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 18:56:23,681 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 18:56:23,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 18:56:23,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678728878] [2021-08-22 18:56:23,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 18:56:23,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:56:23,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 18:56:23,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 18:56:23,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:23,682 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:56:23,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:56:23,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:23,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:23,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:23,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:23,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:23,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:23,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:23,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:23,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-22 18:56:23,724 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:56:23,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:56:23,724 INFO L82 PathProgramCache]: Analyzing trace with hash 985067060, now seen corresponding path program 1 times [2021-08-22 18:56:23,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:56:23,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399151559] [2021-08-22 18:56:23,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:23,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:56:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:23,806 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 18:56:23,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:56:23,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399151559] [2021-08-22 18:56:23,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399151559] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:56:23,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102629913] [2021-08-22 18:56:23,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:23,807 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:56:23,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:56:23,809 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 18:56:23,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-22 18:56:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:23,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-22 18:56:23,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 18:56:24,449 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 18:56:24,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [102629913] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:56:24,450 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 18:56:24,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-08-22 18:56:24,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449194088] [2021-08-22 18:56:24,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-22 18:56:24,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:56:24,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-22 18:56:24,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-22 18:56:24,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:24,453 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:56:24,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 7 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:56:24,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:24,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:24,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:24,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:24,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:24,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:24,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:24,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:24,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:24,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:24,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-22 18:56:24,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:56:24,789 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:56:24,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:56:24,790 INFO L82 PathProgramCache]: Analyzing trace with hash -261230733, now seen corresponding path program 1 times [2021-08-22 18:56:24,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:56:24,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41220743] [2021-08-22 18:56:24,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:24,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:56:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:24,873 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-22 18:56:24,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:56:24,874 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41220743] [2021-08-22 18:56:24,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41220743] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 18:56:24,874 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 18:56:24,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 18:56:24,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084648811] [2021-08-22 18:56:24,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 18:56:24,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:56:24,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 18:56:24,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 18:56:24,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:24,877 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:56:24,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:56:24,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:24,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:24,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:24,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:24,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:24,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:24,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:24,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:24,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:24,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:24,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-22 18:56:24,960 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:56:24,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:56:24,961 INFO L82 PathProgramCache]: Analyzing trace with hash 746968182, now seen corresponding path program 1 times [2021-08-22 18:56:24,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:56:24,965 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669186551] [2021-08-22 18:56:24,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:24,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:56:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:25,138 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 6 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 18:56:25,138 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:56:25,138 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669186551] [2021-08-22 18:56:25,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669186551] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:56:25,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634100194] [2021-08-22 18:56:25,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:25,139 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:56:25,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:56:25,140 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 18:56:25,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-22 18:56:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:25,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-22 18:56:25,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 18:56:25,916 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 6 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 18:56:25,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634100194] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:56:25,917 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 18:56:25,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-08-22 18:56:25,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759458886] [2021-08-22 18:56:25,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-22 18:56:25,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:56:25,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-22 18:56:25,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-08-22 18:56:25,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:25,919 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:56:25,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 24.11111111111111) internal successors, (217), 9 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:56:25,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:25,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:25,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:25,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:25,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:25,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:25,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:26,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:26,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:26,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:26,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:26,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:26,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:26,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:26,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-22 18:56:26,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:56:26,233 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:56:26,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:56:26,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1595638730, now seen corresponding path program 1 times [2021-08-22 18:56:26,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:56:26,233 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897698699] [2021-08-22 18:56:26,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:26,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:56:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:26,331 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 134 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-08-22 18:56:26,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:56:26,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897698699] [2021-08-22 18:56:26,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897698699] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:56:26,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925158542] [2021-08-22 18:56:26,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:26,332 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:56:26,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:56:26,339 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 18:56:26,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-22 18:56:26,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:26,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-22 18:56:26,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 18:56:27,231 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-08-22 18:56:27,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925158542] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 18:56:27,232 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-22 18:56:27,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2021-08-22 18:56:27,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230769968] [2021-08-22 18:56:27,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-22 18:56:27,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:56:27,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-22 18:56:27,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-08-22 18:56:27,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:27,233 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:56:27,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.444444444444443) internal successors, (184), 9 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:56:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:27,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:27,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:27,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:27,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:27,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:27,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:27,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:27,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:27,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-22 18:56:27,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:56:27,605 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:56:27,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:56:27,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1262727123, now seen corresponding path program 1 times [2021-08-22 18:56:27,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:56:27,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866466058] [2021-08-22 18:56:27,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:27,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:56:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:27,716 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-08-22 18:56:27,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:56:27,718 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866466058] [2021-08-22 18:56:27,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866466058] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:56:27,718 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464859253] [2021-08-22 18:56:27,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:27,718 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:56:27,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:56:27,719 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 18:56:27,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-22 18:56:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:28,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-22 18:56:28,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 18:56:28,615 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-08-22 18:56:28,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464859253] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:56:28,615 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 18:56:28,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2021-08-22 18:56:28,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388872090] [2021-08-22 18:56:28,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-22 18:56:28,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:56:28,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-22 18:56:28,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-08-22 18:56:28,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:28,617 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:56:28,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 21.4) internal successors, (214), 10 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:56:28,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:28,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:28,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:28,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:28,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:28,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:28,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:28,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:28,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 18:56:28,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-22 18:56:28,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:56:28,975 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:56:28,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:56:28,976 INFO L82 PathProgramCache]: Analyzing trace with hash -973361432, now seen corresponding path program 1 times [2021-08-22 18:56:28,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:56:28,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926743375] [2021-08-22 18:56:28,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:28,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:56:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:29,065 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 226 proven. 9 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-08-22 18:56:29,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:56:29,066 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926743375] [2021-08-22 18:56:29,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926743375] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:56:29,066 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833692247] [2021-08-22 18:56:29,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:29,066 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:56:29,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:56:29,067 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 18:56:29,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-22 18:56:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:29,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-22 18:56:29,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 18:56:30,158 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 226 proven. 9 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-08-22 18:56:30,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833692247] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:56:30,159 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 18:56:30,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-08-22 18:56:30,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121666306] [2021-08-22 18:56:30,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-22 18:56:30,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:56:30,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-22 18:56:30,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-22 18:56:30,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:30,160 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:56:30,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 39.142857142857146) internal successors, (274), 7 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:56:30,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:30,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:30,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:30,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:30,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:30,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:30,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:30,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:30,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-22 18:56:30,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:30,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:30,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:30,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:30,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:30,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:30,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:30,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:30,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:30,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 18:56:30,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:30,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-22 18:56:30,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:56:30,477 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:56:30,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:56:30,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1282661593, now seen corresponding path program 1 times [2021-08-22 18:56:30,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:56:30,477 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806550267] [2021-08-22 18:56:30,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:30,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:56:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:30,608 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 201 proven. 87 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-08-22 18:56:30,609 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:56:30,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806550267] [2021-08-22 18:56:30,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806550267] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:56:30,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906041910] [2021-08-22 18:56:30,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:30,609 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:56:30,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:56:30,610 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 18:56:30,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-22 18:56:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:31,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-22 18:56:31,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 18:56:31,967 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 240 proven. 3 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-08-22 18:56:31,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906041910] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:56:31,968 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 18:56:31,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2021-08-22 18:56:31,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760913872] [2021-08-22 18:56:31,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-22 18:56:31,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:56:31,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-22 18:56:31,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-08-22 18:56:31,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:31,970 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:56:31,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 27.933333333333334) internal successors, (419), 15 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:56:31,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:31,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:31,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:31,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:31,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:31,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:31,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:31,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:31,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-22 18:56:31,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:31,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:32,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:32,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:32,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:32,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:32,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:32,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:32,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:32,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:32,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 18:56:32,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:32,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-22 18:56:32,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-22 18:56:32,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:56:32,857 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:56:32,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:56:32,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1775429368, now seen corresponding path program 2 times [2021-08-22 18:56:32,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:56:32,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181504181] [2021-08-22 18:56:32,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:32,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:56:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:33,028 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 430 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-08-22 18:56:33,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:56:33,029 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181504181] [2021-08-22 18:56:33,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181504181] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:56:33,029 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857055676] [2021-08-22 18:56:33,029 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 18:56:33,029 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:56:33,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:56:33,030 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 18:56:33,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-22 18:56:33,682 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 18:56:33,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 18:56:33,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-22 18:56:33,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 18:56:34,807 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 430 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-08-22 18:56:34,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857055676] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:56:34,807 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 18:56:34,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-08-22 18:56:34,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999671117] [2021-08-22 18:56:34,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-22 18:56:34,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:56:34,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-22 18:56:34,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-08-22 18:56:34,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:34,809 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:56:34,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 37.45454545454545) internal successors, (412), 11 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:56:34,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:34,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:34,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:34,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:34,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:34,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:34,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:34,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:34,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-22 18:56:34,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:34,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-22 18:56:34,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:35,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:35,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:35,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:35,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:35,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:35,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:35,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:35,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:35,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 18:56:35,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:35,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-22 18:56:35,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:35,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-22 18:56:35,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-08-22 18:56:35,237 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:56:35,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:56:35,238 INFO L82 PathProgramCache]: Analyzing trace with hash 947898789, now seen corresponding path program 3 times [2021-08-22 18:56:35,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:56:35,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738685800] [2021-08-22 18:56:35,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:35,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:56:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:35,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1069 backedges. 532 proven. 489 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-08-22 18:56:35,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:56:35,480 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738685800] [2021-08-22 18:56:35,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738685800] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:56:35,480 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942815102] [2021-08-22 18:56:35,480 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 18:56:35,480 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:56:35,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:56:35,485 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 18:56:35,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-22 18:56:36,435 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-08-22 18:56:36,436 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 18:56:36,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-22 18:56:36,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 18:56:37,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1069 backedges. 532 proven. 489 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-08-22 18:56:37,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1942815102] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:56:37,691 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 18:56:37,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-08-22 18:56:37,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829032945] [2021-08-22 18:56:37,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-22 18:56:37,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:56:37,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-22 18:56:37,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-08-22 18:56:37,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:37,692 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:56:37,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:56:37,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:37,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:37,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:37,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:37,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:37,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:37,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:37,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:37,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-22 18:56:37,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:37,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-22 18:56:37,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:37,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:37,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:37,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:37,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:37,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:37,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:37,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:37,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:37,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:37,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 18:56:37,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:37,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-22 18:56:37,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:37,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-22 18:56:37,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-22 18:56:38,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-08-22 18:56:38,085 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:56:38,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:56:38,086 INFO L82 PathProgramCache]: Analyzing trace with hash -311010520, now seen corresponding path program 4 times [2021-08-22 18:56:38,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:56:38,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623187692] [2021-08-22 18:56:38,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:38,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:56:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:38,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1469 backedges. 24 proven. 575 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2021-08-22 18:56:38,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:56:38,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623187692] [2021-08-22 18:56:38,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623187692] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:56:38,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267621628] [2021-08-22 18:56:38,381 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-22 18:56:38,382 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:56:38,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:56:38,385 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 18:56:38,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-22 18:56:39,325 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-22 18:56:39,325 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 18:56:39,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-22 18:56:39,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 18:56:40,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1469 backedges. 1279 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-08-22 18:56:40,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1267621628] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 18:56:40,763 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-22 18:56:40,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [10] total 21 [2021-08-22 18:56:40,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297766240] [2021-08-22 18:56:40,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-22 18:56:40,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:56:40,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-22 18:56:40,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=347, Unknown=0, NotChecked=0, Total=420 [2021-08-22 18:56:40,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:40,765 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:56:40,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 31.0) internal successors, (403), 13 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:56:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-22 18:56:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-22 18:56:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-22 18:56:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:41,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:41,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:41,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:41,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:41,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:41,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:41,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:41,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:41,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 18:56:41,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:41,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-08-22 18:56:41,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:41,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-22 18:56:41,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 18:56:41,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-22 18:56:41,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-08-22 18:56:41,949 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:56:41,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:56:41,949 INFO L82 PathProgramCache]: Analyzing trace with hash 476950348, now seen corresponding path program 1 times [2021-08-22 18:56:41,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:56:41,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194717084] [2021-08-22 18:56:41,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:41,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:56:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:42,120 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 12 proven. 261 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-08-22 18:56:42,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:56:42,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194717084] [2021-08-22 18:56:42,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194717084] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:56:42,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17440021] [2021-08-22 18:56:42,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:42,120 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:56:42,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:56:42,125 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 18:56:42,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-08-22 18:56:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:43,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-22 18:56:43,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 18:56:43,987 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 12 proven. 261 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-08-22 18:56:43,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17440021] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:56:43,988 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 18:56:43,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-08-22 18:56:43,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368870257] [2021-08-22 18:56:43,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-22 18:56:43,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:56:43,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-22 18:56:43,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-08-22 18:56:43,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:43,989 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:56:43,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 22.076923076923077) internal successors, (287), 13 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:56:43,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:43,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:43,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:43,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:43,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:43,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:43,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:43,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:43,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-22 18:56:43,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:43,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-08-22 18:56:43,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:43,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-22 18:56:43,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 18:56:43,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:45,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:45,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:45,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:45,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:45,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:45,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:45,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:45,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:45,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 18:56:45,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:45,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-22 18:56:45,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:45,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-22 18:56:45,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 18:56:45,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 18:56:45,675 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-08-22 18:56:45,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-08-22 18:56:45,857 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:56:45,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:56:45,857 INFO L82 PathProgramCache]: Analyzing trace with hash 841050101, now seen corresponding path program 2 times [2021-08-22 18:56:45,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:56:45,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463030730] [2021-08-22 18:56:45,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:45,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:56:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:46,024 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 12 proven. 274 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-08-22 18:56:46,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:56:46,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463030730] [2021-08-22 18:56:46,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463030730] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:56:46,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207933196] [2021-08-22 18:56:46,024 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 18:56:46,025 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:56:46,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:56:46,025 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 18:56:46,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-22 18:56:47,233 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 18:56:47,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 18:56:47,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-22 18:56:47,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 18:56:48,022 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 12 proven. 274 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-08-22 18:56:48,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207933196] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:56:48,023 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 18:56:48,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 14 [2021-08-22 18:56:48,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785833742] [2021-08-22 18:56:48,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-08-22 18:56:48,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:56:48,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-22 18:56:48,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2021-08-22 18:56:48,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:48,024 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:56:48,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 21.357142857142858) internal successors, (299), 14 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:56:48,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:48,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:48,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:48,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:48,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:48,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:48,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:48,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:48,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-22 18:56:48,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:48,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-08-22 18:56:48,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:48,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-22 18:56:48,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 18:56:48,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 18:56:48,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:50,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:50,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:50,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:50,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:50,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:50,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:50,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:50,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:50,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 18:56:50,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:50,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-22 18:56:50,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:50,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-22 18:56:50,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 18:56:50,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 18:56:50,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-22 18:56:50,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-08-22 18:56:50,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-08-22 18:56:50,591 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:56:50,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:56:50,591 INFO L82 PathProgramCache]: Analyzing trace with hash 616837734, now seen corresponding path program 1 times [2021-08-22 18:56:50,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:56:50,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612738012] [2021-08-22 18:56:50,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:50,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:56:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:50,686 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 178 proven. 1 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2021-08-22 18:56:50,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:56:50,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612738012] [2021-08-22 18:56:50,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612738012] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:56:50,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219028661] [2021-08-22 18:56:50,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:50,687 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:56:50,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:56:50,688 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 18:56:50,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-08-22 18:56:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:52,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-22 18:56:52,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 18:56:52,762 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2021-08-22 18:56:52,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219028661] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 18:56:52,762 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-22 18:56:52,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2021-08-22 18:56:52,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722952074] [2021-08-22 18:56:52,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-22 18:56:52,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:56:52,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-22 18:56:52,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-08-22 18:56:52,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:52,763 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:56:52,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 7 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:56:52,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:52,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:52,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:52,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:52,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:52,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:52,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:52,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:52,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-22 18:56:52,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:52,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-08-22 18:56:52,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:52,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-22 18:56:52,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 18:56:52,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 18:56:52,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-22 18:56:52,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:52,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:52,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:52,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:52,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:52,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:52,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:52,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:52,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:52,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 18:56:52,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:52,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-08-22 18:56:52,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:52,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-22 18:56:52,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 18:56:52,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 18:56:52,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-22 18:56:52,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:52,899 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-08-22 18:56:53,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-08-22 18:56:53,080 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:56:53,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:56:53,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1019718533, now seen corresponding path program 1 times [2021-08-22 18:56:53,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:56:53,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417599882] [2021-08-22 18:56:53,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:53,081 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:56:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:53,208 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 250 proven. 29 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-08-22 18:56:53,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:56:53,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417599882] [2021-08-22 18:56:53,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417599882] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:56:53,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535073878] [2021-08-22 18:56:53,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:53,209 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:56:53,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:56:53,213 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 18:56:53,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-08-22 18:56:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:54,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-22 18:56:54,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 18:56:55,533 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 252 proven. 4 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-08-22 18:56:55,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535073878] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:56:55,533 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 18:56:55,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 10 [2021-08-22 18:56:55,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841832020] [2021-08-22 18:56:55,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-22 18:56:55,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:56:55,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-22 18:56:55,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-08-22 18:56:55,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:55,535 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:56:55,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 24.4) internal successors, (244), 10 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:56:55,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:55,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:55,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:55,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:55,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:55,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:55,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:55,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:55,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-22 18:56:55,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:55,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-08-22 18:56:55,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:55,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-22 18:56:55,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 18:56:55,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 18:56:55,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-22 18:56:55,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:55,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:55,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:55,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:55,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 18:56:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-08-22 18:56:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-22 18:56:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 18:56:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 18:56:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-22 18:56:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:55,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-22 18:56:55,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-08-22 18:56:55,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:56:55,951 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:56:55,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:56:55,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1518359218, now seen corresponding path program 3 times [2021-08-22 18:56:55,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:56:55,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846688861] [2021-08-22 18:56:55,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:55,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:56:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:56,137 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 13 proven. 305 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-08-22 18:56:56,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:56:56,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846688861] [2021-08-22 18:56:56,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846688861] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:56:56,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325361498] [2021-08-22 18:56:56,140 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 18:56:56,140 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:56:56,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:56:56,141 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 18:56:56,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-08-22 18:56:57,728 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-08-22 18:56:57,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 18:56:57,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-22 18:56:57,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 18:56:58,475 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-08-22 18:56:58,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325361498] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 18:56:58,476 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-22 18:56:58,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 17 [2021-08-22 18:56:58,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475636240] [2021-08-22 18:56:58,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-22 18:56:58,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:56:58,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-22 18:56:58,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2021-08-22 18:56:58,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:58,477 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:56:58,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.333333333333336) internal successors, (194), 6 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:56:58,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:58,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:58,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:58,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:58,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:58,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:58,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:58,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:58,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-22 18:56:58,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:58,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-08-22 18:56:58,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:58,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-22 18:56:58,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 18:56:58,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 18:56:58,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-22 18:56:58,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:58,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-22 18:56:58,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:58,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:56:58,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:58,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:56:58,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:58,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:58,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:56:58,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:58,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:58,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 18:56:58,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:56:58,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-08-22 18:56:58,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:56:58,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-22 18:56:58,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 18:56:58,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 18:56:58,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-22 18:56:58,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:56:58,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-22 18:56:58,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 18:56:58,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-08-22 18:56:58,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:56:58,816 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:56:58,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:56:58,817 INFO L82 PathProgramCache]: Analyzing trace with hash 237942387, now seen corresponding path program 4 times [2021-08-22 18:56:58,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:56:58,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160739926] [2021-08-22 18:56:58,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:56:58,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:56:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:56:58,995 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 60 proven. 332 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-08-22 18:56:58,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:56:58,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160739926] [2021-08-22 18:56:58,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160739926] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:56:58,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725244239] [2021-08-22 18:56:58,996 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-22 18:56:58,996 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:56:58,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:56:59,005 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 18:56:59,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-08-22 18:57:00,576 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-22 18:57:00,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 18:57:00,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-22 18:57:00,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 18:57:01,427 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 60 proven. 309 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-08-22 18:57:01,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725244239] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:57:01,427 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 18:57:01,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 14 [2021-08-22 18:57:01,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729709563] [2021-08-22 18:57:01,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-08-22 18:57:01,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:57:01,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-22 18:57:01,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-08-22 18:57:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:01,429 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:57:01,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 23.0) internal successors, (322), 14 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:57:01,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:01,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:01,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:57:01,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:01,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:57:01,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:01,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:57:01,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:57:01,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-22 18:57:01,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:57:01,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-08-22 18:57:01,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:57:01,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-22 18:57:01,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 18:57:01,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 18:57:01,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-22 18:57:01,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:57:01,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-22 18:57:01,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 18:57:01,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:05,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:05,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:05,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:57:05,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:05,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:57:05,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:05,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:57:05,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:57:05,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:57:05,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:57:05,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2021-08-22 18:57:05,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:57:05,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-22 18:57:05,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 18:57:05,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 18:57:05,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 18:57:05,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:57:05,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-22 18:57:05,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 18:57:05,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 18:57:05,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-08-22 18:57:05,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:57:05,630 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:57:05,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:57:05,631 INFO L82 PathProgramCache]: Analyzing trace with hash -100042716, now seen corresponding path program 2 times [2021-08-22 18:57:05,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:57:05,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254743145] [2021-08-22 18:57:05,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:57:05,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:57:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:57:05,928 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 41 proven. 12 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2021-08-22 18:57:05,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:57:05,928 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254743145] [2021-08-22 18:57:05,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254743145] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:57:05,928 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237360865] [2021-08-22 18:57:05,929 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 18:57:05,929 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:57:05,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:57:05,930 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 18:57:05,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-08-22 18:57:07,883 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 18:57:07,884 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 18:57:07,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-22 18:57:07,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 18:57:09,008 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 49 proven. 269 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2021-08-22 18:57:09,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237360865] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:57:09,008 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 18:57:09,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 12] total 15 [2021-08-22 18:57:09,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372528297] [2021-08-22 18:57:09,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-22 18:57:09,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:57:09,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-22 18:57:09,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-08-22 18:57:09,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:09,009 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:57:09,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 25.333333333333332) internal successors, (380), 15 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:57:09,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:09,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:09,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:57:09,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:09,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:57:09,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:09,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:57:09,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:57:09,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:57:09,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:57:09,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2021-08-22 18:57:09,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:57:09,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-22 18:57:09,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 18:57:09,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-22 18:57:09,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 18:57:09,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:57:09,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-22 18:57:09,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-22 18:57:09,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 18:57:09,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:09,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:09,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 18:57:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:57:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:57:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:57:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:57:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:57:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2021-08-22 18:57:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:57:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-22 18:57:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 18:57:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 18:57:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 18:57:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:57:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-22 18:57:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 18:57:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 18:57:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-22 18:57:09,158 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-22 18:57:09,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-08-22 18:57:09,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:57:09,365 INFO L308 ceAbstractionStarter]: Result for error location t1Thread1of1ForFork0 was SAFE (1/3) [2021-08-22 18:57:09,367 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 18:57:09,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:57:09,368 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-22 18:57:09,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (19)] Waiting until timeout for monitored process [2021-08-22 18:57:09,374 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-22 18:57:09,375 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-22 18:57:09,375 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-22 18:57:09,431 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 18:57:09,431 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 18:57:09,433 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/3) [2021-08-22 18:57:09,434 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 18:57:09,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:57:09,441 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-22 18:57:09,447 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Thread1of1ForFork1 ======== [2021-08-22 18:57:09,448 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-22 18:57:09,448 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-22 18:57:09,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (20)] Waiting until timeout for monitored process [2021-08-22 18:57:09,508 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:57:09,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:57:09,508 INFO L82 PathProgramCache]: Analyzing trace with hash 2037938483, now seen corresponding path program 1 times [2021-08-22 18:57:09,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:57:09,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605752239] [2021-08-22 18:57:09,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:57:09,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:57:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:57:09,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 18:57:09,540 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:57:09,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605752239] [2021-08-22 18:57:09,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605752239] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 18:57:09,540 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 18:57:09,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 18:57:09,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890012214] [2021-08-22 18:57:09,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 18:57:09,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:57:09,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 18:57:09,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 18:57:09,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:09,541 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:57:09,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:57:09,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:09,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:09,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-22 18:57:09,582 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:57:09,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:57:09,582 INFO L82 PathProgramCache]: Analyzing trace with hash -15338751, now seen corresponding path program 1 times [2021-08-22 18:57:09,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:57:09,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834599088] [2021-08-22 18:57:09,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:57:09,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:57:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:57:09,619 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2021-08-22 18:57:09,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:57:09,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834599088] [2021-08-22 18:57:09,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834599088] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 18:57:09,620 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 18:57:09,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 18:57:09,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246996389] [2021-08-22 18:57:09,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 18:57:09,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:57:09,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 18:57:09,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 18:57:09,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:09,621 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:57:09,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:57:09,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:09,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:09,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:09,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:09,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-08-22 18:57:09,647 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:57:09,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:57:09,647 INFO L82 PathProgramCache]: Analyzing trace with hash 183279187, now seen corresponding path program 1 times [2021-08-22 18:57:09,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:57:09,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102524315] [2021-08-22 18:57:09,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:57:09,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:57:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:57:09,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 18:57:09,681 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:57:09,681 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102524315] [2021-08-22 18:57:09,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102524315] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 18:57:09,681 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 18:57:09,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 18:57:09,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021280578] [2021-08-22 18:57:09,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 18:57:09,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:57:09,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 18:57:09,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 18:57:09,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:09,682 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:57:09,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:57:09,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:09,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:09,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:09,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:09,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:09,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:09,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-08-22 18:57:09,706 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:57:09,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:57:09,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1526034394, now seen corresponding path program 1 times [2021-08-22 18:57:09,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:57:09,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583597377] [2021-08-22 18:57:09,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:57:09,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:57:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:57:09,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 18:57:09,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:57:09,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583597377] [2021-08-22 18:57:09,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583597377] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:57:09,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989210719] [2021-08-22 18:57:09,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:57:09,775 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:57:09,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:57:09,778 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 18:57:09,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-08-22 18:57:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:57:11,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-22 18:57:11,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 18:57:11,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 18:57:11,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989210719] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 18:57:11,914 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-22 18:57:11,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2021-08-22 18:57:11,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197251355] [2021-08-22 18:57:11,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-22 18:57:11,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:57:11,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-22 18:57:11,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-08-22 18:57:11,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:11,915 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:57:11,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:57:11,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:11,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:11,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:11,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:12,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:12,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:12,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:12,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:57:12,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-08-22 18:57:12,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-08-22 18:57:12,225 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:57:12,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:57:12,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1154926047, now seen corresponding path program 1 times [2021-08-22 18:57:12,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:57:12,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045828417] [2021-08-22 18:57:12,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:57:12,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:57:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:57:12,272 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 18:57:12,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:57:12,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045828417] [2021-08-22 18:57:12,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045828417] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:57:12,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094475195] [2021-08-22 18:57:12,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:57:12,273 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:57:12,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:57:12,274 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 18:57:12,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-08-22 18:57:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:57:14,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-22 18:57:14,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 18:57:14,422 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 18:57:14,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2094475195] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:57:14,422 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 18:57:14,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-08-22 18:57:14,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992036128] [2021-08-22 18:57:14,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-22 18:57:14,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:57:14,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-22 18:57:14,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-22 18:57:14,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:14,423 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:57:14,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 7 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:57:14,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:14,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:14,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:14,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:57:14,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:14,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:14,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:14,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:14,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:57:14,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:57:14,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-08-22 18:57:14,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-08-22 18:57:14,701 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:57:14,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:57:14,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1665460224, now seen corresponding path program 1 times [2021-08-22 18:57:14,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:57:14,701 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231645712] [2021-08-22 18:57:14,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:57:14,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:57:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:57:15,894 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 18:57:15,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:57:15,895 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231645712] [2021-08-22 18:57:15,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231645712] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:57:15,895 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673061710] [2021-08-22 18:57:15,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:57:15,895 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:57:15,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:57:15,909 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 18:57:15,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-08-22 18:57:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:57:17,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 50 conjunts are in the unsatisfiable core [2021-08-22 18:57:17,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 18:57:18,623 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 70 treesize of output 66 [2021-08-22 18:57:19,633 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 63 treesize of output 23 [2021-08-22 18:57:19,962 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 18:57:19,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1673061710] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 18:57:19,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-22 18:57:19,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [30] total 49 [2021-08-22 18:57:19,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300663293] [2021-08-22 18:57:19,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-08-22 18:57:19,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:57:19,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-08-22 18:57:19,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=2184, Unknown=0, NotChecked=0, Total=2352 [2021-08-22 18:57:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:19,965 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:57:19,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.454545454545454) internal successors, (120), 22 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:57:19,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:19,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:19,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:19,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:57:19,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:57:19,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:24,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:24,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:24,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:24,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:57:24,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:57:24,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-22 18:57:24,547 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2021-08-22 18:57:24,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-08-22 18:57:24,726 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:57:24,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:57:24,727 INFO L82 PathProgramCache]: Analyzing trace with hash 873110490, now seen corresponding path program 1 times [2021-08-22 18:57:24,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:57:24,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416577122] [2021-08-22 18:57:24,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:57:24,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:57:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:57:24,813 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 21 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 18:57:24,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:57:24,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416577122] [2021-08-22 18:57:24,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416577122] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:57:24,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959777743] [2021-08-22 18:57:24,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:57:24,813 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:57:24,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:57:24,814 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 18:57:24,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-08-22 18:57:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:57:26,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-22 18:57:26,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 18:57:27,310 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 42 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-08-22 18:57:27,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959777743] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:57:27,310 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 18:57:27,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2021-08-22 18:57:27,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906482685] [2021-08-22 18:57:27,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-22 18:57:27,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:57:27,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-22 18:57:27,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-08-22 18:57:27,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:27,312 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:57:27,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 29.0) internal successors, (319), 11 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:57:27,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:27,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:27,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:27,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:57:27,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:57:27,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-22 18:57:27,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:29,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:29,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:29,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:29,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:57:29,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:57:29,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-08-22 18:57:29,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-22 18:57:29,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2021-08-22 18:57:29,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:57:29,792 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:57:29,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:57:29,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1534199143, now seen corresponding path program 1 times [2021-08-22 18:57:29,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:57:29,792 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16273559] [2021-08-22 18:57:29,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:57:29,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:57:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:57:29,901 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 3 proven. 39 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-08-22 18:57:29,902 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:57:29,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16273559] [2021-08-22 18:57:29,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16273559] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:57:29,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097000422] [2021-08-22 18:57:29,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:57:29,902 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:57:29,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:57:29,903 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 18:57:29,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-08-22 18:57:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:57:31,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-22 18:57:31,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 18:57:32,329 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-08-22 18:57:32,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097000422] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:57:32,329 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 18:57:32,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 10 [2021-08-22 18:57:32,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690145145] [2021-08-22 18:57:32,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-22 18:57:32,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:57:32,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-22 18:57:32,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-08-22 18:57:32,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:32,330 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:57:32,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 20.0) internal successors, (200), 10 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:57:32,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:32,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:32,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:32,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:57:32,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:57:32,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-08-22 18:57:32,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-22 18:57:32,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:32,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:32,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:32,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:32,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:57:32,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:57:32,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-08-22 18:57:32,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-22 18:57:32,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-22 18:57:32,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2021-08-22 18:57:32,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-08-22 18:57:32,773 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:57:32,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:57:32,773 INFO L82 PathProgramCache]: Analyzing trace with hash -513811125, now seen corresponding path program 1 times [2021-08-22 18:57:32,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:57:32,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98697313] [2021-08-22 18:57:32,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:57:32,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:57:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:57:32,887 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 101 proven. 182 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-22 18:57:32,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:57:32,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98697313] [2021-08-22 18:57:32,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98697313] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:57:32,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128669177] [2021-08-22 18:57:32,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:57:32,888 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:57:32,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:57:32,889 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 18:57:32,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-08-22 18:57:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:57:34,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-22 18:57:34,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 18:57:35,737 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 101 proven. 182 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-22 18:57:35,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128669177] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:57:35,737 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 18:57:35,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-08-22 18:57:35,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564671074] [2021-08-22 18:57:35,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-22 18:57:35,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:57:35,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-22 18:57:35,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-08-22 18:57:35,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:35,738 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:57:35,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 30.0) internal successors, (330), 11 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:57:35,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:35,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:35,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:35,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:57:35,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:57:35,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-08-22 18:57:35,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-08-22 18:57:35,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-22 18:57:35,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:35,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:35,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:35,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:35,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:57:35,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:57:35,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-08-22 18:57:35,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-22 18:57:35,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-22 18:57:35,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:57:35,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2021-08-22 18:57:36,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:57:36,061 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:57:36,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:57:36,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1058212840, now seen corresponding path program 2 times [2021-08-22 18:57:36,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:57:36,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164937390] [2021-08-22 18:57:36,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:57:36,062 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:57:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:57:36,253 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 139 proven. 376 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-22 18:57:36,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:57:36,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164937390] [2021-08-22 18:57:36,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164937390] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:57:36,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362836693] [2021-08-22 18:57:36,254 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 18:57:36,254 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:57:36,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:57:36,255 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 18:57:36,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-08-22 18:57:38,402 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 18:57:38,402 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 18:57:38,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-22 18:57:38,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 18:57:39,311 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 139 proven. 376 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-22 18:57:39,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [362836693] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:57:39,311 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 18:57:39,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-08-22 18:57:39,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27172129] [2021-08-22 18:57:39,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-22 18:57:39,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:57:39,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-22 18:57:39,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-08-22 18:57:39,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:39,313 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:57:39,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 30.692307692307693) internal successors, (399), 13 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:57:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:57:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:57:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-08-22 18:57:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-22 18:57:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-22 18:57:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:57:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:39,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:39,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:39,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:39,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:57:39,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:57:39,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-08-22 18:57:39,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-22 18:57:39,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-22 18:57:39,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:57:39,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-22 18:57:39,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2021-08-22 18:57:39,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-08-22 18:57:39,657 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:57:39,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:57:39,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1299905899, now seen corresponding path program 3 times [2021-08-22 18:57:39,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:57:39,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185332591] [2021-08-22 18:57:39,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:57:39,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:57:39,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:57:39,887 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 782 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 18:57:39,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:57:39,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185332591] [2021-08-22 18:57:39,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185332591] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:57:39,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439605109] [2021-08-22 18:57:39,888 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 18:57:39,888 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:57:39,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:57:39,889 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 18:57:39,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-08-22 18:57:42,272 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-08-22 18:57:42,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 18:57:42,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-22 18:57:42,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 18:57:43,490 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 818 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 18:57:43,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439605109] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 18:57:43,491 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-22 18:57:43,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [15] total 17 [2021-08-22 18:57:43,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169366393] [2021-08-22 18:57:43,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-22 18:57:43,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:57:43,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-22 18:57:43,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2021-08-22 18:57:43,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:43,493 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:57:43,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 28.0) internal successors, (420), 15 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 18:57:43,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:43,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:43,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:43,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:57:43,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:57:43,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-08-22 18:57:43,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-22 18:57:43,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-22 18:57:43,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:57:43,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-22 18:57:43,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:57:47,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:47,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:47,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:57:47,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 18:57:47,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:57:47,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-22 18:57:47,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-08-22 18:57:47,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-22 18:57:47,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 18:57:47,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-22 18:57:47,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 18:57:47,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2021-08-22 18:57:47,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:57:47,321 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-22 18:57:47,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:57:47,322 INFO L82 PathProgramCache]: Analyzing trace with hash -171057414, now seen corresponding path program 2 times [2021-08-22 18:57:47,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:57:47,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898684614] [2021-08-22 18:57:47,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:57:47,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:57:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-22 18:57:47,361 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-22 18:57:47,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-22 18:57:47,466 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-22 18:57:47,466 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-22 18:57:47,467 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-22 18:57:47,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-08-22 18:57:47,468 INFO L308 ceAbstractionStarter]: Result for error location t2Thread1of1ForFork1 was UNSAFE (3/3) [2021-08-22 18:57:47,471 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 18:57:47,471 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 18:57:47,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 06:57:47 BasicIcfg [2021-08-22 18:57:47,613 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 18:57:47,623 INFO L168 Benchmark]: Toolchain (without parser) took 86396.23 ms. Allocated memory was 218.1 MB in the beginning and 3.3 GB in the end (delta: 3.1 GB). Free memory was 181.6 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.5 GB. Max. memory is 8.0 GB. [2021-08-22 18:57:47,623 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 218.1 MB. Free memory is still 200.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 18:57:47,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 510.17 ms. Allocated memory is still 218.1 MB. Free memory was 181.3 MB in the beginning and 182.3 MB in the end (delta: -1.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-22 18:57:47,624 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.90 ms. Allocated memory is still 218.1 MB. Free memory was 182.3 MB in the beginning and 179.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-22 18:57:47,624 INFO L168 Benchmark]: Boogie Preprocessor took 24.23 ms. Allocated memory is still 218.1 MB. Free memory was 179.7 MB in the beginning and 178.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 18:57:47,624 INFO L168 Benchmark]: RCFGBuilder took 591.76 ms. Allocated memory is still 218.1 MB. Free memory was 178.1 MB in the beginning and 143.0 MB in the end (delta: 35.1 MB). Peak memory consumption was 35.7 MB. Max. memory is 8.0 GB. [2021-08-22 18:57:47,624 INFO L168 Benchmark]: TraceAbstraction took 85214.52 ms. Allocated memory was 218.1 MB in the beginning and 3.3 GB in the end (delta: 3.1 GB). Free memory was 142.5 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.4 GB. Max. memory is 8.0 GB. [2021-08-22 18:57:47,626 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 218.1 MB. Free memory is still 200.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 510.17 ms. Allocated memory is still 218.1 MB. Free memory was 181.3 MB in the beginning and 182.3 MB in the end (delta: -1.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 46.90 ms. Allocated memory is still 218.1 MB. Free memory was 182.3 MB in the beginning and 179.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 24.23 ms. Allocated memory is still 218.1 MB. Free memory was 179.7 MB in the beginning and 178.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 591.76 ms. Allocated memory is still 218.1 MB. Free memory was 178.1 MB in the beginning and 143.0 MB in the end (delta: 35.1 MB). Peak memory consumption was 35.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 85214.52 ms. Allocated memory was 218.1 MB in the beginning and 3.3 GB in the end (delta: 3.1 GB). Free memory was 142.5 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.4 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 460872, positive: 431348, positive conditional: 421618, positive unconditional: 9730, negative: 29524, negative conditional: 29502, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 434691, positive: 431348, positive conditional: 421618, positive unconditional: 9730, negative: 3343, negative conditional: 3321, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 434691, positive: 431348, positive conditional: 421618, positive unconditional: 9730, negative: 3343, negative conditional: 3321, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 462049, positive: 431348, positive conditional: 421451, positive unconditional: 9897, negative: 30701, negative conditional: 27358, negative unconditional: 3343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 462049, positive: 431348, positive conditional: 70332, positive unconditional: 361016, negative: 30701, negative conditional: 2198, negative unconditional: 28503, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 462049, positive: 431348, positive conditional: 70332, positive unconditional: 361016, negative: 30701, negative conditional: 2198, negative unconditional: 28503, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6436, positive: 6412, positive conditional: 6, positive unconditional: 6406, negative: 24, negative conditional: 2, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6436, positive: 6407, positive conditional: 0, positive unconditional: 6407, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 24, negative conditional: 2, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 115, positive: 59, positive conditional: 5, positive unconditional: 54, negative: 56, negative conditional: 3, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 462049, positive: 424936, positive conditional: 70326, positive unconditional: 354610, negative: 30677, negative conditional: 2196, negative unconditional: 28481, unknown: 6436, unknown conditional: 8, unknown unconditional: 6428] , Statistics on independence cache: Total cache size (in pairs): 6436, Positive cache size: 6412, Positive conditional cache size: 6, Positive unconditional cache size: 6406, Negative cache size: 24, Negative conditional cache size: 2, Negative unconditional cache size: 22, Eliminated conditions: 376279, Maximal queried relation: 19, Independence queries for same thread: 26181 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 292, Number of persistent set computation: 1661, Number of trivial persistent sets: 206, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9752, positive: 9730, positive conditional: 0, positive unconditional: 9730, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 460872, positive: 431348, positive conditional: 421618, positive unconditional: 9730, negative: 29524, negative conditional: 29502, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 434691, positive: 431348, positive conditional: 421618, positive unconditional: 9730, negative: 3343, negative conditional: 3321, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 434691, positive: 431348, positive conditional: 421618, positive unconditional: 9730, negative: 3343, negative conditional: 3321, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 462049, positive: 431348, positive conditional: 421451, positive unconditional: 9897, negative: 30701, negative conditional: 27358, negative unconditional: 3343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 462049, positive: 431348, positive conditional: 70332, positive unconditional: 361016, negative: 30701, negative conditional: 2198, negative unconditional: 28503, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 462049, positive: 431348, positive conditional: 70332, positive unconditional: 361016, negative: 30701, negative conditional: 2198, negative unconditional: 28503, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6436, positive: 6412, positive conditional: 6, positive unconditional: 6406, negative: 24, negative conditional: 2, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6436, positive: 6407, positive conditional: 0, positive unconditional: 6407, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 24, negative conditional: 2, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 115, positive: 59, positive conditional: 5, positive unconditional: 54, negative: 56, negative conditional: 3, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 462049, positive: 424936, positive conditional: 70326, positive unconditional: 354610, negative: 30677, negative conditional: 2196, negative unconditional: 28481, unknown: 6436, unknown conditional: 8, unknown unconditional: 6428] , Statistics on independence cache: Total cache size (in pairs): 6436, Positive cache size: 6412, Positive conditional cache size: 6, Positive unconditional cache size: 6406, Negative cache size: 24, Negative conditional cache size: 2, Negative unconditional cache size: 22, Eliminated conditions: 376279, Maximal queried relation: 19, Independence queries for same thread: 26181 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3646, positive: 3625, positive conditional: 105, positive unconditional: 3520, negative: 21, negative conditional: 9, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3639, positive: 3625, positive conditional: 105, positive unconditional: 3520, negative: 14, negative conditional: 2, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3639, positive: 3625, positive conditional: 105, positive unconditional: 3520, negative: 14, negative conditional: 2, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3639, positive: 3625, positive conditional: 0, positive unconditional: 3625, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3639, positive: 3625, positive conditional: 0, positive unconditional: 3625, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3639, positive: 3625, positive conditional: 0, positive unconditional: 3625, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3428, positive: 3416, positive conditional: 0, positive unconditional: 3416, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3428, positive: 3414, positive conditional: 0, positive unconditional: 3414, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3639, positive: 209, positive conditional: 0, positive unconditional: 209, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 3428, unknown conditional: 0, unknown unconditional: 3428] , Statistics on independence cache: Total cache size (in pairs): 3428, Positive cache size: 3416, Positive conditional cache size: 0, Positive unconditional cache size: 3416, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 7 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 48, Number of persistent set computation: 86, Number of trivial persistent sets: 78, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3532, positive: 3520, positive conditional: 0, positive unconditional: 3520, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3646, positive: 3625, positive conditional: 105, positive unconditional: 3520, negative: 21, negative conditional: 9, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3639, positive: 3625, positive conditional: 105, positive unconditional: 3520, negative: 14, negative conditional: 2, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3639, positive: 3625, positive conditional: 105, positive unconditional: 3520, negative: 14, negative conditional: 2, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3639, positive: 3625, positive conditional: 0, positive unconditional: 3625, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3639, positive: 3625, positive conditional: 0, positive unconditional: 3625, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3639, positive: 3625, positive conditional: 0, positive unconditional: 3625, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3428, positive: 3416, positive conditional: 0, positive unconditional: 3416, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3428, positive: 3414, positive conditional: 0, positive unconditional: 3414, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3639, positive: 209, positive conditional: 0, positive unconditional: 209, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 3428, unknown conditional: 0, unknown unconditional: 3428] , Statistics on independence cache: Total cache size (in pairs): 3428, Positive cache size: 3416, Positive conditional cache size: 0, Positive unconditional cache size: 3416, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 7 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32735, positive: 30748, positive conditional: 21984, positive unconditional: 8764, negative: 1987, negative conditional: 1966, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30980, positive: 30748, positive conditional: 21984, positive unconditional: 8764, negative: 232, negative conditional: 211, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 30980, positive: 30748, positive conditional: 21984, positive unconditional: 8764, negative: 232, negative conditional: 211, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32347, positive: 30748, positive conditional: 21757, positive unconditional: 8991, negative: 1599, negative conditional: 1367, negative unconditional: 232, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 32347, positive: 30748, positive conditional: 2461, positive unconditional: 28287, negative: 1599, negative conditional: 211, negative unconditional: 1388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 32347, positive: 30748, positive conditional: 2461, positive unconditional: 28287, negative: 1599, negative conditional: 211, negative unconditional: 1388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6006, positive: 5978, positive conditional: 1, positive unconditional: 5977, negative: 28, negative conditional: 7, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6006, positive: 5972, positive conditional: 0, positive unconditional: 5972, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 6, positive conditional: 1, positive unconditional: 5, negative: 28, negative conditional: 7, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 79, negative conditional: 18, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 32347, positive: 24770, positive conditional: 2460, positive unconditional: 22310, negative: 1571, negative conditional: 204, negative unconditional: 1367, unknown: 6006, unknown conditional: 8, unknown unconditional: 5998] , Statistics on independence cache: Total cache size (in pairs): 6006, Positive cache size: 5978, Positive conditional cache size: 1, Positive unconditional cache size: 5977, Negative cache size: 28, Negative conditional cache size: 7, Negative unconditional cache size: 21, Eliminated conditions: 20452, Maximal queried relation: 11, Independence queries for same thread: 1755 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 110, Number of persistent set computation: 807, Number of trivial persistent sets: 113, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8785, positive: 8764, positive conditional: 0, positive unconditional: 8764, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32735, positive: 30748, positive conditional: 21984, positive unconditional: 8764, negative: 1987, negative conditional: 1966, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30980, positive: 30748, positive conditional: 21984, positive unconditional: 8764, negative: 232, negative conditional: 211, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 30980, positive: 30748, positive conditional: 21984, positive unconditional: 8764, negative: 232, negative conditional: 211, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32347, positive: 30748, positive conditional: 21757, positive unconditional: 8991, negative: 1599, negative conditional: 1367, negative unconditional: 232, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 32347, positive: 30748, positive conditional: 2461, positive unconditional: 28287, negative: 1599, negative conditional: 211, negative unconditional: 1388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 32347, positive: 30748, positive conditional: 2461, positive unconditional: 28287, negative: 1599, negative conditional: 211, negative unconditional: 1388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6006, positive: 5978, positive conditional: 1, positive unconditional: 5977, negative: 28, negative conditional: 7, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6006, positive: 5972, positive conditional: 0, positive unconditional: 5972, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 6, positive conditional: 1, positive unconditional: 5, negative: 28, negative conditional: 7, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 79, negative conditional: 18, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 32347, positive: 24770, positive conditional: 2460, positive unconditional: 22310, negative: 1571, negative conditional: 204, negative unconditional: 1367, unknown: 6006, unknown conditional: 8, unknown unconditional: 5998] , Statistics on independence cache: Total cache size (in pairs): 6006, Positive cache size: 5978, Positive conditional cache size: 1, Positive unconditional cache size: 5977, Negative cache size: 28, Negative conditional cache size: 7, Negative unconditional cache size: 21, Eliminated conditions: 20452, Maximal queried relation: 11, Independence queries for same thread: 1755 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 941]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - CounterExampleResult [Line: 941]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L935] 0 static int top=0; VAL [top=0] [L936] 0 static unsigned int arr[(5)]; VAL [arr={13:0}, top=0] [L937] 0 pthread_mutex_t m; VAL [arr={13:0}, m={14:0}, top=0] [L938] 0 _Bool flag=(0); VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L1021] 0 pthread_t id1, id2; VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L1023] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L1024] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L1006] 2 int i; VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L1007] 2 i=0 VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L1007] COND TRUE 2 i<(5) VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L990] 1 int i; VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L991] 1 unsigned int tmp; VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L1010] COND FALSE 2 !(\read(flag)) VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L992] 1 i=0 VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L1007] 2 i++ VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L1007] COND TRUE 2 i<(5) VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L992] COND TRUE 1 i<(5) VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L1010] COND FALSE 2 !(\read(flag)) VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L1007] 2 i++ VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L1007] COND TRUE 2 i<(5) VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L1010] COND FALSE 2 !(\read(flag)) VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L1007] 2 i++ VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L1007] COND TRUE 2 i<(5) VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L995] 1 tmp = __VERIFIER_nondet_uint() VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L23] COND FALSE 1 !(!cond) VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L962] COND FALSE 1 !(top==(5)) VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L954] 1 return top; VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L969] 1 stack[get_top()] = x VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L946] 1 top++ VAL [arr={13:0}, flag=0, m={14:0}, top=1] [L972] 1 return 0; VAL [arr={13:0}, flag=0, m={14:0}, top=1] [L997] COND FALSE 1 !(push(arr,tmp)==(-1)) VAL [arr={13:0}, flag=0, m={14:0}, top=1] [L999] 1 flag=(1) VAL [arr={13:0}, flag=1, m={14:0}, top=1] [L992] 1 i++ VAL [arr={13:0}, flag=1, m={14:0}, top=1] [L1010] COND TRUE 2 \read(flag) VAL [arr={13:0}, flag=1, m={14:0}, top=1] [L992] 1 i++ VAL [arr={13:0}, flag=1, m={14:0}, top=1] [L954] 2 return top; VAL [arr={13:0}, flag=1, m={14:0}, top=1] [L976] COND FALSE 2 !(get_top()==0) VAL [arr={13:0}, flag=1, m={14:0}, top=1] [L950] 2 top-- VAL [arr={13:0}, flag=1, m={14:0}, top=1] [L992] COND TRUE 1 i<(5) VAL [arr={13:0}, flag=1, m={14:0}, top=1] [L950] 2 top-- VAL [arr={13:0}, flag=1, m={14:0}, top=0] [L954] 2 return top; VAL [arr={13:0}, flag=1, m={14:0}, top=0] [L984] EXPR 2 stack[get_top()] VAL [arr={13:0}, flag=1, m={14:0}, top=0] [L984] 2 return stack[get_top()]; VAL [arr={13:0}, flag=1, m={14:0}, top=0] [L1012] COND FALSE 2 !(!(pop(arr)!=(-2))) VAL [arr={13:0}, flag=1, m={14:0}, top=0] [L1007] 2 i++ VAL [arr={13:0}, flag=1, m={14:0}, top=0] [L1007] COND TRUE 2 i<(5) VAL [arr={13:0}, flag=1, m={14:0}, top=0] [L1010] COND TRUE 2 \read(flag) VAL [arr={13:0}, flag=1, m={14:0}, top=0] [L954] 2 return top; VAL [arr={13:0}, flag=1, m={14:0}, top=0] [L976] COND TRUE 2 get_top()==0 VAL [arr={13:0}, flag=1, m={14:0}, top=0] [L979] 2 return (-2); VAL [arr={13:0}, flag=1, m={14:0}, top=0] [L1012] COND TRUE 2 !(pop(arr)!=(-2)) VAL [arr={13:0}, flag=1, m={14:0}, top=0] [L941] 2 reach_error() VAL [arr={13:0}, flag=1, m={14:0}, top=0] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 248 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 46782.1ms, OverallIterations: 21, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.7ms, PartialOrderReductionTime: 11728.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 297, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 660.8ms SsaConstructionTime, 1925.1ms SatisfiabilityAnalysisTime, 15584.7ms InterpolantComputationTime, 9748 NumberOfCodeBlocks, 9472 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 9711 ConstructedInterpolants, 0 QuantifiedInterpolants, 22620 SizeOfPredicates, 116 NumberOfNonLiveVariables, 8711 ConjunctsInSsa, 153 ConjunctsInUnsatCore, 37 InterpolantComputations, 9 PerfectInterpolantSequences, 9380/14163 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 248 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 65.8ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.6ms, PartialOrderReductionTime: 54.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t2Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 248 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 38034.6ms, OverallIterations: 12, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.4ms, PartialOrderReductionTime: 11246.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 190, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 206.9ms SsaConstructionTime, 698.2ms SatisfiabilityAnalysisTime, 8572.1ms InterpolantComputationTime, 4011 NumberOfCodeBlocks, 3960 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 3831 ConstructedInterpolants, 0 QuantifiedInterpolants, 13898 SizeOfPredicates, 71 NumberOfNonLiveVariables, 3558 ConjunctsInSsa, 108 ConjunctsInUnsatCore, 19 InterpolantComputations, 6 PerfectInterpolantSequences, 2538/3792 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-08-22 18:57:47,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (20)] Forceful destruction successful, exit code 0 [2021-08-22 18:57:47,874 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (19)] Ended with exit code 0 [2021-08-22 18:57:48,073 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-08-22 18:57:48,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...