/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-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stack-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 19:46:49,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 19:46:49,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 19:46:49,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-14 19:46:49,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-14 19:46:49,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-14 19:46:49,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-14 19:46:49,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-14 19:46:49,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-14 19:46:49,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-14 19:46:49,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-14 19:46:49,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2021-07-14 19:46:49,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 19:46:49,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 19:46:49,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 19:46:49,844 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-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf [2021-07-14 19:46:49,860 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 19:46:49,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 19:46:49,860 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 19:46:49,860 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 19:46:49,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 19:46:49,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 19:46:49,861 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 19:46:49,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 19:46:49,862 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 19:46:49,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 19:46:49,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 19:46:49,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 19:46:49,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 19:46:49,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 19:46:49,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 19:46:49,862 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 19:46:49,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 19:46:49,862 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 19:46:49,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 19:46:49,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 19:46:49,863 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 19:46:49,863 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 19:46:49,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 19:46:49,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 19:46:49,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 19:46:49,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 19:46:49,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 19:46:49,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 19:46:49,864 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 19:46:49,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 19:46:49,864 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 19:46:49,864 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 19:46:49,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 19:46:49,864 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 19:46:49,864 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 19:46:49,864 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 19:46:50,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 19:46:50,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 19:46:50,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 19:46:50,075 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 19:46:50,075 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 19:46:50,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack-1.i [2021-07-14 19:46:50,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36a2d1856/9ff073a335e340da92074dc04fdb2f5f/FLAG534c442c6 [2021-07-14 19:46:50,533 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 19:46:50,534 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-1.i [2021-07-14 19:46:50,545 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36a2d1856/9ff073a335e340da92074dc04fdb2f5f/FLAG534c442c6 [2021-07-14 19:46:50,924 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36a2d1856/9ff073a335e340da92074dc04fdb2f5f [2021-07-14 19:46:50,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 19:46:50,927 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 19:46:50,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 19:46:50,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 19:46:50,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 19:46:50,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 07:46:50" (1/1) ... [2021-07-14 19:46:50,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33cd62b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:50, skipping insertion in model container [2021-07-14 19:46:50,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 07:46:50" (1/1) ... [2021-07-14 19:46:50,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 19:46:50,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 19:46:51,322 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-1.i[41520,41533] [2021-07-14 19:46:51,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 19:46:51,388 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 19:46:51,413 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-1.i[41520,41533] [2021-07-14 19:46:51,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 19:46:51,458 INFO L208 MainTranslator]: Completed translation [2021-07-14 19:46:51,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:51 WrapperNode [2021-07-14 19:46:51,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 19:46:51,462 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 19:46:51,462 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 19:46:51,462 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 19:46:51,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:51" (1/1) ... [2021-07-14 19:46:51,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:51" (1/1) ... [2021-07-14 19:46:51,508 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 19:46:51,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 19:46:51,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 19:46:51,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 19:46:51,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:51" (1/1) ... [2021-07-14 19:46:51,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:51" (1/1) ... [2021-07-14 19:46:51,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:51" (1/1) ... [2021-07-14 19:46:51,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:51" (1/1) ... [2021-07-14 19:46:51,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:51" (1/1) ... [2021-07-14 19:46:51,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:51" (1/1) ... [2021-07-14 19:46:51,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:51" (1/1) ... [2021-07-14 19:46:51,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 19:46:51,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 19:46:51,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 19:46:51,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 19:46:51,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 19:46:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-07-14 19:46:51,576 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-07-14 19:46:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-07-14 19:46:51,576 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-07-14 19:46:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 19:46:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 19:46:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-14 19:46:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 19:46:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-14 19:46:51,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 19:46:51,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 19:46:51,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 19:46:51,578 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 19:46:51,900 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 19:46:51,901 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-07-14 19:46:51,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:46:51 BoogieIcfgContainer [2021-07-14 19:46:51,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 19:46:51,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 19:46:51,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 19:46:51,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 19:46:51,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 07:46:50" (1/3) ... [2021-07-14 19:46:51,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65bcd2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 07:46:51, skipping insertion in model container [2021-07-14 19:46:51,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:51" (2/3) ... [2021-07-14 19:46:51,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65bcd2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 07:46:51, skipping insertion in model container [2021-07-14 19:46:51,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:46:51" (3/3) ... [2021-07-14 19:46:51,906 INFO L111 eAbstractionObserver]: Analyzing ICFG stack-1.i [2021-07-14 19:46:51,910 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 19:46:51,910 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 19:46:51,910 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-07-14 19:46:51,910 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 19:46:51,942 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,943 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,943 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,943 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,943 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,943 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,943 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,943 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,943 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,943 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,944 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,944 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,944 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,944 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,944 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,944 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,944 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,944 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,944 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,945 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,946 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,946 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,946 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,946 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,946 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,946 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,946 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,946 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,946 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,946 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,946 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,947 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,947 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,947 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,947 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,947 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,947 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,947 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,947 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,948 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,948 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,949 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,949 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,949 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,949 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,949 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,949 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,949 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,950 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,950 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,950 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,950 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,950 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,950 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,950 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,950 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,950 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,950 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,950 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,951 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,951 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,951 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,951 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,951 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,951 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,951 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,951 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,951 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,951 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,952 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,952 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,952 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,952 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,952 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,952 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,952 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,954 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,957 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,960 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,960 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,960 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,960 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,960 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,960 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,961 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,961 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,961 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,961 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,961 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,961 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,961 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,961 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,961 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,961 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,962 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,962 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,962 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,962 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,962 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,963 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,963 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,963 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,964 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,964 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,964 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,964 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,964 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,964 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,965 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,965 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,965 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,965 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,965 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,966 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,966 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,966 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,966 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,967 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,967 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,967 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,967 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,967 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,967 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,968 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,968 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,968 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,968 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,969 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,969 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,969 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,971 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,971 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,971 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,971 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,972 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,972 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,972 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,972 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,972 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,972 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,972 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,972 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,972 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,972 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,972 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,972 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,973 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,973 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,973 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,973 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,973 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,973 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,973 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,974 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,974 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,974 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,974 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,976 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,976 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,976 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,976 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,976 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,976 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,978 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,978 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,978 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,980 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,981 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,981 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,986 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,986 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,986 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,986 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,987 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,987 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,987 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,987 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,990 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,990 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,990 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,990 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,990 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,991 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,991 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,991 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,991 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,991 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,991 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,992 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,992 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,992 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,996 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,997 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,997 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,997 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,997 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,997 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,997 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,997 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,997 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,997 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,997 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,998 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,998 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,998 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,998 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,998 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,998 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:51,998 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:52,010 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-14 19:46:52,026 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 19:46:52,069 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 19:46:52,069 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 19:46:52,070 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 19:46:52,070 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 19:46:52,070 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 19:46:52,070 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 19:46:52,070 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 19:46:52,070 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == t1Thread1of1ForFork0======== [2021-07-14 19:46:52,341 INFO L430 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:46:52,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:46:52,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1863185121, now seen corresponding path program 1 times [2021-07-14 19:46:52,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:46:52,351 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353584330] [2021-07-14 19:46:52,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:46:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:46:52,532 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-07-14 19:46:52,532 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:46:52,533 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353584330] [2021-07-14 19:46:52,533 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353584330] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:46:52,533 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 19:46:52,533 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 19:46:52,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9522626] [2021-07-14 19:46:52,539 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-14 19:46:52,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:46:52,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-14 19:46:52,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-14 19:46:52,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:52,550 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:46:52,551 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 51.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:46:52,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:52,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:52,561 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 19:46:52,561 INFO L430 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:46:52,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:46:52,562 INFO L82 PathProgramCache]: Analyzing trace with hash -753420505, now seen corresponding path program 1 times [2021-07-14 19:46:52,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:46:52,562 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649349587] [2021-07-14 19:46:52,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:46:52,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:46:52,658 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 19:46:52,659 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:46:52,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649349587] [2021-07-14 19:46:52,659 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649349587] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:46:52,659 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 19:46:52,659 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 19:46:52,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586011314] [2021-07-14 19:46:52,660 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 19:46:52,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:46:52,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 19:46:52,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 19:46:52,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:52,661 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:46:52,661 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:46:52,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:52,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:52,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:52,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:46:52,692 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 19:46:52,692 INFO L430 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:46:52,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:46:52,693 INFO L82 PathProgramCache]: Analyzing trace with hash 145567663, now seen corresponding path program 1 times [2021-07-14 19:46:52,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:46:52,693 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756961655] [2021-07-14 19:46:52,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:46:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:46:52,810 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 19:46:52,810 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:46:52,810 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756961655] [2021-07-14 19:46:52,810 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756961655] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:46:52,810 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 19:46:52,810 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 19:46:52,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227972205] [2021-07-14 19:46:52,811 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 19:46:52,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:46:52,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 19:46:52,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-14 19:46:52,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:52,812 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:46:52,812 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 5 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:46:52,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:52,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:46:52,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:52,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:52,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:46:52,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:46:52,916 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 19:46:52,916 INFO L430 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:46:52,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:46:52,917 INFO L82 PathProgramCache]: Analyzing trace with hash -158484870, now seen corresponding path program 1 times [2021-07-14 19:46:52,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:46:52,917 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040103307] [2021-07-14 19:46:52,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:46:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:46:53,005 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 29 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:46:53,005 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:46:53,005 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040103307] [2021-07-14 19:46:53,005 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040103307] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:46:53,005 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [7492359] [2021-07-14 19:46:53,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:46:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:46:53,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 2 conjunts are in the unsatisfiable core [2021-07-14 19:46:53,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:46:53,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 19:46:53,270 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:46:53,271 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:46:53,272 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-14 19:46:53,272 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2021-07-14 19:46:53,397 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 19:46:53,398 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [7492359] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:46:53,398 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 19:46:53,398 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-07-14 19:46:53,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707572910] [2021-07-14 19:46:53,399 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 19:46:53,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:46:53,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 19:46:53,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-14 19:46:53,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:53,400 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:46:53,402 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:46:53,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:53,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:46:53,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:46:53,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:53,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:53,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:46:53,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:46:53,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:46:53,645 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:46:53,645 INFO L430 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:46:53,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:46:53,646 INFO L82 PathProgramCache]: Analyzing trace with hash -716472578, now seen corresponding path program 2 times [2021-07-14 19:46:53,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:46:53,646 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722471954] [2021-07-14 19:46:53,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:46:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:46:53,725 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 29 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:46:53,726 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:46:53,726 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722471954] [2021-07-14 19:46:53,726 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722471954] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:46:53,726 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717733642] [2021-07-14 19:46:53,726 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:46:53,823 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-07-14 19:46:53,823 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:46:53,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-14 19:46:53,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:46:54,059 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-07-14 19:46:54,059 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717733642] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:46:54,060 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 19:46:54,060 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2021-07-14 19:46:54,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877388988] [2021-07-14 19:46:54,060 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 19:46:54,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:46:54,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 19:46:54,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-14 19:46:54,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:54,061 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:46:54,061 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:46:54,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:54,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:46:54,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:46:54,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:46:54,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:54,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:54,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:46:54,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:46:54,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:46:54,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:46:54,320 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:46:54,321 INFO L430 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:46:54,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:46:54,321 INFO L82 PathProgramCache]: Analyzing trace with hash -2129578138, now seen corresponding path program 1 times [2021-07-14 19:46:54,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:46:54,322 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859331425] [2021-07-14 19:46:54,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:46:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:46:54,386 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-07-14 19:46:54,386 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:46:54,386 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859331425] [2021-07-14 19:46:54,387 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859331425] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:46:54,387 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098031555] [2021-07-14 19:46:54,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:46:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:46:54,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 19:46:54,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:46:54,679 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-07-14 19:46:54,679 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098031555] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:46:54,679 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:46:54,679 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-07-14 19:46:54,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793633351] [2021-07-14 19:46:54,680 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 19:46:54,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:46:54,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 19:46:54,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-14 19:46:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:54,680 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:46:54,681 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 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) [2021-07-14 19:46:54,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:54,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:46:54,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:46:54,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:46:54,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:46:54,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:54,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:54,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:46:54,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:46:54,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:46:54,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:46:54,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:46:54,941 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:46:54,941 INFO L430 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:46:54,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:46:54,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1238726690, now seen corresponding path program 1 times [2021-07-14 19:46:54,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:46:54,942 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645318915] [2021-07-14 19:46:54,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:46:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:46:55,019 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 52 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-07-14 19:46:55,019 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:46:55,020 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645318915] [2021-07-14 19:46:55,020 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645318915] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:46:55,021 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652445174] [2021-07-14 19:46:55,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:46:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:46:55,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 19:46:55,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:46:55,331 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 52 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-07-14 19:46:55,331 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652445174] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:46:55,331 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:46:55,332 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-07-14 19:46:55,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003171828] [2021-07-14 19:46:55,332 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 19:46:55,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:46:55,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 19:46:55,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-07-14 19:46:55,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:55,333 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:46:55,333 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 22.444444444444443) internal successors, (202), 9 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:46:55,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:55,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:46:55,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:46:55,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:46:55,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:46:55,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:46:55,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:55,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:55,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:46:55,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:46:55,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:46:55,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:46:55,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:46:55,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 19:46:55,615 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-07-14 19:46:55,615 INFO L430 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:46:55,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:46:55,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1526210474, now seen corresponding path program 2 times [2021-07-14 19:46:55,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:46:55,616 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126256062] [2021-07-14 19:46:55,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:46:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:46:55,692 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 52 proven. 27 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-07-14 19:46:55,692 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:46:55,692 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126256062] [2021-07-14 19:46:55,692 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126256062] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:46:55,692 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268886008] [2021-07-14 19:46:55,692 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:46:55,815 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 19:46:55,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:46:55,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-14 19:46:55,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:46:55,999 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 52 proven. 27 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-07-14 19:46:55,999 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268886008] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:46:55,999 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:46:55,999 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-07-14 19:46:55,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510898899] [2021-07-14 19:46:56,000 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 19:46:56,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:46:56,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 19:46:56,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-07-14 19:46:56,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:56,001 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:46:56,002 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 19.09090909090909) internal successors, (210), 11 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:46:56,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:56,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:46:56,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:46:56,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:46:56,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:46:56,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:46:56,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 19:46:56,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:56,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:56,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:46:56,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:46:56,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:46:56,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:46:56,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:46:56,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 19:46:56,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 19:46:56,296 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:46:56,296 INFO L430 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:46:56,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:46:56,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1830895822, now seen corresponding path program 3 times [2021-07-14 19:46:56,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:46:56,297 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889249172] [2021-07-14 19:46:56,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:46:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:46:56,385 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 52 proven. 52 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-07-14 19:46:56,385 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:46:56,385 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889249172] [2021-07-14 19:46:56,385 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889249172] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:46:56,385 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467569927] [2021-07-14 19:46:56,385 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:46:56,488 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 19:46:56,488 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:46:56,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-14 19:46:56,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:46:56,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-07-14 19:46:56,505 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:46:56,506 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:46:56,506 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 19:46:56,506 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-07-14 19:46:56,539 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-07-14 19:46:56,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-07-14 19:46:56,542 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:46:56,545 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:46:56,548 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 19:46:56,548 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2021-07-14 19:46:56,674 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-07-14 19:46:56,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2021-07-14 19:46:56,676 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:46:56,682 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:46:56,684 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 19:46:56,685 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:28 [2021-07-14 19:46:56,722 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-07-14 19:46:56,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25 [2021-07-14 19:46:56,724 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:46:56,732 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:46:56,734 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 19:46:56,734 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:13 [2021-07-14 19:46:56,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-14 19:46:56,779 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:46:56,783 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:46:56,784 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-14 19:46:56,784 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:22 [2021-07-14 19:46:56,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-07-14 19:46:56,907 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:46:56,912 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:46:56,914 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-14 19:46:56,914 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:37, output treesize:14 [2021-07-14 19:46:56,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-07-14 19:46:56,958 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:46:56,963 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:46:56,965 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-07-14 19:46:56,965 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:25, output treesize:21 [2021-07-14 19:46:57,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2021-07-14 19:46:57,739 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:46:57,742 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:46:57,743 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-14 19:46:57,743 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:32, output treesize:5 [2021-07-14 19:46:57,791 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 48 proven. 19 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-07-14 19:46:57,791 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467569927] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:46:57,791 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:46:57,792 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 16] total 25 [2021-07-14 19:46:57,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036788158] [2021-07-14 19:46:57,792 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 19:46:57,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:46:57,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 19:46:57,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2021-07-14 19:46:57,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:57,793 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:46:57,793 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 12.24) internal successors, (306), 25 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:46:57,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:46:57,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:46:57,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:46:57,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:46:57,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:46:57,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:46:57,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 19:46:57,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 19:46:57,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:00,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:00,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:00,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:00,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:00,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:47:00,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:00,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 19:47:00,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 19:47:00,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:47:00,432 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:47:00,433 INFO L430 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:47:00,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:47:00,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1503441657, now seen corresponding path program 4 times [2021-07-14 19:47:00,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:47:00,433 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305119553] [2021-07-14 19:47:00,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:47:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:47:00,530 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 26 proven. 140 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-07-14 19:47:00,530 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:47:00,531 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305119553] [2021-07-14 19:47:00,531 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305119553] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:47:00,531 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45641417] [2021-07-14 19:47:00,531 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:47:00,624 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 19:47:00,624 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:47:00,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 19:47:00,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:47:00,870 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 134 proven. 64 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-07-14 19:47:00,870 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45641417] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:47:00,870 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:47:00,870 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 10 [2021-07-14 19:47:00,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021718482] [2021-07-14 19:47:00,871 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 19:47:00,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:47:00,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 19:47:00,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-07-14 19:47:00,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:00,871 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:47:00,872 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 30.4) internal successors, (304), 10 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:47:00,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:00,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:00,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:00,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:00,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:47:00,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:00,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 19:47:00,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 19:47:00,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:47:00,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:00,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:00,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:00,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:00,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:00,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:47:00,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:00,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 19:47:00,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 19:47:00,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:47:00,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:47:01,210 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-07-14 19:47:01,211 INFO L430 AbstractCegarLoop]: === Iteration 11 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:47:01,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:47:01,211 INFO L82 PathProgramCache]: Analyzing trace with hash -660073527, now seen corresponding path program 5 times [2021-07-14 19:47:01,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:47:01,211 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779410263] [2021-07-14 19:47:01,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:47:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:47:01,349 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 297 proven. 150 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-07-14 19:47:01,349 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:47:01,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779410263] [2021-07-14 19:47:01,349 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779410263] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:47:01,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038935551] [2021-07-14 19:47:01,350 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:47:01,585 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-07-14 19:47:01,586 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:47:01,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 19:47:01,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:47:01,989 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 208 proven. 264 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-07-14 19:47:01,990 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038935551] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:47:01,990 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:47:01,990 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-07-14 19:47:01,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881158362] [2021-07-14 19:47:01,991 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 19:47:01,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:47:01,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 19:47:01,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=389, Unknown=0, NotChecked=0, Total=462 [2021-07-14 19:47:01,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:01,991 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:47:01,992 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 23.636363636363637) internal successors, (520), 22 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:47:01,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:01,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:01,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:01,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:01,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:47:01,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:01,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 19:47:01,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 19:47:01,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:47:01,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:47:01,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:06,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:06,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:06,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:06,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:06,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:47:06,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:06,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 19:47:06,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 19:47:06,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 19:47:06,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:47:06,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 19:47:06,233 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:47:06,233 INFO L430 AbstractCegarLoop]: === Iteration 12 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:47:06,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:47:06,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1561122751, now seen corresponding path program 1 times [2021-07-14 19:47:06,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:47:06,234 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799201182] [2021-07-14 19:47:06,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:47:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:47:06,304 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-07-14 19:47:06,304 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:47:06,304 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799201182] [2021-07-14 19:47:06,304 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799201182] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:47:06,304 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 19:47:06,304 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 19:47:06,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355811077] [2021-07-14 19:47:06,305 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 19:47:06,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:47:06,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 19:47:06,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-14 19:47:06,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:06,305 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:47:06,306 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 36.333333333333336) internal successors, (218), 6 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:47:06,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:06,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:06,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:06,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:06,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:47:06,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:06,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 19:47:06,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 19:47:06,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 19:47:06,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:47:06,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-14 19:47:06,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:07,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:07,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:07,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:07,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:07,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:47:07,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:07,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 19:47:07,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 19:47:07,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 19:47:07,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:47:07,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 19:47:07,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:47:07,160 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-07-14 19:47:07,160 INFO L430 AbstractCegarLoop]: === Iteration 13 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:47:07,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:47:07,160 INFO L82 PathProgramCache]: Analyzing trace with hash -2074202609, now seen corresponding path program 2 times [2021-07-14 19:47:07,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:47:07,160 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341719075] [2021-07-14 19:47:07,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:47:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:47:07,244 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 240 proven. 162 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-07-14 19:47:07,244 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:47:07,244 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341719075] [2021-07-14 19:47:07,244 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341719075] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:47:07,244 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724639569] [2021-07-14 19:47:07,244 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:47:07,419 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 19:47:07,419 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:47:07,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 19:47:07,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:47:07,800 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-07-14 19:47:07,800 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724639569] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:47:07,801 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 19:47:07,801 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [9] total 20 [2021-07-14 19:47:07,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038399345] [2021-07-14 19:47:07,801 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 19:47:07,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:47:07,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 19:47:07,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2021-07-14 19:47:07,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:07,802 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:47:07,802 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 20.692307692307693) internal successors, (269), 13 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:47:07,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:07,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:07,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:07,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:07,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:47:07,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:07,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 19:47:07,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 19:47:07,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 19:47:07,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:47:07,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 19:47:07,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:47:07,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:08,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:08,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:08,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:08,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:08,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:47:08,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:08,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 19:47:08,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 19:47:08,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 19:47:08,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:47:08,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 19:47:08,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:47:08,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:47:08,704 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:47:08,705 INFO L430 AbstractCegarLoop]: === Iteration 14 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:47:08,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:47:08,705 INFO L82 PathProgramCache]: Analyzing trace with hash -685269847, now seen corresponding path program 3 times [2021-07-14 19:47:08,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:47:08,706 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320940101] [2021-07-14 19:47:08,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:47:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:47:08,808 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 25 proven. 276 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-07-14 19:47:08,809 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:47:08,809 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320940101] [2021-07-14 19:47:08,809 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320940101] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:47:08,809 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891481695] [2021-07-14 19:47:08,809 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:47:09,042 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-14 19:47:09,042 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:47:09,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 19:47:09,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:47:09,369 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 194 proven. 118 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-07-14 19:47:09,369 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1891481695] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:47:09,369 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:47:09,369 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 11 [2021-07-14 19:47:09,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412466691] [2021-07-14 19:47:09,370 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 19:47:09,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:47:09,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 19:47:09,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-07-14 19:47:09,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:09,370 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:47:09,371 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 29.727272727272727) internal successors, (327), 11 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:47:09,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:09,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:09,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:09,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:09,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:47:09,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:09,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 19:47:09,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 19:47:09,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 19:47:09,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:47:09,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 19:47:09,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:47:09,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:47:09,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:10,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:10,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:10,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:10,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:10,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:47:10,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:10,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 19:47:10,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 19:47:10,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 19:47:10,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:47:10,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 19:47:10,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:47:10,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:47:10,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:47:10,267 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-14 19:47:10,272 INFO L430 AbstractCegarLoop]: === Iteration 15 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:47:10,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:47:10,273 INFO L82 PathProgramCache]: Analyzing trace with hash -714844345, now seen corresponding path program 4 times [2021-07-14 19:47:10,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:47:10,273 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286337039] [2021-07-14 19:47:10,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:47:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:47:10,397 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 25 proven. 293 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-07-14 19:47:10,397 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:47:10,397 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286337039] [2021-07-14 19:47:10,397 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286337039] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:47:10,397 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706981502] [2021-07-14 19:47:10,397 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:47:10,497 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 19:47:10,498 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:47:10,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 19:47:10,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:47:10,782 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 192 proven. 150 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-07-14 19:47:10,782 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706981502] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:47:10,782 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:47:10,783 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 13 [2021-07-14 19:47:10,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515286792] [2021-07-14 19:47:10,783 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 19:47:10,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:47:10,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 19:47:10,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-07-14 19:47:10,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:10,784 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:47:10,784 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 26.384615384615383) internal successors, (343), 13 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:47:10,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:10,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:10,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:10,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:10,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:47:10,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:10,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 19:47:10,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 19:47:10,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 19:47:10,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:47:10,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 19:47:10,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:47:10,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:47:10,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:47:10,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:34,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:34,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:34,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:34,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:34,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:47:34,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:34,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 19:47:34,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 19:47:34,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 19:47:34,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:47:34,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-07-14 19:47:34,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:47:34,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:47:34,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:47:34,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 19:47:34,240 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-14 19:47:34,240 INFO L430 AbstractCegarLoop]: === Iteration 16 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:47:34,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:47:34,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1698073649, now seen corresponding path program 1 times [2021-07-14 19:47:34,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:47:34,241 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129538849] [2021-07-14 19:47:34,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:47:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:47:34,585 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 306 proven. 197 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-07-14 19:47:34,585 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:47:34,585 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129538849] [2021-07-14 19:47:34,585 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129538849] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:47:34,585 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851890786] [2021-07-14 19:47:34,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:47:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:47:34,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 19:47:34,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:47:35,011 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 306 proven. 197 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-07-14 19:47:35,011 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851890786] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:47:35,011 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:47:35,011 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 14 [2021-07-14 19:47:35,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847329800] [2021-07-14 19:47:35,012 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 19:47:35,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:47:35,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 19:47:35,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-07-14 19:47:35,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:35,013 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:47:35,013 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 24.285714285714285) internal successors, (340), 14 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:47:35,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:35,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:35,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:35,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:35,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:47:35,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:35,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 19:47:35,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 19:47:35,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-14 19:47:35,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:47:35,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-07-14 19:47:35,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:47:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:47:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:47:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 19:47:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:43,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:47:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 19:47:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 19:47:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 19:47:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:47:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 19:47:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:47:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:47:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:47:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 19:47:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:47:43,844 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-14 19:47:43,845 INFO L430 AbstractCegarLoop]: === Iteration 17 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:47:43,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:47:43,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1640805565, now seen corresponding path program 2 times [2021-07-14 19:47:43,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:47:43,845 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039700358] [2021-07-14 19:47:43,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:47:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:47:44,183 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 364 proven. 203 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 19:47:44,183 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:47:44,183 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039700358] [2021-07-14 19:47:44,183 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039700358] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:47:44,183 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716996287] [2021-07-14 19:47:44,183 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:47:44,309 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 19:47:44,309 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:47:44,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 19:47:44,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:47:44,642 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 364 proven. 203 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 19:47:44,642 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716996287] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:47:44,642 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:47:44,642 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 17 [2021-07-14 19:47:44,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907483876] [2021-07-14 19:47:44,643 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 19:47:44,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:47:44,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 19:47:44,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2021-07-14 19:47:44,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:44,643 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:47:44,643 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 23.705882352941178) internal successors, (403), 17 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) [2021-07-14 19:47:44,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:47:44,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:44,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:44,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:47:44,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:47:44,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:47:44,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 19:47:44,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 19:47:44,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-14 19:47:44,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:47:44,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 19:47:44,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:47:44,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:47:44,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:47:44,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 19:47:44,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:47:44,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:17,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:48:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:48:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:48:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:48:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:48:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 19:48:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 19:48:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-07-14 19:48:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:48:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-07-14 19:48:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:48:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:48:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:48:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 19:48:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:48:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:48:17,333 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:48:17,342 INFO L301 ceAbstractionStarter]: Result for error location t1Thread1of1ForFork0 was SAFE (1/3) [2021-07-14 19:48:17,343 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-07-14 19:48:17,350 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 19:48:17,350 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 19:48:17,350 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 19:48:17,350 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 19:48:17,350 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 19:48:17,350 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 19:48:17,350 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 19:48:17,350 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 19:48:17,624 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/3) [2021-07-14 19:48:17,625 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 19:48:17,631 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 19:48:17,631 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 19:48:17,631 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 19:48:17,631 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 19:48:17,631 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 19:48:17,631 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 19:48:17,631 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 19:48:17,631 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == t2Thread1of1ForFork1======== [2021-07-14 19:48:17,666 INFO L430 AbstractCegarLoop]: === Iteration 1 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:48:17,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:48:17,666 INFO L82 PathProgramCache]: Analyzing trace with hash 615501049, now seen corresponding path program 1 times [2021-07-14 19:48:17,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:48:17,667 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669284879] [2021-07-14 19:48:17,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:48:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:48:17,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:48:17,676 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:48:17,676 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669284879] [2021-07-14 19:48:17,677 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669284879] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:48:17,677 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 19:48:17,677 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 19:48:17,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860984363] [2021-07-14 19:48:17,677 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-14 19:48:17,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:48:17,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-14 19:48:17,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-14 19:48:17,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:17,677 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:48:17,678 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:48:17,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:17,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:17,702 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-07-14 19:48:17,702 INFO L430 AbstractCegarLoop]: === Iteration 2 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:48:17,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:48:17,702 INFO L82 PathProgramCache]: Analyzing trace with hash -738432450, now seen corresponding path program 1 times [2021-07-14 19:48:17,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:48:17,702 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632355333] [2021-07-14 19:48:17,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:48:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:48:17,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:48:17,719 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:48:17,719 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632355333] [2021-07-14 19:48:17,719 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632355333] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:48:17,719 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 19:48:17,719 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 19:48:17,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086883097] [2021-07-14 19:48:17,720 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 19:48:17,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:48:17,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 19:48:17,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 19:48:17,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:17,720 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:48:17,720 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:48:17,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:17,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:17,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:17,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:48:17,749 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-07-14 19:48:17,749 INFO L430 AbstractCegarLoop]: === Iteration 3 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:48:17,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:48:17,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1048068958, now seen corresponding path program 1 times [2021-07-14 19:48:17,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:48:17,750 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506930936] [2021-07-14 19:48:17,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:48:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:48:17,785 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:48:17,785 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:48:17,785 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506930936] [2021-07-14 19:48:17,785 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506930936] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:48:17,785 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 19:48:17,785 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 19:48:17,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841242121] [2021-07-14 19:48:17,785 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 19:48:17,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:48:17,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 19:48:17,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-14 19:48:17,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:17,786 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:48:17,786 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:48:17,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:17,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:48:17,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:17,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:17,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:48:17,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:48:17,848 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-07-14 19:48:17,848 INFO L430 AbstractCegarLoop]: === Iteration 4 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:48:17,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:48:17,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1660018210, now seen corresponding path program 1 times [2021-07-14 19:48:17,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:48:17,849 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548647042] [2021-07-14 19:48:17,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:48:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:48:17,880 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-07-14 19:48:17,880 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:48:17,880 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548647042] [2021-07-14 19:48:17,880 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548647042] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:48:17,880 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 19:48:17,880 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 19:48:17,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237515560] [2021-07-14 19:48:17,881 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 19:48:17,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:48:17,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 19:48:17,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 19:48:17,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:17,881 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:48:17,881 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:48:17,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:17,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:48:17,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:48:17,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:17,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:17,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:48:17,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:48:17,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:48:17,928 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-07-14 19:48:17,928 INFO L430 AbstractCegarLoop]: === Iteration 5 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:48:17,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:48:17,929 INFO L82 PathProgramCache]: Analyzing trace with hash -380147015, now seen corresponding path program 1 times [2021-07-14 19:48:17,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:48:17,929 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512788976] [2021-07-14 19:48:17,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:48:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:48:18,601 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 29 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 19:48:18,601 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:48:18,601 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512788976] [2021-07-14 19:48:18,601 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512788976] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:48:18,601 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594276358] [2021-07-14 19:48:18,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:48:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:48:24,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-14 19:48:24,441 INFO L286 TraceCheckSpWp]: Computing forward predicates...