/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stack_longer-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 14:32:47,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 14:32:47,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 14:32:47,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-01 14:32:47,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-01 14:32:47,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-01 14:32:47,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-01 14:32:47,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-01 14:32:47,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-01 14:32:47,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-01 14:32:47,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-01 14:32:47,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-01 14:32:47,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-01 14:32:47,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-01 14:32:47,872 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-01 14:32:47,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-01 14:32:47,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-01 14:32:47,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-01 14:32:47,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-01 14:32:47,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-01 14:32:47,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-01 14:32:47,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-01 14:32:47,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-01 14:32:47,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-01 14:32:47,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-01 14:32:47,884 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-01 14:32:47,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-01 14:32:47,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-01 14:32:47,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-01 14:32:47,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-01 14:32:47,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-01 14:32:47,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-01 14:32:47,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-01 14:32:47,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-01 14:32:47,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-01 14:32:47,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-01 14:32:47,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-01 14:32:47,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-01 14:32:47,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 14:32:47,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 14:32:47,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 14:32:47,894 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-01 14:32:47,913 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 14:32:47,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 14:32:47,913 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 14:32:47,913 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 14:32:47,914 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 14:32:47,914 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 14:32:47,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 14:32:47,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 14:32:47,914 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 14:32:47,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 14:32:47,915 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 14:32:47,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 14:32:47,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 14:32:47,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 14:32:47,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 14:32:47,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 14:32:47,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 14:32:47,919 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 14:32:47,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 14:32:47,919 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 14:32:47,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 14:32:47,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 14:32:47,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 14:32:47,920 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 14:32:47,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 14:32:47,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 14:32:47,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 14:32:47,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 14:32:47,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 14:32:47,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 14:32:47,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 14:32:47,921 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 14:32:47,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 14:32:47,921 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-01 14:32:48,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 14:32:48,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 14:32:48,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 14:32:48,131 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 14:32:48,131 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 14:32:48,132 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longer-2.i [2022-03-01 14:32:48,180 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/673aa5a17/080d772f6ae34ec1804de7bd810dda57/FLAG460142896 [2022-03-01 14:32:48,545 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 14:32:48,545 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-2.i [2022-03-01 14:32:48,559 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/673aa5a17/080d772f6ae34ec1804de7bd810dda57/FLAG460142896 [2022-03-01 14:32:48,920 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/673aa5a17/080d772f6ae34ec1804de7bd810dda57 [2022-03-01 14:32:48,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 14:32:48,922 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 14:32:48,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 14:32:48,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 14:32:48,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 14:32:48,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 02:32:48" (1/1) ... [2022-03-01 14:32:48,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@482dd1c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:32:48, skipping insertion in model container [2022-03-01 14:32:48,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 02:32:48" (1/1) ... [2022-03-01 14:32:48,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 14:32:48,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 14:32:49,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-2.i[41529,41542] [2022-03-01 14:32:49,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 14:32:49,239 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 14:32:49,263 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-2.i[41529,41542] [2022-03-01 14:32:49,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 14:32:49,306 INFO L208 MainTranslator]: Completed translation [2022-03-01 14:32:49,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:32:49 WrapperNode [2022-03-01 14:32:49,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 14:32:49,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 14:32:49,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 14:32:49,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 14:32:49,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:32:49" (1/1) ... [2022-03-01 14:32:49,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:32:49" (1/1) ... [2022-03-01 14:32:49,346 INFO L137 Inliner]: procedures = 277, calls = 40, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 150 [2022-03-01 14:32:49,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 14:32:49,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 14:32:49,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 14:32:49,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 14:32:49,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:32:49" (1/1) ... [2022-03-01 14:32:49,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:32:49" (1/1) ... [2022-03-01 14:32:49,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:32:49" (1/1) ... [2022-03-01 14:32:49,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:32:49" (1/1) ... [2022-03-01 14:32:49,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:32:49" (1/1) ... [2022-03-01 14:32:49,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:32:49" (1/1) ... [2022-03-01 14:32:49,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:32:49" (1/1) ... [2022-03-01 14:32:49,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 14:32:49,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 14:32:49,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 14:32:49,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 14:32:49,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:32:49" (1/1) ... [2022-03-01 14:32:49,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 14:32:49,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 14:32:49,407 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-01 14:32:49,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-01 14:32:49,439 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-03-01 14:32:49,440 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-03-01 14:32:49,440 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-03-01 14:32:49,440 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-03-01 14:32:49,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 14:32:49,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 14:32:49,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-01 14:32:49,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 14:32:49,441 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-01 14:32:49,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 14:32:49,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-01 14:32:49,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 14:32:49,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 14:32:49,444 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 14:32:49,596 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 14:32:49,597 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 14:32:49,808 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 14:32:49,816 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 14:32:49,816 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-03-01 14:32:49,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 02:32:49 BoogieIcfgContainer [2022-03-01 14:32:49,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 14:32:49,819 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 14:32:49,819 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 14:32:49,823 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 14:32:49,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 02:32:48" (1/3) ... [2022-03-01 14:32:49,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18725b27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 02:32:49, skipping insertion in model container [2022-03-01 14:32:49,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:32:49" (2/3) ... [2022-03-01 14:32:49,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18725b27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 02:32:49, skipping insertion in model container [2022-03-01 14:32:49,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 02:32:49" (3/3) ... [2022-03-01 14:32:49,825 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longer-2.i [2022-03-01 14:32:49,829 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 14:32:49,829 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 14:32:49,829 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-03-01 14:32:49,829 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 14:32:49,873 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,873 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,873 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,873 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,873 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,874 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,874 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,874 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,874 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,874 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,874 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,874 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,874 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,875 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,876 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,876 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,876 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,877 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,877 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,877 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,877 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,877 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,877 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,877 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,878 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,878 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,878 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,878 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,878 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,878 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,878 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,879 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,879 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,879 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,879 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,879 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,880 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,880 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,880 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,880 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,880 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,880 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,880 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,880 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,881 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,881 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,881 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,881 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,881 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,881 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,881 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,882 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,882 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,882 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,882 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,882 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,882 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,883 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,883 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,883 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,883 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,883 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,883 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,883 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,883 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,883 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,883 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,883 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,884 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,884 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,884 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,884 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,884 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,884 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,884 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,884 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,884 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,885 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,885 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,885 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,885 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,885 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,885 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,885 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,885 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,886 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,886 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,886 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,886 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,886 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,886 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,886 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,887 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,887 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,887 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,887 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,887 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,888 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,888 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,888 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,888 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,888 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,889 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,889 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,889 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,889 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,889 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,889 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,889 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,889 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,890 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,890 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,890 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,890 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,890 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,890 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,890 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,890 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,891 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,891 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,891 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,891 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,891 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,891 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,891 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,891 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,892 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,892 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,892 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,892 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,892 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,892 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,892 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,893 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,893 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,893 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,893 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,893 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,894 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,894 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,894 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,894 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,894 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,894 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,894 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,894 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,894 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,895 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,895 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,898 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,899 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,900 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,900 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,900 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,900 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,900 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,900 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,901 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,901 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,901 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,902 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,902 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,903 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,903 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,904 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,904 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,904 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,904 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,904 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,904 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,904 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,904 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,905 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,905 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,905 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,905 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,905 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,905 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,905 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,906 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,906 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,906 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,906 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,906 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,906 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,906 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,906 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,906 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,906 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,906 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,907 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,907 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,907 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,907 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,907 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,907 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,908 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,908 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,908 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,908 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,908 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,908 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,908 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,908 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,908 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,909 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,909 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,909 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,909 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,909 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,910 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,910 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,910 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,910 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,910 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,910 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,911 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,911 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,911 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,911 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,911 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,911 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,911 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,911 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,912 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,912 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,912 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,912 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,912 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,912 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,913 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,913 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,913 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,913 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,913 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,913 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,913 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,913 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,914 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,914 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,914 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,914 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,914 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,914 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,915 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,915 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,917 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,917 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,918 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,918 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,918 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,918 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,918 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,918 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,918 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,919 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,919 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,919 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,919 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,919 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,919 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,919 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,919 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,919 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,920 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,920 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,920 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,920 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,920 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,922 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,922 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,922 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,922 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,922 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,922 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,922 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,922 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,923 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,923 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,923 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,923 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,923 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,923 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,923 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,923 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,923 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,923 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:32:49,926 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-01 14:32:49,965 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 14:32:49,969 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-01 14:32:49,969 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-03-01 14:32:49,977 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 169 places, 172 transitions, 360 flow [2022-03-01 14:32:50,283 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 11851 states, 11848 states have (on average 2.860313977042539) internal successors, (33889), 11850 states have internal predecessors, (33889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:32:50,363 INFO L276 IsEmpty]: Start isEmpty. Operand has 11851 states, 11848 states have (on average 2.860313977042539) internal successors, (33889), 11850 states have internal predecessors, (33889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:32:50,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-03-01 14:32:50,390 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:32:50,391 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:32:50,392 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-01 14:32:50,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:32:50,396 INFO L85 PathProgramCache]: Analyzing trace with hash -2105074172, now seen corresponding path program 1 times [2022-03-01 14:32:50,401 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:32:50,402 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219410444] [2022-03-01 14:32:50,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:32:50,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:32:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:32:50,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:32:50,674 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:32:50,675 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219410444] [2022-03-01 14:32:50,675 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219410444] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:32:50,675 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:32:50,675 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-01 14:32:50,676 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588556828] [2022-03-01 14:32:50,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:32:50,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 14:32:50,680 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:32:50,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 14:32:50,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 14:32:50,735 INFO L87 Difference]: Start difference. First operand has 11851 states, 11848 states have (on average 2.860313977042539) internal successors, (33889), 11850 states have internal predecessors, (33889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:32:50,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:32:50,934 INFO L93 Difference]: Finished difference Result 15683 states and 43133 transitions. [2022-03-01 14:32:50,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 14:32:50,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-03-01 14:32:50,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:32:51,034 INFO L225 Difference]: With dead ends: 15683 [2022-03-01 14:32:51,035 INFO L226 Difference]: Without dead ends: 15407 [2022-03-01 14:32:51,036 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 14:32:51,040 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 80 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 14:32:51,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 272 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 14:32:51,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15407 states. [2022-03-01 14:32:51,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15407 to 14883. [2022-03-01 14:32:51,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14883 states, 14879 states have (on average 2.76732307278715) internal successors, (41175), 14882 states have internal predecessors, (41175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:32:51,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14883 states to 14883 states and 41175 transitions. [2022-03-01 14:32:51,644 INFO L78 Accepts]: Start accepts. Automaton has 14883 states and 41175 transitions. Word has length 61 [2022-03-01 14:32:51,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:32:51,645 INFO L470 AbstractCegarLoop]: Abstraction has 14883 states and 41175 transitions. [2022-03-01 14:32:51,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:32:51,646 INFO L276 IsEmpty]: Start isEmpty. Operand 14883 states and 41175 transitions. [2022-03-01 14:32:51,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-03-01 14:32:51,653 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:32:51,653 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:32:51,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 14:32:51,654 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-01 14:32:51,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:32:51,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1103212847, now seen corresponding path program 1 times [2022-03-01 14:32:51,656 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:32:51,657 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489826634] [2022-03-01 14:32:51,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:32:51,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:32:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:32:51,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:32:51,761 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:32:51,761 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489826634] [2022-03-01 14:32:51,761 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489826634] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:32:51,761 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:32:51,761 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-01 14:32:51,761 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67087142] [2022-03-01 14:32:51,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:32:51,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-01 14:32:51,762 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:32:51,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-01 14:32:51,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-01 14:32:51,763 INFO L87 Difference]: Start difference. First operand 14883 states and 41175 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:32:51,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:32:51,993 INFO L93 Difference]: Finished difference Result 22343 states and 61710 transitions. [2022-03-01 14:32:51,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-01 14:32:51,994 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-03-01 14:32:51,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:32:52,082 INFO L225 Difference]: With dead ends: 22343 [2022-03-01 14:32:52,082 INFO L226 Difference]: Without dead ends: 22343 [2022-03-01 14:32:52,083 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-01 14:32:52,084 INFO L933 BasicCegarLoop]: 273 mSDtfsCounter, 146 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 14:32:52,085 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 630 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 14:32:52,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22343 states. [2022-03-01 14:32:52,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22343 to 16011. [2022-03-01 14:32:52,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16011 states, 16007 states have (on average 2.7669769475854316) internal successors, (44291), 16010 states have internal predecessors, (44291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:32:52,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16011 states to 16011 states and 44291 transitions. [2022-03-01 14:32:52,606 INFO L78 Accepts]: Start accepts. Automaton has 16011 states and 44291 transitions. Word has length 77 [2022-03-01 14:32:52,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:32:52,608 INFO L470 AbstractCegarLoop]: Abstraction has 16011 states and 44291 transitions. [2022-03-01 14:32:52,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:32:52,609 INFO L276 IsEmpty]: Start isEmpty. Operand 16011 states and 44291 transitions. [2022-03-01 14:32:52,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-03-01 14:32:52,620 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:32:52,620 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:32:52,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 14:32:52,621 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-01 14:32:52,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:32:52,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1377096070, now seen corresponding path program 1 times [2022-03-01 14:32:52,621 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:32:52,622 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745208022] [2022-03-01 14:32:52,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:32:52,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:32:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:32:52,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:32:52,732 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:32:52,732 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745208022] [2022-03-01 14:32:52,732 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745208022] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:32:52,732 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:32:52,733 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-01 14:32:52,733 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465993197] [2022-03-01 14:32:52,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:32:52,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 14:32:52,733 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:32:52,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 14:32:52,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 14:32:52,734 INFO L87 Difference]: Start difference. First operand 16011 states and 44291 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:32:52,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:32:52,774 INFO L93 Difference]: Finished difference Result 6069 states and 15807 transitions. [2022-03-01 14:32:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 14:32:52,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-03-01 14:32:52,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:32:52,790 INFO L225 Difference]: With dead ends: 6069 [2022-03-01 14:32:52,790 INFO L226 Difference]: Without dead ends: 6031 [2022-03-01 14:32:52,790 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 14:32:52,791 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 94 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 14:32:52,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 233 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 14:32:52,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6031 states. [2022-03-01 14:32:52,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6031 to 5495. [2022-03-01 14:32:52,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5495 states, 5491 states have (on average 2.606264796940448) internal successors, (14311), 5494 states have internal predecessors, (14311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:32:52,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5495 states to 5495 states and 14311 transitions. [2022-03-01 14:32:52,977 INFO L78 Accepts]: Start accepts. Automaton has 5495 states and 14311 transitions. Word has length 95 [2022-03-01 14:32:52,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:32:52,977 INFO L470 AbstractCegarLoop]: Abstraction has 5495 states and 14311 transitions. [2022-03-01 14:32:52,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:32:52,977 INFO L276 IsEmpty]: Start isEmpty. Operand 5495 states and 14311 transitions. [2022-03-01 14:32:52,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-03-01 14:32:52,988 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:32:52,988 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:32:52,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-01 14:32:52,989 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-01 14:32:52,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:32:52,989 INFO L85 PathProgramCache]: Analyzing trace with hash 403929076, now seen corresponding path program 1 times [2022-03-01 14:32:52,990 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:32:52,990 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005053810] [2022-03-01 14:32:52,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:32:52,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:32:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:32:53,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:32:53,103 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:32:53,103 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005053810] [2022-03-01 14:32:53,103 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005053810] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:32:53,103 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:32:53,103 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-01 14:32:53,104 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633469659] [2022-03-01 14:32:53,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:32:53,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 14:32:53,104 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:32:53,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 14:32:53,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 14:32:53,105 INFO L87 Difference]: Start difference. First operand 5495 states and 14311 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:32:53,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:32:53,152 INFO L93 Difference]: Finished difference Result 7091 states and 18415 transitions. [2022-03-01 14:32:53,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 14:32:53,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-03-01 14:32:53,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:32:53,167 INFO L225 Difference]: With dead ends: 7091 [2022-03-01 14:32:53,167 INFO L226 Difference]: Without dead ends: 7091 [2022-03-01 14:32:53,168 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 14:32:53,168 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 75 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 14:32:53,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 322 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 14:32:53,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7091 states. [2022-03-01 14:32:53,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7091 to 5607. [2022-03-01 14:32:53,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5607 states, 5603 states have (on average 2.596823130465822) internal successors, (14550), 5606 states have internal predecessors, (14550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:32:53,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5607 states to 5607 states and 14550 transitions. [2022-03-01 14:32:53,271 INFO L78 Accepts]: Start accepts. Automaton has 5607 states and 14550 transitions. Word has length 104 [2022-03-01 14:32:53,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:32:53,271 INFO L470 AbstractCegarLoop]: Abstraction has 5607 states and 14550 transitions. [2022-03-01 14:32:53,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:32:53,275 INFO L276 IsEmpty]: Start isEmpty. Operand 5607 states and 14550 transitions. [2022-03-01 14:32:53,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-03-01 14:32:53,286 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:32:53,287 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:32:53,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-01 14:32:53,287 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-01 14:32:53,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:32:53,291 INFO L85 PathProgramCache]: Analyzing trace with hash 585023441, now seen corresponding path program 1 times [2022-03-01 14:32:53,291 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:32:53,291 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361019545] [2022-03-01 14:32:53,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:32:53,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:32:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:32:53,391 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:32:53,391 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:32:53,392 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361019545] [2022-03-01 14:32:53,392 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361019545] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 14:32:53,392 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134121776] [2022-03-01 14:32:53,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:32:53,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 14:32:53,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 14:32:53,394 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 14:32:53,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-01 14:32:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:32:53,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-01 14:32:53,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 14:32:53,782 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:32:53,783 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 14:32:53,970 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:32:53,970 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134121776] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 14:32:53,971 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 14:32:53,971 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-01 14:32:53,971 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087247531] [2022-03-01 14:32:53,971 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 14:32:53,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 14:32:53,972 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:32:53,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 14:32:53,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-01 14:32:53,972 INFO L87 Difference]: Start difference. First operand 5607 states and 14550 transitions. Second operand has 10 states, 10 states have (on average 25.0) internal successors, (250), 10 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:32:54,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:32:54,108 INFO L93 Difference]: Finished difference Result 12791 states and 33241 transitions. [2022-03-01 14:32:54,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 14:32:54,108 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 25.0) internal successors, (250), 10 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-03-01 14:32:54,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:32:54,134 INFO L225 Difference]: With dead ends: 12791 [2022-03-01 14:32:54,134 INFO L226 Difference]: Without dead ends: 12671 [2022-03-01 14:32:54,135 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2022-03-01 14:32:54,136 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 548 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 864 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 14:32:54,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [548 Valid, 864 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 14:32:54,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12671 states. [2022-03-01 14:32:54,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12671 to 9771. [2022-03-01 14:32:54,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9771 states, 9767 states have (on average 2.6077608272755195) internal successors, (25470), 9770 states have internal predecessors, (25470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:32:54,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9771 states to 9771 states and 25470 transitions. [2022-03-01 14:32:54,401 INFO L78 Accepts]: Start accepts. Automaton has 9771 states and 25470 transitions. Word has length 106 [2022-03-01 14:32:54,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:32:54,402 INFO L470 AbstractCegarLoop]: Abstraction has 9771 states and 25470 transitions. [2022-03-01 14:32:54,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 25.0) internal successors, (250), 10 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:32:54,402 INFO L276 IsEmpty]: Start isEmpty. Operand 9771 states and 25470 transitions. [2022-03-01 14:32:54,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-03-01 14:32:54,412 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:32:54,412 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:32:54,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-01 14:32:54,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 14:32:54,624 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-01 14:32:54,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:32:54,624 INFO L85 PathProgramCache]: Analyzing trace with hash 288471527, now seen corresponding path program 1 times [2022-03-01 14:32:54,624 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:32:54,625 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350184613] [2022-03-01 14:32:54,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:32:54,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:32:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:32:55,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:32:55,317 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:32:55,317 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350184613] [2022-03-01 14:32:55,317 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350184613] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:32:55,317 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:32:55,317 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-03-01 14:32:55,317 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707667498] [2022-03-01 14:32:55,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:32:55,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 14:32:55,318 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:32:55,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 14:32:55,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2022-03-01 14:32:55,319 INFO L87 Difference]: Start difference. First operand 9771 states and 25470 transitions. Second operand has 25 states, 25 states have (on average 4.72) internal successors, (118), 25 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:32:56,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:32:56,786 INFO L93 Difference]: Finished difference Result 22904 states and 60303 transitions. [2022-03-01 14:32:56,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-01 14:32:56,787 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 4.72) internal successors, (118), 25 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-03-01 14:32:56,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:32:56,839 INFO L225 Difference]: With dead ends: 22904 [2022-03-01 14:32:56,839 INFO L226 Difference]: Without dead ends: 22904 [2022-03-01 14:32:56,840 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 491 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=315, Invalid=1941, Unknown=0, NotChecked=0, Total=2256 [2022-03-01 14:32:56,840 INFO L933 BasicCegarLoop]: 464 mSDtfsCounter, 1101 mSDsluCounter, 6422 mSDsCounter, 0 mSdLazyCounter, 1615 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1101 SdHoareTripleChecker+Valid, 6689 SdHoareTripleChecker+Invalid, 1624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 14:32:56,841 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1101 Valid, 6689 Invalid, 1624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1615 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 14:32:56,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22904 states. [2022-03-01 14:32:57,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22904 to 12025. [2022-03-01 14:32:57,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12025 states, 12021 states have (on average 2.6199983362449046) internal successors, (31495), 12024 states have internal predecessors, (31495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:32:57,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12025 states to 12025 states and 31495 transitions. [2022-03-01 14:32:57,223 INFO L78 Accepts]: Start accepts. Automaton has 12025 states and 31495 transitions. Word has length 118 [2022-03-01 14:32:57,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:32:57,224 INFO L470 AbstractCegarLoop]: Abstraction has 12025 states and 31495 transitions. [2022-03-01 14:32:57,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.72) internal successors, (118), 25 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:32:57,224 INFO L276 IsEmpty]: Start isEmpty. Operand 12025 states and 31495 transitions. [2022-03-01 14:32:57,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-03-01 14:32:57,237 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:32:57,237 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:32:57,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-01 14:32:57,237 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-01 14:32:57,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:32:57,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1458912929, now seen corresponding path program 2 times [2022-03-01 14:32:57,238 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:32:57,238 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476020007] [2022-03-01 14:32:57,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:32:57,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:32:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:32:57,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:32:57,986 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:32:57,986 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476020007] [2022-03-01 14:32:57,986 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476020007] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:32:57,986 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:32:57,986 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-01 14:32:57,986 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547744628] [2022-03-01 14:32:57,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:32:57,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-01 14:32:57,987 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:32:57,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-01 14:32:57,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=713, Unknown=0, NotChecked=0, Total=812 [2022-03-01 14:32:57,987 INFO L87 Difference]: Start difference. First operand 12025 states and 31495 transitions. Second operand has 29 states, 29 states have (on average 4.068965517241379) internal successors, (118), 29 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:32:59,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:32:59,960 INFO L93 Difference]: Finished difference Result 24196 states and 63717 transitions. [2022-03-01 14:32:59,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-01 14:32:59,961 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 4.068965517241379) internal successors, (118), 29 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-03-01 14:32:59,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:33:00,004 INFO L225 Difference]: With dead ends: 24196 [2022-03-01 14:33:00,004 INFO L226 Difference]: Without dead ends: 24196 [2022-03-01 14:33:00,005 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 731 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=437, Invalid=2643, Unknown=0, NotChecked=0, Total=3080 [2022-03-01 14:33:00,006 INFO L933 BasicCegarLoop]: 451 mSDtfsCounter, 1136 mSDsluCounter, 7770 mSDsCounter, 0 mSdLazyCounter, 2167 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1136 SdHoareTripleChecker+Valid, 7959 SdHoareTripleChecker+Invalid, 2190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 2167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 14:33:00,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1136 Valid, 7959 Invalid, 2190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 2167 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 14:33:00,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24196 states. [2022-03-01 14:33:00,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24196 to 11960. [2022-03-01 14:33:00,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11960 states, 11956 states have (on average 2.619605219136835) internal successors, (31320), 11959 states have internal predecessors, (31320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:33:00,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11960 states to 11960 states and 31320 transitions. [2022-03-01 14:33:00,263 INFO L78 Accepts]: Start accepts. Automaton has 11960 states and 31320 transitions. Word has length 118 [2022-03-01 14:33:00,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:33:00,263 INFO L470 AbstractCegarLoop]: Abstraction has 11960 states and 31320 transitions. [2022-03-01 14:33:00,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.068965517241379) internal successors, (118), 29 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:33:00,263 INFO L276 IsEmpty]: Start isEmpty. Operand 11960 states and 31320 transitions. [2022-03-01 14:33:00,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-03-01 14:33:00,279 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:33:00,279 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:33:00,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-01 14:33:00,280 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-01 14:33:00,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:33:00,280 INFO L85 PathProgramCache]: Analyzing trace with hash -2142597225, now seen corresponding path program 3 times [2022-03-01 14:33:00,280 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:33:00,280 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802662098] [2022-03-01 14:33:00,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:33:00,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:33:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:33:01,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:33:01,117 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:33:01,117 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802662098] [2022-03-01 14:33:01,117 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802662098] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:33:01,118 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:33:01,118 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-01 14:33:01,118 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208336978] [2022-03-01 14:33:01,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:33:01,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-01 14:33:01,118 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:33:01,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-01 14:33:01,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=702, Unknown=0, NotChecked=0, Total=812 [2022-03-01 14:33:01,119 INFO L87 Difference]: Start difference. First operand 11960 states and 31320 transitions. Second operand has 29 states, 29 states have (on average 4.068965517241379) internal successors, (118), 29 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:33:03,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:33:03,173 INFO L93 Difference]: Finished difference Result 23610 states and 62124 transitions. [2022-03-01 14:33:03,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-01 14:33:03,173 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 4.068965517241379) internal successors, (118), 29 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-03-01 14:33:03,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:33:03,218 INFO L225 Difference]: With dead ends: 23610 [2022-03-01 14:33:03,218 INFO L226 Difference]: Without dead ends: 23610 [2022-03-01 14:33:03,219 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 684 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=503, Invalid=2577, Unknown=0, NotChecked=0, Total=3080 [2022-03-01 14:33:03,219 INFO L933 BasicCegarLoop]: 402 mSDtfsCounter, 1234 mSDsluCounter, 6402 mSDsCounter, 0 mSdLazyCounter, 1897 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1234 SdHoareTripleChecker+Valid, 6585 SdHoareTripleChecker+Invalid, 1949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 14:33:03,220 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1234 Valid, 6585 Invalid, 1949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1897 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 14:33:03,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23610 states. [2022-03-01 14:33:03,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23610 to 11793. [2022-03-01 14:33:03,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11793 states, 11789 states have (on average 2.616167613877343) internal successors, (30842), 11792 states have internal predecessors, (30842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:33:03,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11793 states to 11793 states and 30842 transitions. [2022-03-01 14:33:03,502 INFO L78 Accepts]: Start accepts. Automaton has 11793 states and 30842 transitions. Word has length 118 [2022-03-01 14:33:03,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:33:03,502 INFO L470 AbstractCegarLoop]: Abstraction has 11793 states and 30842 transitions. [2022-03-01 14:33:03,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.068965517241379) internal successors, (118), 29 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:33:03,503 INFO L276 IsEmpty]: Start isEmpty. Operand 11793 states and 30842 transitions. [2022-03-01 14:33:03,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-03-01 14:33:03,520 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:33:03,520 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:33:03,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-01 14:33:03,520 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-01 14:33:03,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:33:03,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1539203023, now seen corresponding path program 1 times [2022-03-01 14:33:03,521 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:33:03,521 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030777966] [2022-03-01 14:33:03,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:33:03,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:33:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:33:03,597 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:33:03,597 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:33:03,598 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030777966] [2022-03-01 14:33:03,598 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030777966] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 14:33:03,598 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67033018] [2022-03-01 14:33:03,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:33:03,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 14:33:03,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 14:33:03,599 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 14:33:03,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-01 14:33:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:33:03,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 6 conjunts are in the unsatisfiable core [2022-03-01 14:33:03,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 14:33:03,926 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-03-01 14:33:03,927 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 14:33:04,170 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-03-01 14:33:04,170 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67033018] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 14:33:04,170 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 14:33:04,170 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2022-03-01 14:33:04,171 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872454082] [2022-03-01 14:33:04,171 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 14:33:04,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 14:33:04,171 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:33:04,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 14:33:04,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-03-01 14:33:04,172 INFO L87 Difference]: Start difference. First operand 11793 states and 30842 transitions. Second operand has 12 states, 12 states have (on average 25.833333333333332) internal successors, (310), 12 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:33:04,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:33:04,386 INFO L93 Difference]: Finished difference Result 17142 states and 44795 transitions. [2022-03-01 14:33:04,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-01 14:33:04,386 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 25.833333333333332) internal successors, (310), 12 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2022-03-01 14:33:04,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:33:04,416 INFO L225 Difference]: With dead ends: 17142 [2022-03-01 14:33:04,416 INFO L226 Difference]: Without dead ends: 16449 [2022-03-01 14:33:04,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 288 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2022-03-01 14:33:04,417 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 499 mSDsluCounter, 1459 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 1603 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 14:33:04,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [499 Valid, 1603 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 14:33:04,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16449 states. [2022-03-01 14:33:04,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16449 to 13270. [2022-03-01 14:33:04,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13270 states, 13266 states have (on average 2.6295793758480324) internal successors, (34884), 13269 states have internal predecessors, (34884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:33:04,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13270 states to 13270 states and 34884 transitions. [2022-03-01 14:33:04,676 INFO L78 Accepts]: Start accepts. Automaton has 13270 states and 34884 transitions. Word has length 147 [2022-03-01 14:33:04,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:33:04,676 INFO L470 AbstractCegarLoop]: Abstraction has 13270 states and 34884 transitions. [2022-03-01 14:33:04,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 25.833333333333332) internal successors, (310), 12 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:33:04,676 INFO L276 IsEmpty]: Start isEmpty. Operand 13270 states and 34884 transitions. [2022-03-01 14:33:04,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-03-01 14:33:04,694 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:33:04,694 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:33:04,710 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-01 14:33:04,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-03-01 14:33:04,903 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-01 14:33:04,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:33:04,904 INFO L85 PathProgramCache]: Analyzing trace with hash 380607420, now seen corresponding path program 1 times [2022-03-01 14:33:04,904 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:33:04,904 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016425586] [2022-03-01 14:33:04,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:33:04,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:33:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:33:05,524 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:33:05,525 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:33:05,525 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016425586] [2022-03-01 14:33:05,525 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016425586] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 14:33:05,525 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760251859] [2022-03-01 14:33:05,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:33:05,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 14:33:05,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 14:33:05,526 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 14:33:05,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-01 14:33:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:33:05,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 63 conjunts are in the unsatisfiable core [2022-03-01 14:33:05,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 14:33:06,971 INFO L387 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 19 treesize of output 15 [2022-03-01 14:33:07,948 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 23 [2022-03-01 14:33:08,134 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:33:08,134 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 14:33:08,673 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 46 [2022-03-01 14:33:09,242 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-03-01 14:33:09,242 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760251859] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-01 14:33:09,242 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-01 14:33:09,242 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [26, 26] total 68 [2022-03-01 14:33:09,243 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834157315] [2022-03-01 14:33:09,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:33:09,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-01 14:33:09,243 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:33:09,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-01 14:33:09,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=4315, Unknown=0, NotChecked=0, Total=4556 [2022-03-01 14:33:09,245 INFO L87 Difference]: Start difference. First operand 13270 states and 34884 transitions. Second operand has 22 states, 22 states have (on average 7.0) internal successors, (154), 22 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:33:13,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:33:13,812 INFO L93 Difference]: Finished difference Result 31136 states and 82136 transitions. [2022-03-01 14:33:13,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-01 14:33:13,813 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 7.0) internal successors, (154), 22 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 160 [2022-03-01 14:33:13,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:33:13,869 INFO L225 Difference]: With dead ends: 31136 [2022-03-01 14:33:13,869 INFO L226 Difference]: Without dead ends: 30476 [2022-03-01 14:33:13,873 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 338 SyntacticMatches, 1 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4743 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=1539, Invalid=15231, Unknown=0, NotChecked=0, Total=16770 [2022-03-01 14:33:13,874 INFO L933 BasicCegarLoop]: 644 mSDtfsCounter, 2054 mSDsluCounter, 8514 mSDsCounter, 0 mSdLazyCounter, 2312 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2054 SdHoareTripleChecker+Valid, 8923 SdHoareTripleChecker+Invalid, 2359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 2312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 14:33:13,874 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2054 Valid, 8923 Invalid, 2359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 2312 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 14:33:13,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30476 states. [2022-03-01 14:33:14,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30476 to 13921. [2022-03-01 14:33:14,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13921 states, 13917 states have (on average 2.6372781490263706) internal successors, (36703), 13920 states have internal predecessors, (36703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:33:14,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13921 states to 13921 states and 36703 transitions. [2022-03-01 14:33:14,229 INFO L78 Accepts]: Start accepts. Automaton has 13921 states and 36703 transitions. Word has length 160 [2022-03-01 14:33:14,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:33:14,229 INFO L470 AbstractCegarLoop]: Abstraction has 13921 states and 36703 transitions. [2022-03-01 14:33:14,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.0) internal successors, (154), 22 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:33:14,229 INFO L276 IsEmpty]: Start isEmpty. Operand 13921 states and 36703 transitions. [2022-03-01 14:33:14,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-03-01 14:33:14,244 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:33:14,244 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:33:14,260 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-01 14:33:14,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 14:33:14,459 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-01 14:33:14,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:33:14,461 INFO L85 PathProgramCache]: Analyzing trace with hash 951393590, now seen corresponding path program 2 times [2022-03-01 14:33:14,461 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:33:14,461 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065087865] [2022-03-01 14:33:14,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:33:14,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:33:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:33:15,245 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:33:15,245 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:33:15,245 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065087865] [2022-03-01 14:33:15,245 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065087865] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 14:33:15,245 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444514424] [2022-03-01 14:33:15,246 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 14:33:15,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 14:33:15,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 14:33:15,247 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 14:33:15,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-01 14:33:15,357 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-01 14:33:15,358 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 14:33:15,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 63 conjunts are in the unsatisfiable core [2022-03-01 14:33:15,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 14:33:15,484 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-03-01 14:33:15,484 INFO L387 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 [2022-03-01 14:33:15,494 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-03-01 14:33:15,495 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-03-01 14:33:16,310 INFO L387 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 19 treesize of output 15 [2022-03-01 14:33:16,388 INFO L387 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 58 treesize of output 54 [2022-03-01 14:33:17,265 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 23 [2022-03-01 14:33:17,449 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 19 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-03-01 14:33:17,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 14:33:18,048 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_305 (Array Int Int))) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_305) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4))) 4294967296)))) is different from false [2022-03-01 14:33:18,075 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 14:33:18,075 INFO L387 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 30 [2022-03-01 14:33:18,081 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 14:33:18,086 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-03-01 14:33:18,098 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2022-03-01 14:33:19,086 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-03-01 14:33:19,086 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-03-01 14:33:19,110 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 15 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 1 not checked. [2022-03-01 14:33:19,110 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444514424] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 14:33:19,110 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 14:33:19,110 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 26, 26] total 79 [2022-03-01 14:33:19,110 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239192601] [2022-03-01 14:33:19,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 14:33:19,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2022-03-01 14:33:19,112 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:33:19,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2022-03-01 14:33:19,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=269, Invalid=5740, Unknown=1, NotChecked=152, Total=6162 [2022-03-01 14:33:19,114 INFO L87 Difference]: Start difference. First operand 13921 states and 36703 transitions. Second operand has 79 states, 79 states have (on average 5.569620253164557) internal successors, (440), 79 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:33:53,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:33:53,138 INFO L93 Difference]: Finished difference Result 49699 states and 131228 transitions. [2022-03-01 14:33:53,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-03-01 14:33:53,139 INFO L78 Accepts]: Start accepts. Automaton has has 79 states, 79 states have (on average 5.569620253164557) internal successors, (440), 79 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 160 [2022-03-01 14:33:53,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:33:53,237 INFO L225 Difference]: With dead ends: 49699 [2022-03-01 14:33:53,238 INFO L226 Difference]: Without dead ends: 49699 [2022-03-01 14:33:53,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 272 SyntacticMatches, 10 SemanticMatches, 234 ConstructedPredicates, 1 IntricatePredicates, 9 DeprecatedPredicates, 16591 ImplicationChecksByTransitivity, 32.0s TimeCoverageRelationStatistics Valid=7460, Invalid=47498, Unknown=36, NotChecked=466, Total=55460 [2022-03-01 14:33:53,244 INFO L933 BasicCegarLoop]: 638 mSDtfsCounter, 12647 mSDsluCounter, 22466 mSDsCounter, 0 mSdLazyCounter, 6122 mSolverCounterSat, 513 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12647 SdHoareTripleChecker+Valid, 22378 SdHoareTripleChecker+Invalid, 7630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 513 IncrementalHoareTripleChecker+Valid, 6122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 995 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-03-01 14:33:53,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12647 Valid, 22378 Invalid, 7630 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [513 Valid, 6122 Invalid, 0 Unknown, 995 Unchecked, 3.6s Time] [2022-03-01 14:33:53,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49699 states. [2022-03-01 14:33:53,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49699 to 12466. [2022-03-01 14:33:53,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12466 states, 12462 states have (on average 2.6189215214251322) internal successors, (32637), 12465 states have internal predecessors, (32637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:33:53,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12466 states to 12466 states and 32637 transitions. [2022-03-01 14:33:53,625 INFO L78 Accepts]: Start accepts. Automaton has 12466 states and 32637 transitions. Word has length 160 [2022-03-01 14:33:53,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:33:53,625 INFO L470 AbstractCegarLoop]: Abstraction has 12466 states and 32637 transitions. [2022-03-01 14:33:53,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 5.569620253164557) internal successors, (440), 79 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:33:53,625 INFO L276 IsEmpty]: Start isEmpty. Operand 12466 states and 32637 transitions. [2022-03-01 14:33:53,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-03-01 14:33:53,639 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:33:53,639 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:33:53,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-01 14:33:53,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 14:33:53,855 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-01 14:33:53,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:33:53,856 INFO L85 PathProgramCache]: Analyzing trace with hash -453573317, now seen corresponding path program 2 times [2022-03-01 14:33:53,856 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:33:53,856 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781230083] [2022-03-01 14:33:53,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:33:53,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:33:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:33:53,926 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 12 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:33:53,926 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:33:53,926 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781230083] [2022-03-01 14:33:53,926 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781230083] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 14:33:53,926 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606476979] [2022-03-01 14:33:53,926 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 14:33:53,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 14:33:53,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 14:33:53,927 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 14:33:53,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-01 14:33:54,032 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-01 14:33:54,032 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 14:33:54,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-01 14:33:54,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 14:33:54,319 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 12 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:33:54,320 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 14:33:54,629 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 12 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:33:54,630 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606476979] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 14:33:54,630 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 14:33:54,630 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-03-01 14:33:54,630 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969613573] [2022-03-01 14:33:54,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 14:33:54,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-01 14:33:54,630 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:33:54,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-01 14:33:54,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-03-01 14:33:54,631 INFO L87 Difference]: Start difference. First operand 12466 states and 32637 transitions. Second operand has 18 states, 18 states have (on average 23.22222222222222) internal successors, (418), 18 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:33:54,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:33:54,892 INFO L93 Difference]: Finished difference Result 26628 states and 69246 transitions. [2022-03-01 14:33:54,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-01 14:33:54,892 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 23.22222222222222) internal successors, (418), 18 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 190 [2022-03-01 14:33:54,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:33:54,937 INFO L225 Difference]: With dead ends: 26628 [2022-03-01 14:33:54,937 INFO L226 Difference]: Without dead ends: 26628 [2022-03-01 14:33:54,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=335, Invalid=657, Unknown=0, NotChecked=0, Total=992 [2022-03-01 14:33:54,938 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 1614 mSDsluCounter, 1147 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1614 SdHoareTripleChecker+Valid, 1280 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 14:33:54,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1614 Valid, 1280 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 14:33:54,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26628 states. [2022-03-01 14:33:55,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26628 to 20866. [2022-03-01 14:33:55,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20866 states, 20862 states have (on average 2.6143706260185984) internal successors, (54541), 20865 states have internal predecessors, (54541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:33:55,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20866 states to 20866 states and 54541 transitions. [2022-03-01 14:33:55,261 INFO L78 Accepts]: Start accepts. Automaton has 20866 states and 54541 transitions. Word has length 190 [2022-03-01 14:33:55,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:33:55,261 INFO L470 AbstractCegarLoop]: Abstraction has 20866 states and 54541 transitions. [2022-03-01 14:33:55,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 23.22222222222222) internal successors, (418), 18 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:33:55,261 INFO L276 IsEmpty]: Start isEmpty. Operand 20866 states and 54541 transitions. [2022-03-01 14:33:55,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-03-01 14:33:55,279 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:33:55,280 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:33:55,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-01 14:33:55,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-03-01 14:33:55,488 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-01 14:33:55,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:33:55,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1824498131, now seen corresponding path program 1 times [2022-03-01 14:33:55,488 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:33:55,488 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270231132] [2022-03-01 14:33:55,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:33:55,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:33:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:33:56,556 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 3 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:33:56,557 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:33:56,557 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270231132] [2022-03-01 14:33:56,557 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270231132] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 14:33:56,557 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526689215] [2022-03-01 14:33:56,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:33:56,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 14:33:56,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 14:33:56,558 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 14:33:56,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-01 14:33:56,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:33:56,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 86 conjunts are in the unsatisfiable core [2022-03-01 14:33:56,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 14:33:57,566 INFO L387 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 19 treesize of output 15 [2022-03-01 14:33:58,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 14:33:58,517 INFO L387 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 51 treesize of output 38 [2022-03-01 14:34:00,032 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 23 [2022-03-01 14:34:00,209 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 5 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:34:00,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 14:35:00,223 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 14:35:00,225 INFO L387 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 36 [2022-03-01 14:35:00,231 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 14:35:00,231 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 40 [2022-03-01 14:35:00,244 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 42 [2022-03-01 14:35:00,267 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 14:35:00,267 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 67 [2022-03-01 14:35:01,455 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:35:01,456 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526689215] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 14:35:01,456 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 14:35:01,456 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34, 33] total 96 [2022-03-01 14:35:01,456 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831722850] [2022-03-01 14:35:01,456 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 14:35:01,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-03-01 14:35:01,457 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:35:01,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-03-01 14:35:01,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=777, Invalid=8305, Unknown=38, NotChecked=0, Total=9120 [2022-03-01 14:35:01,459 INFO L87 Difference]: Start difference. First operand 20866 states and 54541 transitions. Second operand has 96 states, 96 states have (on average 5.8125) internal successors, (558), 96 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:35:29,065 WARN L228 SmtUtils]: Spent 19.45s on a formula simplification. DAG size of input: 122 DAG size of output: 83 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-01 14:35:50,706 WARN L228 SmtUtils]: Spent 7.10s on a formula simplification. DAG size of input: 96 DAG size of output: 95 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-01 14:36:12,184 WARN L228 SmtUtils]: Spent 12.48s on a formula simplification. DAG size of input: 109 DAG size of output: 76 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-01 14:36:30,403 WARN L228 SmtUtils]: Spent 7.85s on a formula simplification. DAG size of input: 89 DAG size of output: 88 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-01 14:37:23,450 WARN L228 SmtUtils]: Spent 44.40s on a formula simplification. DAG size of input: 135 DAG size of output: 96 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-01 14:37:36,621 WARN L228 SmtUtils]: Spent 6.83s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-01 14:40:53,987 WARN L228 SmtUtils]: Spent 8.09s on a formula simplification. DAG size of input: 61 DAG size of output: 55 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-01 14:43:32,217 WARN L228 SmtUtils]: Spent 23.32s on a formula simplification. DAG size of input: 129 DAG size of output: 85 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-01 14:43:59,958 WARN L228 SmtUtils]: Spent 17.08s on a formula simplification. DAG size of input: 116 DAG size of output: 78 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-01 14:44:42,353 WARN L228 SmtUtils]: Spent 6.04s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-01 14:45:11,771 WARN L228 SmtUtils]: Spent 8.12s on a formula simplification. DAG size of input: 129 DAG size of output: 71 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-01 14:45:29,519 WARN L228 SmtUtils]: Spent 10.18s on a formula simplification. DAG size of input: 73 DAG size of output: 67 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-01 14:46:03,161 WARN L228 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-01 14:46:16,940 WARN L228 SmtUtils]: Spent 11.05s on a formula simplification. DAG size of input: 135 DAG size of output: 78 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2022-03-01 14:47:11,826 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-01 14:47:11,826 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-01 14:47:12,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-01 14:47:13,027 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-03-01 14:47:13,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-03-01 14:47:13,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 [2022-03-01 14:47:13,062 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 574 GetRequests, 335 SyntacticMatches, 13 SemanticMatches, 225 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18722 ImplicationChecksByTransitivity, 733.2s TimeCoverageRelationStatistics Valid=6091, Invalid=44873, Unknown=338, NotChecked=0, Total=51302 [2022-03-01 14:47:13,064 INFO L933 BasicCegarLoop]: 578 mSDtfsCounter, 4658 mSDsluCounter, 29831 mSDsCounter, 0 mSdLazyCounter, 6286 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4658 SdHoareTripleChecker+Valid, 29818 SdHoareTripleChecker+Invalid, 8400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 6286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2036 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-03-01 14:47:13,064 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4658 Valid, 29818 Invalid, 8400 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [78 Valid, 6286 Invalid, 0 Unknown, 2036 Unchecked, 3.0s Time] [2022-03-01 14:47:13,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-01 14:47:13,065 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Not enough levels on assertion stack at de.uni_freiburg.informatik.ultimate.logic.NoopScript.pop(NoopScript.java:272) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:138) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.UndoableWrapperScript.pop(UndoableWrapperScript.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.UndoableWrapperScript.restore(UndoableWrapperScript.java:87) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:160) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:868) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:784) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:462) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:420) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-03-01 14:47:13,068 INFO L158 Benchmark]: Toolchain (without parser) took 864145.94ms. Allocated memory was 199.2MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 146.0MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2022-03-01 14:47:13,069 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 199.2MB. Free memory is still 164.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 14:47:13,069 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.70ms. Allocated memory is still 199.2MB. Free memory was 145.9MB in the beginning and 156.7MB in the end (delta: -10.8MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. [2022-03-01 14:47:13,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.92ms. Allocated memory is still 199.2MB. Free memory was 156.7MB in the beginning and 153.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-01 14:47:13,069 INFO L158 Benchmark]: Boogie Preprocessor took 27.75ms. Allocated memory is still 199.2MB. Free memory was 153.6MB in the beginning and 152.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-01 14:47:13,069 INFO L158 Benchmark]: RCFGBuilder took 434.85ms. Allocated memory is still 199.2MB. Free memory was 152.0MB in the beginning and 135.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-03-01 14:47:13,069 INFO L158 Benchmark]: TraceAbstraction took 863249.17ms. Allocated memory was 199.2MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 135.2MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2022-03-01 14:47:13,070 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 199.2MB. Free memory is still 164.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 379.70ms. Allocated memory is still 199.2MB. Free memory was 145.9MB in the beginning and 156.7MB in the end (delta: -10.8MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.92ms. Allocated memory is still 199.2MB. Free memory was 156.7MB in the beginning and 153.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.75ms. Allocated memory is still 199.2MB. Free memory was 153.6MB in the beginning and 152.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 434.85ms. Allocated memory is still 199.2MB. Free memory was 152.0MB in the beginning and 135.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 863249.17ms. Allocated memory was 199.2MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 135.2MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Not enough levels on assertion stack de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Not enough levels on assertion stack: de.uni_freiburg.informatik.ultimate.logic.NoopScript.pop(NoopScript.java:272) RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown