/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/13-privatized_27-multiple-protecting2_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 13:34:54,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 13:34:54,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 13:34:54,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 13:34:54,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 13:34:54,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 13:34:54,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 13:34:54,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 13:34:54,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 13:34:54,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 13:34:54,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 13:34:54,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 13:34:54,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 13:34:54,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 13:34:54,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 13:34:54,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 13:34:54,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 13:34:54,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 13:34:54,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 13:34:54,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 13:34:54,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 13:34:54,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 13:34:54,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 13:34:54,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 13:34:54,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 13:34:54,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-19 13:34:54,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-19 13:34:54,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-19 13:34:54,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-19 13:34:54,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-19 13:34:54,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-19 13:34:54,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-19 13:34:54,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-19 13:34:54,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 13:34:54,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 13:34:54,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 13:34:54,260 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 [2022-02-19 13:34:54,283 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 13:34:54,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 13:34:54,284 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 13:34:54,284 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 13:34:54,285 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 13:34:54,285 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 13:34:54,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 13:34:54,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 13:34:54,285 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 13:34:54,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 13:34:54,286 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 13:34:54,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 13:34:54,286 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 13:34:54,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 13:34:54,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 13:34:54,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 13:34:54,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 13:34:54,286 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 13:34:54,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 13:34:54,286 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 13:34:54,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 13:34:54,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 13:34:54,287 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 13:34:54,287 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 13:34:54,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 13:34:54,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 13:34:54,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 13:34:54,288 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 13:34:54,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 13:34:54,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 13:34:54,288 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 13:34:54,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 13:34:54,288 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 13:34:54,289 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 13:34:54,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 13:34:54,289 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 13:34:54,289 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-02-19 13:34:54,289 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 13:34:54,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 13:34:54,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 13:34:54,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 13:34:54,461 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-19 13:34:54,464 INFO L275 PluginConnector]: CDTParser initialized [2022-02-19 13:34:54,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2022-02-19 13:34:54,535 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fb4888f7/0a38c7dade894ed2b5ecc1157016b16d/FLAGc72a0ab2a [2022-02-19 13:34:54,949 INFO L306 CDTParser]: Found 1 translation units. [2022-02-19 13:34:54,949 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2022-02-19 13:34:54,956 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fb4888f7/0a38c7dade894ed2b5ecc1157016b16d/FLAGc72a0ab2a [2022-02-19 13:34:54,977 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fb4888f7/0a38c7dade894ed2b5ecc1157016b16d [2022-02-19 13:34:54,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 13:34:54,979 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-19 13:34:54,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-19 13:34:54,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-19 13:34:54,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-19 13:34:54,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 01:34:54" (1/1) ... [2022-02-19 13:34:54,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5531d049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:34:54, skipping insertion in model container [2022-02-19 13:34:54,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 01:34:54" (1/1) ... [2022-02-19 13:34:54,988 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-19 13:34:55,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-19 13:34:55,164 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/13-privatized_27-multiple-protecting2_true.i[1097,1110] [2022-02-19 13:34:55,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 13:34:55,310 INFO L203 MainTranslator]: Completed pre-run [2022-02-19 13:34:55,319 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/13-privatized_27-multiple-protecting2_true.i[1097,1110] [2022-02-19 13:34:55,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 13:34:55,369 INFO L208 MainTranslator]: Completed translation [2022-02-19 13:34:55,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:34:55 WrapperNode [2022-02-19 13:34:55,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-19 13:34:55,370 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 13:34:55,370 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 13:34:55,370 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 13:34:55,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:34:55" (1/1) ... [2022-02-19 13:34:55,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:34:55" (1/1) ... [2022-02-19 13:34:55,405 INFO L137 Inliner]: procedures = 163, calls = 52, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 104 [2022-02-19 13:34:55,405 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 13:34:55,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 13:34:55,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 13:34:55,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 13:34:55,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:34:55" (1/1) ... [2022-02-19 13:34:55,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:34:55" (1/1) ... [2022-02-19 13:34:55,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:34:55" (1/1) ... [2022-02-19 13:34:55,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:34:55" (1/1) ... [2022-02-19 13:34:55,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:34:55" (1/1) ... [2022-02-19 13:34:55,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:34:55" (1/1) ... [2022-02-19 13:34:55,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:34:55" (1/1) ... [2022-02-19 13:34:55,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 13:34:55,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 13:34:55,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 13:34:55,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 13:34:55,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:34:55" (1/1) ... [2022-02-19 13:34:55,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 13:34:55,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 13:34:55,493 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) [2022-02-19 13:34:55,510 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 [2022-02-19 13:34:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-19 13:34:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2022-02-19 13:34:55,525 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2022-02-19 13:34:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-19 13:34:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-19 13:34:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-19 13:34:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-19 13:34:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-19 13:34:55,525 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-19 13:34:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-19 13:34:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-19 13:34:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 13:34:55,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 13:34:55,526 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 13:34:55,632 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 13:34:55,633 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 13:34:55,826 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 13:34:55,845 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 13:34:55,846 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 13:34:55,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 01:34:55 BoogieIcfgContainer [2022-02-19 13:34:55,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 13:34:55,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 13:34:55,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 13:34:55,851 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 13:34:55,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 01:34:54" (1/3) ... [2022-02-19 13:34:55,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bf42ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 01:34:55, skipping insertion in model container [2022-02-19 13:34:55,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:34:55" (2/3) ... [2022-02-19 13:34:55,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bf42ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 01:34:55, skipping insertion in model container [2022-02-19 13:34:55,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 01:34:55" (3/3) ... [2022-02-19 13:34:55,854 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_27-multiple-protecting2_true.i [2022-02-19 13:34:55,857 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 13:34:55,857 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 13:34:55,857 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-19 13:34:55,857 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 13:34:55,916 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,916 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,916 WARN L322 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,916 WARN L322 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,917 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,917 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,917 WARN L322 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,917 WARN L322 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,917 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,917 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,917 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,917 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,918 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,918 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,918 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,918 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,918 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,918 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,918 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,919 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,919 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,919 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,919 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,919 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,920 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,920 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,920 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,920 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,920 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,920 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,920 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,921 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,921 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,921 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,921 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,921 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,922 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,930 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,930 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,930 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,945 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,945 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,945 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,945 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,945 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,946 WARN L322 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,946 WARN L322 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,946 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,946 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,957 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,957 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:34:55,960 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-19 13:34:55,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 13:34:55,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 13:34:55,989 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) [2022-02-19 13:34:55,990 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 [2022-02-19 13:34:56,013 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 13:34:56,017 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 [2022-02-19 13:34:56,017 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-02-19 13:34:56,056 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 91 transitions and produced 92 states. [2022-02-19 13:34:56,057 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-19 13:34:56,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 13:34:56,060 INFO L85 PathProgramCache]: Analyzing trace with hash 811554038, now seen corresponding path program 1 times [2022-02-19 13:34:56,066 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 13:34:56,066 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708369641] [2022-02-19 13:34:56,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 13:34:56,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 13:34:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 13:34:56,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 13:34:56,279 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 13:34:56,279 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708369641] [2022-02-19 13:34:56,280 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708369641] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 13:34:56,280 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 13:34:56,280 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-19 13:34:56,281 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207100188] [2022-02-19 13:34:56,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 13:34:56,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-19 13:34:56,284 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 13:34:56,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-19 13:34:56,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-19 13:34:56,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:34:56,319 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 13:34:56,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 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) [2022-02-19 13:34:56,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:34:56,405 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 153 transitions and produced 154 states. [2022-02-19 13:34:56,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 13:34:56,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 13:34:56,406 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-19 13:34:56,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 13:34:56,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1808695242, now seen corresponding path program 1 times [2022-02-19 13:34:56,407 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 13:34:56,407 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649374823] [2022-02-19 13:34:56,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 13:34:56,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 13:34:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 13:34:56,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 13:34:56,599 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 13:34:56,600 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649374823] [2022-02-19 13:34:56,600 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649374823] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 13:34:56,600 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 13:34:56,600 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-19 13:34:56,600 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014358642] [2022-02-19 13:34:56,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 13:34:56,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-19 13:34:56,601 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 13:34:56,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-19 13:34:56,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-19 13:34:56,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:34:56,602 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 13:34:56,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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) [2022-02-19 13:34:56,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 13:34:56,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:34:58,574 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 78659 transitions and produced 29088 states. [2022-02-19 13:34:58,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 13:34:58,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 13:34:58,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 13:34:58,575 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-19 13:34:58,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 13:34:58,576 INFO L85 PathProgramCache]: Analyzing trace with hash 551702971, now seen corresponding path program 1 times [2022-02-19 13:34:58,576 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 13:34:58,576 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028050471] [2022-02-19 13:34:58,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 13:34:58,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 13:34:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 13:34:58,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 13:34:58,711 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 13:34:58,711 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028050471] [2022-02-19 13:34:58,712 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028050471] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 13:34:58,712 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 13:34:58,712 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-19 13:34:58,712 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321603675] [2022-02-19 13:34:58,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 13:34:58,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-19 13:34:58,713 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 13:34:58,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-19 13:34:58,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-19 13:34:58,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:34:58,713 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 13:34:58,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 13:34:58,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 13:34:58,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 13:34:58,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:34:58,879 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1398 transitions and produced 799 states. [2022-02-19 13:34:58,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 13:34:58,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 13:34:58,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 13:34:58,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-19 13:34:58,880 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-19 13:34:58,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 13:34:58,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1029697256, now seen corresponding path program 1 times [2022-02-19 13:34:58,881 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 13:34:58,881 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381431040] [2022-02-19 13:34:58,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 13:34:58,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 13:34:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 13:34:59,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 13:34:59,247 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 13:34:59,250 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381431040] [2022-02-19 13:34:59,250 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381431040] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 13:34:59,250 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 13:34:59,250 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-19 13:34:59,251 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951645513] [2022-02-19 13:34:59,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 13:34:59,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-19 13:34:59,252 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 13:34:59,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-19 13:34:59,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-02-19 13:34:59,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:34:59,254 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 13:34:59,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 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) [2022-02-19 13:34:59,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 13:34:59,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 13:34:59,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 13:34:59,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:34:59,422 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2992 transitions and produced 1727 states. [2022-02-19 13:34:59,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 13:34:59,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 13:34:59,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 13:34:59,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 13:34:59,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-19 13:34:59,426 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-19 13:34:59,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 13:34:59,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1459122900, now seen corresponding path program 1 times [2022-02-19 13:34:59,426 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 13:34:59,426 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839939577] [2022-02-19 13:34:59,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 13:34:59,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 13:34:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 13:34:59,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 13:34:59,491 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 13:34:59,491 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839939577] [2022-02-19 13:34:59,491 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839939577] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 13:34:59,491 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 13:34:59,491 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-19 13:34:59,491 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536614408] [2022-02-19 13:34:59,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 13:34:59,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-19 13:34:59,492 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 13:34:59,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-19 13:34:59,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-19 13:34:59,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:34:59,492 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 13:34:59,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 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) [2022-02-19 13:34:59,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 13:34:59,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 13:34:59,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 13:34:59,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 13:34:59,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:34:59,586 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1041 transitions and produced 667 states. [2022-02-19 13:34:59,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 13:34:59,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 13:34:59,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 13:34:59,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 13:34:59,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 13:34:59,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-19 13:34:59,587 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-19 13:34:59,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 13:34:59,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1538838722, now seen corresponding path program 1 times [2022-02-19 13:34:59,588 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 13:34:59,588 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172430186] [2022-02-19 13:34:59,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 13:34:59,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 13:34:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 13:34:59,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 13:34:59,738 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 13:34:59,738 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172430186] [2022-02-19 13:34:59,738 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172430186] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 13:34:59,738 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 13:34:59,738 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-19 13:34:59,738 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871688872] [2022-02-19 13:34:59,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 13:34:59,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-19 13:34:59,739 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 13:34:59,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-19 13:34:59,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-02-19 13:34:59,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:34:59,739 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 13:34:59,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 13:34:59,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 13:34:59,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 13:34:59,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 13:34:59,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 13:34:59,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 13:34:59,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:00,401 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 14409 transitions and produced 8001 states. [2022-02-19 13:35:00,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 13:35:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 13:35:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 13:35:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 13:35:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 13:35:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 13:35:00,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-19 13:35:00,402 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-19 13:35:00,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 13:35:00,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1947058439, now seen corresponding path program 1 times [2022-02-19 13:35:00,403 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 13:35:00,403 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720570126] [2022-02-19 13:35:00,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 13:35:00,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 13:35:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 13:35:00,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 13:35:00,478 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 13:35:00,478 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720570126] [2022-02-19 13:35:00,478 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720570126] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 13:35:00,478 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 13:35:00,478 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-19 13:35:00,478 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848230687] [2022-02-19 13:35:00,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 13:35:00,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-19 13:35:00,479 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 13:35:00,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-19 13:35:00,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-02-19 13:35:00,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:00,479 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 13:35:00,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 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) [2022-02-19 13:35:00,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 13:35:00,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 13:35:00,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 13:35:00,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 13:35:00,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 13:35:00,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 13:35:00,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:02,432 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 63403 transitions and produced 28625 states. [2022-02-19 13:35:02,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 13:35:02,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 13:35:02,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 13:35:02,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 13:35:02,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 13:35:02,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-19 13:35:02,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 13:35:02,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-19 13:35:02,433 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-19 13:35:02,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 13:35:02,434 INFO L85 PathProgramCache]: Analyzing trace with hash -123530154, now seen corresponding path program 1 times [2022-02-19 13:35:02,434 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 13:35:02,434 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688423124] [2022-02-19 13:35:02,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 13:35:02,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 13:35:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 13:35:02,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 13:35:02,496 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 13:35:02,496 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688423124] [2022-02-19 13:35:02,496 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688423124] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 13:35:02,496 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 13:35:02,496 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-19 13:35:02,497 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805305471] [2022-02-19 13:35:02,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 13:35:02,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-19 13:35:02,497 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 13:35:02,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-19 13:35:02,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-19 13:35:02,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:02,498 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 13:35:02,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 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) [2022-02-19 13:35:02,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 13:35:02,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 13:35:02,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 13:35:02,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 13:35:02,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 13:35:02,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-19 13:35:02,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 13:35:02,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:04,212 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 55814 transitions and produced 25527 states. [2022-02-19 13:35:04,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 13:35:04,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 13:35:04,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 13:35:04,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 13:35:04,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 13:35:04,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-19 13:35:04,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 13:35:04,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 13:35:04,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-19 13:35:04,213 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-19 13:35:04,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 13:35:04,214 INFO L85 PathProgramCache]: Analyzing trace with hash -20482016, now seen corresponding path program 1 times [2022-02-19 13:35:04,214 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 13:35:04,214 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999860785] [2022-02-19 13:35:04,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 13:35:04,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 13:35:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 13:35:04,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 13:35:04,376 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 13:35:04,376 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999860785] [2022-02-19 13:35:04,377 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999860785] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 13:35:04,377 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 13:35:04,377 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-19 13:35:04,377 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665602658] [2022-02-19 13:35:04,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 13:35:04,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-19 13:35:04,377 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 13:35:04,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-19 13:35:04,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-02-19 13:35:04,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:04,378 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 13:35:04,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.0) internal successors, (104), 8 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 13:35:04,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 13:35:04,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 13:35:04,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 13:35:04,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 13:35:04,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 13:35:04,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-19 13:35:04,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 13:35:04,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 13:35:04,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:14,300 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 389487 transitions and produced 164941 states. [2022-02-19 13:35:14,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 13:35:14,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 13:35:14,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 13:35:14,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 13:35:14,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 13:35:14,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-19 13:35:14,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 13:35:14,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 13:35:14,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 13:35:14,303 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-02-19 13:35:14,303 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-02-19 13:35:14,303 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2022-02-19 13:35:14,303 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2022-02-19 13:35:14,304 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 6 remaining) [2022-02-19 13:35:14,304 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 6 remaining) [2022-02-19 13:35:14,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-19 13:35:14,308 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-19 13:35:14,309 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 13:35:14,309 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 13:35:14,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 01:35:14 BasicIcfg [2022-02-19 13:35:14,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 13:35:14,311 INFO L158 Benchmark]: Toolchain (without parser) took 19331.89ms. Allocated memory was 176.2MB in the beginning and 5.8GB in the end (delta: 5.6GB). Free memory was 152.4MB in the beginning and 4.2GB in the end (delta: -4.0GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2022-02-19 13:35:14,311 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 176.2MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 13:35:14,312 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.02ms. Allocated memory was 176.2MB in the beginning and 220.2MB in the end (delta: 44.0MB). Free memory was 152.0MB in the beginning and 187.4MB in the end (delta: -35.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-19 13:35:14,312 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.08ms. Allocated memory is still 220.2MB. Free memory was 187.4MB in the beginning and 185.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 13:35:14,312 INFO L158 Benchmark]: Boogie Preprocessor took 24.65ms. Allocated memory is still 220.2MB. Free memory was 184.7MB in the beginning and 183.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 13:35:14,312 INFO L158 Benchmark]: RCFGBuilder took 416.41ms. Allocated memory is still 220.2MB. Free memory was 183.7MB in the beginning and 167.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-02-19 13:35:14,312 INFO L158 Benchmark]: TraceAbstraction took 18462.21ms. Allocated memory was 220.2MB in the beginning and 5.8GB in the end (delta: 5.6GB). Free memory was 166.9MB in the beginning and 4.2GB in the end (delta: -4.0GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2022-02-19 13:35:14,313 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 176.2MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 389.02ms. Allocated memory was 176.2MB in the beginning and 220.2MB in the end (delta: 44.0MB). Free memory was 152.0MB in the beginning and 187.4MB in the end (delta: -35.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.08ms. Allocated memory is still 220.2MB. Free memory was 187.4MB in the beginning and 185.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.65ms. Allocated memory is still 220.2MB. Free memory was 184.7MB in the beginning and 183.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 416.41ms. Allocated memory is still 220.2MB. Free memory was 183.7MB in the beginning and 167.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 18462.21ms. Allocated memory was 220.2MB in the beginning and 5.8GB in the end (delta: 5.6GB). Free memory was 166.9MB in the beginning and 4.2GB in the end (delta: -4.0GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 196 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 18.3s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 16.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 77, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 855 NumberOfCodeBlocks, 855 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 846 ConstructedInterpolants, 0 QuantifiedInterpolants, 3929 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-19 13:35:14,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-02-19 13:35:14,548 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...