/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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 09:03:32,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 09:03:32,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 09:03:32,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 09:03:32,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 09:03:32,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 09:03:32,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 09:03:32,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 09:03:32,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 09:03:32,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 09:03:32,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 09:03:32,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 09:03:32,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 09:03:32,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 09:03:32,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 09:03:32,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 09:03:32,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 09:03:32,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 09:03:32,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 09:03:32,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 09:03:32,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 09:03:32,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 09:03:32,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 09:03:32,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 09:03:32,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 09:03:32,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-16 09:03:32,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-16 09:03:32,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-16 09:03:32,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-16 09:03:32,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-16 09:03:32,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-16 09:03:32,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-16 09:03:32,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-16 09:03:32,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 09:03:32,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 09:03:32,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 09:03:32,211 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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-16 09:03:32,235 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 09:03:32,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 09:03:32,235 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 09:03:32,236 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 09:03:32,236 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 09:03:32,236 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 09:03:32,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 09:03:32,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 09:03:32,237 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 09:03:32,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 09:03:32,237 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 09:03:32,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 09:03:32,238 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 09:03:32,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 09:03:32,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 09:03:32,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 09:03:32,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 09:03:32,238 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 09:03:32,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 09:03:32,238 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 09:03:32,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 09:03:32,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 09:03:32,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 09:03:32,239 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 09:03:32,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 09:03:32,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 09:03:32,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 09:03:32,240 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 09:03:32,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 09:03:32,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 09:03:32,240 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 09:03:32,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 09:03:32,240 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 09:03:32,240 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 09:03:32,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 09:03:32,241 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 09:03:32,241 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 09:03:32,241 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 09:03:32,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 09:03:32,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 09:03:32,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 09:03:32,446 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-16 09:03:32,447 INFO L275 PluginConnector]: CDTParser initialized [2022-03-16 09:03:32,447 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2022-03-16 09:03:32,492 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6577ba0e/974e8ee341cd4f899a64d83a12559d7b/FLAGd79b5257a [2022-03-16 09:03:32,904 INFO L306 CDTParser]: Found 1 translation units. [2022-03-16 09:03:32,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2022-03-16 09:03:32,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6577ba0e/974e8ee341cd4f899a64d83a12559d7b/FLAGd79b5257a [2022-03-16 09:03:32,926 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6577ba0e/974e8ee341cd4f899a64d83a12559d7b [2022-03-16 09:03:32,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 09:03:32,928 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-16 09:03:32,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-16 09:03:32,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-16 09:03:32,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-16 09:03:32,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 09:03:32" (1/1) ... [2022-03-16 09:03:32,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7701568a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:03:32, skipping insertion in model container [2022-03-16 09:03:32,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 09:03:32" (1/1) ... [2022-03-16 09:03:32,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-16 09:03:32,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-16 09:03:33,162 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i[1092,1105] [2022-03-16 09:03:33,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 09:03:33,263 INFO L203 MainTranslator]: Completed pre-run [2022-03-16 09:03:33,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i[1092,1105] [2022-03-16 09:03:33,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 09:03:33,336 INFO L208 MainTranslator]: Completed translation [2022-03-16 09:03:33,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:03:33 WrapperNode [2022-03-16 09:03:33,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-16 09:03:33,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 09:03:33,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 09:03:33,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 09:03:33,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:03:33" (1/1) ... [2022-03-16 09:03:33,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:03:33" (1/1) ... [2022-03-16 09:03:33,369 INFO L137 Inliner]: procedures = 165, calls = 45, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 129 [2022-03-16 09:03:33,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 09:03:33,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 09:03:33,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 09:03:33,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 09:03:33,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:03:33" (1/1) ... [2022-03-16 09:03:33,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:03:33" (1/1) ... [2022-03-16 09:03:33,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:03:33" (1/1) ... [2022-03-16 09:03:33,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:03:33" (1/1) ... [2022-03-16 09:03:33,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:03:33" (1/1) ... [2022-03-16 09:03:33,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:03:33" (1/1) ... [2022-03-16 09:03:33,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:03:33" (1/1) ... [2022-03-16 09:03:33,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 09:03:33,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 09:03:33,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 09:03:33,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 09:03:33,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:03:33" (1/1) ... [2022-03-16 09:03:33,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 09:03:33,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 09:03:33,413 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) [2022-03-16 09:03:33,432 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 [2022-03-16 09:03:33,465 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2022-03-16 09:03:33,465 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2022-03-16 09:03:33,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-16 09:03:33,465 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-16 09:03:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-16 09:03:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-16 09:03:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2022-03-16 09:03:33,466 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2022-03-16 09:03:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-16 09:03:33,466 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-16 09:03:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-16 09:03:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-16 09:03:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 09:03:33,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 09:03:33,470 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 09:03:33,611 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 09:03:33,612 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 09:03:33,782 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 09:03:33,788 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 09:03:33,788 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 09:03:33,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 09:03:33 BoogieIcfgContainer [2022-03-16 09:03:33,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 09:03:33,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 09:03:33,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 09:03:33,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 09:03:33,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 09:03:32" (1/3) ... [2022-03-16 09:03:33,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58616731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 09:03:33, skipping insertion in model container [2022-03-16 09:03:33,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:03:33" (2/3) ... [2022-03-16 09:03:33,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58616731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 09:03:33, skipping insertion in model container [2022-03-16 09:03:33,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 09:03:33" (3/3) ... [2022-03-16 09:03:33,795 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_21-traces-cluster-based_true.i [2022-03-16 09:03:33,799 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 09:03:33,799 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 09:03:33,799 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-03-16 09:03:33,799 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 09:03:33,842 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,843 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,843 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,843 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,843 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,843 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,844 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,844 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,845 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,846 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,849 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,849 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,849 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,849 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,849 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,850 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,850 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,852 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,853 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,853 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,853 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,853 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,853 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,854 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,854 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,854 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,854 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,854 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,855 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,855 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,855 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,855 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,859 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,859 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,860 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,860 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,860 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,860 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,860 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,860 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,860 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,860 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,861 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,861 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,861 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,861 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,861 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,861 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,861 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,861 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,861 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,862 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,862 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,862 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,862 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,862 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,862 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,862 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,863 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,863 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,863 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,863 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,864 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,864 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_~x~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,864 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,864 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_~x~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,864 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,864 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,864 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,864 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,865 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,865 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_~y~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,865 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,865 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_~y~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,865 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,865 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,865 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,865 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,866 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,866 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,866 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,866 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,866 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,866 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,866 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_~x~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,866 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_~x~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,867 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_~y~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,867 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_~y~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,867 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_~x~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,867 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_~y~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,867 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,867 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_~x~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,867 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_~y~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,867 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,867 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,868 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,868 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,868 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,868 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,871 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,871 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,871 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,872 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,872 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,873 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,873 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,873 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,873 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,874 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,874 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,874 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,875 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,879 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,879 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,879 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,879 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,880 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,880 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,882 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,882 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,882 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,882 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,883 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,883 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,884 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,884 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,892 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,893 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,893 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,893 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,893 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_~x~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,894 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,894 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,894 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,894 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,894 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,894 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,894 WARN L322 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork0_~y~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,896 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,897 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,897 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,900 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,900 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,900 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,900 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,900 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,900 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,900 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,900 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,900 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,901 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,901 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:03:33,901 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-16 09:03:33,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 09:03:33,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 09:03:33,938 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-16 09:03:33,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-16 09:03:33,967 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 09:03:33,973 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=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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=false, mMcrOverapproximateWrwc=true [2022-03-16 09:03:33,973 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-03-16 09:03:34,035 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 124 transitions and produced 125 states. [2022-03-16 09:03:34,036 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2022-03-16 09:03:34,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 09:03:34,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1651995163, now seen corresponding path program 1 times [2022-03-16 09:03:34,047 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 09:03:34,047 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960560291] [2022-03-16 09:03:34,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:03:34,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 09:03:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 09:03:34,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 09:03:34,366 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 09:03:34,366 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960560291] [2022-03-16 09:03:34,367 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960560291] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 09:03:34,367 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 09:03:34,367 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-16 09:03:34,368 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599266588] [2022-03-16 09:03:34,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 09:03:34,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-16 09:03:34,373 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 09:03:34,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-16 09:03:34,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-03-16 09:03:34,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:03:34,394 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 09:03:34,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 09:03:34,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:03:34,557 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 175 transitions and produced 176 states. [2022-03-16 09:03:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 09:03:34,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 09:03:34,558 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2022-03-16 09:03:34,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 09:03:34,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1176144187, now seen corresponding path program 1 times [2022-03-16 09:03:34,559 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 09:03:34,559 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629076387] [2022-03-16 09:03:34,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:03:34,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 09:03:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 09:03:34,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 09:03:34,805 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 09:03:34,805 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629076387] [2022-03-16 09:03:34,805 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629076387] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 09:03:34,805 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 09:03:34,805 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-16 09:03:34,805 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722187116] [2022-03-16 09:03:34,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 09:03:34,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-16 09:03:34,808 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 09:03:34,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-16 09:03:34,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-03-16 09:03:34,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:03:34,810 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 09:03:34,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 09:03:34,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 09:03:34,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:03:34,998 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 271 transitions and produced 272 states. [2022-03-16 09:03:34,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 09:03:34,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 09:03:34,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-16 09:03:34,999 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2022-03-16 09:03:34,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 09:03:34,999 INFO L85 PathProgramCache]: Analyzing trace with hash -522042814, now seen corresponding path program 1 times [2022-03-16 09:03:34,999 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 09:03:35,000 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138814722] [2022-03-16 09:03:35,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:03:35,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 09:03:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 09:03:35,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 09:03:35,166 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 09:03:35,166 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138814722] [2022-03-16 09:03:35,166 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138814722] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 09:03:35,166 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 09:03:35,166 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-16 09:03:35,166 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872627869] [2022-03-16 09:03:35,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 09:03:35,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-16 09:03:35,167 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 09:03:35,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-16 09:03:35,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-03-16 09:03:35,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:03:35,167 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 09:03:35,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 09:03:35,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 09:03:35,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 09:03:35,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:03:35,503 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1149 transitions and produced 740 states. [2022-03-16 09:03:35,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 09:03:35,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 09:03:35,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-16 09:03:35,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-16 09:03:35,504 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2022-03-16 09:03:35,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 09:03:35,505 INFO L85 PathProgramCache]: Analyzing trace with hash -2005423015, now seen corresponding path program 1 times [2022-03-16 09:03:35,505 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 09:03:35,505 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496713590] [2022-03-16 09:03:35,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:03:35,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 09:03:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 09:03:35,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 09:03:35,703 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 09:03:35,706 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496713590] [2022-03-16 09:03:35,706 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496713590] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 09:03:35,707 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 09:03:35,707 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-16 09:03:35,707 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895806782] [2022-03-16 09:03:35,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 09:03:35,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-16 09:03:35,708 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 09:03:35,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-16 09:03:35,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-16 09:03:35,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:03:35,709 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 09:03:35,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 6 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 09:03:35,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 09:03:35,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 09:03:35,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-16 09:03:35,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:03:35,789 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 657 transitions and produced 481 states. [2022-03-16 09:03:35,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 09:03:35,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 09:03:35,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-16 09:03:35,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 09:03:35,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-16 09:03:35,790 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2022-03-16 09:03:35,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 09:03:35,792 INFO L85 PathProgramCache]: Analyzing trace with hash 128349356, now seen corresponding path program 1 times [2022-03-16 09:03:35,792 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 09:03:35,792 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468835970] [2022-03-16 09:03:35,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:03:35,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 09:03:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 09:03:35,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 09:03:35,922 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 09:03:35,922 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468835970] [2022-03-16 09:03:35,922 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468835970] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 09:03:35,922 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 09:03:35,922 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-16 09:03:35,922 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123245295] [2022-03-16 09:03:35,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 09:03:35,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-16 09:03:35,923 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 09:03:35,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-16 09:03:35,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-03-16 09:03:35,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:03:35,923 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 09:03:35,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.875) internal successors, (143), 8 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 09:03:35,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 09:03:35,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 09:03:35,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-16 09:03:35,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 09:03:35,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:03:39,219 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 145757 transitions and produced 52351 states. [2022-03-16 09:03:39,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 09:03:39,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-16 09:03:39,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-16 09:03:39,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 09:03:39,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-16 09:03:39,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-16 09:03:39,222 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2022-03-16 09:03:39,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 09:03:39,223 INFO L85 PathProgramCache]: Analyzing trace with hash 690997268, now seen corresponding path program 1 times [2022-03-16 09:03:39,223 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 09:03:39,223 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641997060] [2022-03-16 09:03:39,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:03:39,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 09:03:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 09:03:39,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 09:03:39,324 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 09:03:39,324 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641997060] [2022-03-16 09:03:39,325 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641997060] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 09:03:39,325 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 09:03:39,325 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-16 09:03:39,325 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031342449] [2022-03-16 09:03:39,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 09:03:39,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-16 09:03:39,325 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 09:03:39,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-16 09:03:39,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-16 09:03:39,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:03:39,326 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 09:03:39,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.166666666666668) internal successors, (127), 6 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 09:03:39,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 09:03:39,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-03-16 09:03:39,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-03-16 09:03:39,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 09:03:39,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-16 09:03:39,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:03:40,634 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 73030 transitions and produced 25853 states. [2022-03-16 09:03:40,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 09:03:40,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-16 09:03:40,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-16 09:03:40,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 09:03:40,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-16 09:03:40,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 09:03:40,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-16 09:03:40,635 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2022-03-16 09:03:40,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 09:03:40,635 INFO L85 PathProgramCache]: Analyzing trace with hash 431548820, now seen corresponding path program 2 times [2022-03-16 09:03:40,635 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 09:03:40,636 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464168551] [2022-03-16 09:03:40,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:03:40,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 09:03:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 09:03:40,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 09:03:40,714 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 09:03:40,715 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464168551] [2022-03-16 09:03:40,715 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464168551] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 09:03:40,715 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 09:03:40,715 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-16 09:03:40,715 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222670191] [2022-03-16 09:03:40,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 09:03:40,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-16 09:03:40,715 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 09:03:40,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-16 09:03:40,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-03-16 09:03:40,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:03:40,716 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 09:03:40,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.875) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 09:03:40,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 09:03:40,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-03-16 09:03:40,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-03-16 09:03:40,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 09:03:40,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-16 09:03:40,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 09:03:40,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:04:14,093 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2032021 transitions and produced 542298 states. [2022-03-16 09:04:14,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-16 09:04:14,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-16 09:04:14,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-16 09:04:14,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 09:04:14,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-16 09:04:14,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 09:04:14,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-16 09:04:14,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-16 09:04:14,097 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2022-03-16 09:04:14,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 09:04:14,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1390671596, now seen corresponding path program 1 times [2022-03-16 09:04:14,097 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 09:04:14,097 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463210500] [2022-03-16 09:04:14,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:04:14,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 09:04:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 09:04:14,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 09:04:14,223 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 09:04:14,223 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463210500] [2022-03-16 09:04:14,223 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463210500] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 09:04:14,224 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 09:04:14,224 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-16 09:04:14,224 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585572539] [2022-03-16 09:04:14,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 09:04:14,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-16 09:04:14,224 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 09:04:14,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-16 09:04:14,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-03-16 09:04:14,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:04:14,225 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 09:04:14,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.25) internal successors, (138), 8 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 09:04:14,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-03-16 09:04:14,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-03-16 09:04:14,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-03-16 09:04:14,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 09:04:14,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-16 09:04:14,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 09:04:14,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-16 09:04:14,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:04:14,379 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 430 transitions and produced 363 states. [2022-03-16 09:04:14,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-16 09:04:14,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-16 09:04:14,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-16 09:04:14,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 09:04:14,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-16 09:04:14,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 09:04:14,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-16 09:04:14,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-16 09:04:14,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-16 09:04:14,380 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2022-03-16 09:04:14,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 09:04:14,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1400131114, now seen corresponding path program 1 times [2022-03-16 09:04:14,381 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 09:04:14,381 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742770257] [2022-03-16 09:04:14,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:04:14,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 09:04:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 09:04:14,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 09:04:14,461 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 09:04:14,461 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742770257] [2022-03-16 09:04:14,461 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742770257] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 09:04:14,461 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 09:04:14,461 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-16 09:04:14,461 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301754456] [2022-03-16 09:04:14,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 09:04:14,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-16 09:04:14,461 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 09:04:14,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-16 09:04:14,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-03-16 09:04:14,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:04:14,463 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 09:04:14,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 09:04:14,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-03-16 09:04:14,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-03-16 09:04:14,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-03-16 09:04:14,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 09:04:14,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-16 09:04:14,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 09:04:14,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-16 09:04:14,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-16 09:04:14,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.