/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.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-c7b2d19 [2022-03-15 18:10:35,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 18:10:35,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 18:10:35,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 18:10:35,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 18:10:35,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 18:10:35,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 18:10:35,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 18:10:35,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 18:10:35,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 18:10:35,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 18:10:35,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 18:10:35,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 18:10:35,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 18:10:35,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 18:10:35,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 18:10:35,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 18:10:35,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 18:10:35,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 18:10:35,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 18:10:35,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 18:10:35,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 18:10:35,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 18:10:35,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 18:10:35,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 18:10:35,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 18:10:35,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 18:10:35,860 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 18:10:35,860 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 18:10:35,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-15 18:10:35,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-15 18:10:35,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-15 18:10:35,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-15 18:10:35,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-15 18:10:35,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-15 18:10:35,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-15 18:10:35,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-15 18:10:35,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-15 18:10:35,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 18:10:35,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 18:10:35,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 18:10:35,866 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2022-03-15 18:10:35,881 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 18:10:35,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 18:10:35,881 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 18:10:35,881 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 18:10:35,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 18:10:35,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 18:10:35,882 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 18:10:35,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 18:10:35,882 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 18:10:35,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 18:10:35,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 18:10:35,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 18:10:35,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 18:10:35,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 18:10:35,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 18:10:35,890 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 18:10:35,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 18:10:35,890 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 18:10:35,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 18:10:35,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 18:10:35,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 18:10:35,891 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 18:10:35,891 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 18:10:35,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 18:10:35,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 18:10:35,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 18:10:35,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 18:10:35,891 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 18:10:35,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 18:10:35,891 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 18:10:35,892 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 18:10:35,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 18:10:35,892 INFO L138 SettingsManager]: * Interpolant automaton=MCR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 18:10:36,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 18:10:36,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 18:10:36,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 18:10:36,084 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 18:10:36,086 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 18:10:36,087 INFO L432 ainManager$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 [2022-03-15 18:10:36,144 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9fc5a5db/83db42767a7b4141aa91642e51455dab/FLAGf9e98c39a [2022-03-15 18:10:36,478 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 18:10:36,479 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2022-03-15 18:10:36,499 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9fc5a5db/83db42767a7b4141aa91642e51455dab/FLAGf9e98c39a [2022-03-15 18:10:36,880 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9fc5a5db/83db42767a7b4141aa91642e51455dab [2022-03-15 18:10:36,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 18:10:36,883 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 18:10:36,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 18:10:36,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 18:10:36,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 18:10:36,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 06:10:36" (1/1) ... [2022-03-15 18:10:36,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d79f019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:10:36, skipping insertion in model container [2022-03-15 18:10:36,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 06:10:36" (1/1) ... [2022-03-15 18:10:36,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 18:10:36,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 18:10:37,052 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] [2022-03-15 18:10:37,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 18:10:37,172 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 18:10:37,185 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] [2022-03-15 18:10:37,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 18:10:37,241 INFO L208 MainTranslator]: Completed translation [2022-03-15 18:10:37,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:10:37 WrapperNode [2022-03-15 18:10:37,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 18:10:37,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 18:10:37,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 18:10:37,243 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 18:10:37,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:10:37" (1/1) ... [2022-03-15 18:10:37,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:10:37" (1/1) ... [2022-03-15 18:10:37,274 INFO L137 Inliner]: procedures = 163, calls = 52, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 104 [2022-03-15 18:10:37,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 18:10:37,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 18:10:37,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 18:10:37,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 18:10:37,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:10:37" (1/1) ... [2022-03-15 18:10:37,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:10:37" (1/1) ... [2022-03-15 18:10:37,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:10:37" (1/1) ... [2022-03-15 18:10:37,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:10:37" (1/1) ... [2022-03-15 18:10:37,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:10:37" (1/1) ... [2022-03-15 18:10:37,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:10:37" (1/1) ... [2022-03-15 18:10:37,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:10:37" (1/1) ... [2022-03-15 18:10:37,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 18:10:37,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 18:10:37,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 18:10:37,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 18:10:37,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:10:37" (1/1) ... [2022-03-15 18:10:37,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 18:10:37,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 18:10:37,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-15 18:10:37,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-15 18:10:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 18:10:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2022-03-15 18:10:37,395 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2022-03-15 18:10:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 18:10:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-15 18:10:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 18:10:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 18:10:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-15 18:10:37,395 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-15 18:10:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 18:10:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 18:10:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 18:10:37,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 18:10:37,397 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 18:10:37,530 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 18:10:37,531 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 18:10:37,738 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 18:10:37,743 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 18:10:37,744 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-15 18:10:37,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 06:10:37 BoogieIcfgContainer [2022-03-15 18:10:37,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 18:10:37,746 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 18:10:37,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 18:10:37,749 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 18:10:37,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 06:10:36" (1/3) ... [2022-03-15 18:10:37,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ebcff11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 06:10:37, skipping insertion in model container [2022-03-15 18:10:37,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:10:37" (2/3) ... [2022-03-15 18:10:37,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ebcff11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 06:10:37, skipping insertion in model container [2022-03-15 18:10:37,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 06:10:37" (3/3) ... [2022-03-15 18:10:37,751 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_27-multiple-protecting2_true.i [2022-03-15 18:10:37,754 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 18:10:37,754 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 18:10:37,754 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-03-15 18:10:37,755 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 18:10:37,786 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,787 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,787 WARN L322 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,787 WARN L322 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,787 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,787 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,788 WARN L322 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,788 WARN L322 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,788 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,788 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,788 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,788 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,789 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,789 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,789 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,789 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,789 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,789 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,789 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,790 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,790 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,790 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,790 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,790 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,791 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,791 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,791 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,791 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,791 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,791 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,792 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,792 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,792 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,792 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,792 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,792 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,793 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,793 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,793 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,794 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,795 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,795 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,795 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,795 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,795 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,796 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,796 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,796 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,796 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,796 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,801 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,801 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,801 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,801 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,802 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,802 WARN L322 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,802 WARN L322 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,802 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,802 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,804 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,804 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,804 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,804 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,804 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,804 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,805 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,805 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,805 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:10:37,807 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-15 18:10:37,852 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 18:10:37,856 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 18:10:37,857 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-03-15 18:10:37,874 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 18:10:37,882 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 162 places, 159 transitions, 334 flow [2022-03-15 18:10:37,888 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 162 places, 159 transitions, 334 flow [2022-03-15 18:10:37,889 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 162 places, 159 transitions, 334 flow [2022-03-15 18:10:37,954 INFO L129 PetriNetUnfolder]: 4/157 cut-off events. [2022-03-15 18:10:37,954 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-03-15 18:10:37,958 INFO L84 FinitePrefix]: Finished finitePrefix Result has 166 conditions, 157 events. 4/157 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 136 event pairs, 0 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 105. Up to 2 conditions per place. [2022-03-15 18:10:37,963 INFO L116 LiptonReduction]: Number of co-enabled transitions 5364 [2022-03-15 18:10:41,216 INFO L131 LiptonReduction]: Checked pairs total: 14838 [2022-03-15 18:10:41,216 INFO L133 LiptonReduction]: Total number of compositions: 133 [2022-03-15 18:10:41,231 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 48 transitions, 112 flow [2022-03-15 18:10:41,309 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1559 states, 1554 states have (on average 2.7741312741312742) internal successors, (4311), 1558 states have internal predecessors, (4311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:41,314 INFO L276 IsEmpty]: Start isEmpty. Operand has 1559 states, 1554 states have (on average 2.7741312741312742) internal successors, (4311), 1558 states have internal predecessors, (4311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:41,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-03-15 18:10:41,318 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:10:41,320 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:10:41,321 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)] === [2022-03-15 18:10:41,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:10:41,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1717883920, now seen corresponding path program 1 times [2022-03-15 18:10:41,336 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:10:41,336 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306002324] [2022-03-15 18:10:41,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:10:41,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:10:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:10:41,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:10:41,481 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:10:41,482 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306002324] [2022-03-15 18:10:41,482 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306002324] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:10:41,482 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:10:41,482 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-03-15 18:10:41,483 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1903091552] [2022-03-15 18:10:41,484 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:10:41,485 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:10:41,492 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2022-03-15 18:10:41,492 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:10:41,494 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:10:41,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 18:10:41,495 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:10:41,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 18:10:41,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 18:10:41,512 INFO L87 Difference]: Start difference. First operand has 1559 states, 1554 states have (on average 2.7741312741312742) internal successors, (4311), 1558 states have internal predecessors, (4311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:41,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:10:41,597 INFO L93 Difference]: Finished difference Result 1478 states and 3996 transitions. [2022-03-15 18:10:41,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 18:10:41,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-03-15 18:10:41,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:10:41,612 INFO L225 Difference]: With dead ends: 1478 [2022-03-15 18:10:41,613 INFO L226 Difference]: Without dead ends: 1397 [2022-03-15 18:10:41,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 18:10:41,615 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 23 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 18:10:41,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 4 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 18:10:41,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1397 states. [2022-03-15 18:10:41,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1397 to 1397. [2022-03-15 18:10:41,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1397 states, 1393 states have (on average 2.7071069633883704) internal successors, (3771), 1396 states have internal predecessors, (3771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:41,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1397 states and 3771 transitions. [2022-03-15 18:10:41,691 INFO L78 Accepts]: Start accepts. Automaton has 1397 states and 3771 transitions. Word has length 7 [2022-03-15 18:10:41,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:10:41,691 INFO L470 AbstractCegarLoop]: Abstraction has 1397 states and 3771 transitions. [2022-03-15 18:10:41,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:41,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 3771 transitions. [2022-03-15 18:10:41,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-03-15 18:10:41,692 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:10:41,692 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:10:41,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 18:10:41,692 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-03-15 18:10:41,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:10:41,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1330367483, now seen corresponding path program 1 times [2022-03-15 18:10:41,694 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:10:41,694 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174242074] [2022-03-15 18:10:41,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:10:41,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:10:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:10:41,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:10:41,773 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:10:41,773 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174242074] [2022-03-15 18:10:41,773 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174242074] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:10:41,773 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:10:41,773 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 18:10:41,773 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1855130764] [2022-03-15 18:10:41,773 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:10:41,774 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:10:41,776 INFO L252 McrAutomatonBuilder]: Finished intersection with 19 states and 26 transitions. [2022-03-15 18:10:41,776 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:10:41,879 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:10:41,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 18:10:41,880 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:10:41,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 18:10:41,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 18:10:41,881 INFO L87 Difference]: Start difference. First operand 1397 states and 3771 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:41,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:10:41,955 INFO L93 Difference]: Finished difference Result 697 states and 1427 transitions. [2022-03-15 18:10:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 18:10:41,955 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-03-15 18:10:41,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:10:41,958 INFO L225 Difference]: With dead ends: 697 [2022-03-15 18:10:41,959 INFO L226 Difference]: Without dead ends: 697 [2022-03-15 18:10:41,959 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 18:10:41,960 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 45 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 18:10:41,960 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 0 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 18:10:41,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2022-03-15 18:10:41,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 664. [2022-03-15 18:10:41,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 664 states, 659 states have (on average 2.0971168437025796) internal successors, (1382), 663 states have internal predecessors, (1382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:41,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 1382 transitions. [2022-03-15 18:10:41,974 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 1382 transitions. Word has length 10 [2022-03-15 18:10:41,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:10:41,974 INFO L470 AbstractCegarLoop]: Abstraction has 664 states and 1382 transitions. [2022-03-15 18:10:41,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:41,975 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 1382 transitions. [2022-03-15 18:10:41,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-03-15 18:10:41,976 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:10:41,976 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:10:41,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 18:10:41,976 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-03-15 18:10:41,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:10:41,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1475642504, now seen corresponding path program 1 times [2022-03-15 18:10:41,977 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:10:41,977 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662480108] [2022-03-15 18:10:41,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:10:41,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:10:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:10:42,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:10:42,024 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:10:42,024 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662480108] [2022-03-15 18:10:42,025 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662480108] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:10:42,025 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:10:42,025 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-03-15 18:10:42,025 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1861599826] [2022-03-15 18:10:42,025 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:10:42,026 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:10:42,027 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2022-03-15 18:10:42,027 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:10:42,027 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:10:42,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 18:10:42,028 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:10:42,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 18:10:42,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 18:10:42,028 INFO L87 Difference]: Start difference. First operand 664 states and 1382 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:42,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:10:42,079 INFO L93 Difference]: Finished difference Result 840 states and 1780 transitions. [2022-03-15 18:10:42,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 18:10:42,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-03-15 18:10:42,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:10:42,082 INFO L225 Difference]: With dead ends: 840 [2022-03-15 18:10:42,082 INFO L226 Difference]: Without dead ends: 840 [2022-03-15 18:10:42,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 18:10:42,083 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 21 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 18:10:42,084 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 4 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 18:10:42,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2022-03-15 18:10:42,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 658. [2022-03-15 18:10:42,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 653 states have (on average 2.098009188361409) internal successors, (1370), 657 states have internal predecessors, (1370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:42,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 1370 transitions. [2022-03-15 18:10:42,098 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 1370 transitions. Word has length 14 [2022-03-15 18:10:42,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:10:42,098 INFO L470 AbstractCegarLoop]: Abstraction has 658 states and 1370 transitions. [2022-03-15 18:10:42,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:42,098 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1370 transitions. [2022-03-15 18:10:42,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-03-15 18:10:42,103 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:10:42,103 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:10:42,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 18:10:42,103 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-03-15 18:10:42,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:10:42,104 INFO L85 PathProgramCache]: Analyzing trace with hash 488279777, now seen corresponding path program 1 times [2022-03-15 18:10:42,105 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:10:42,105 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979536514] [2022-03-15 18:10:42,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:10:42,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:10:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:10:42,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:10:42,205 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:10:42,205 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979536514] [2022-03-15 18:10:42,206 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979536514] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:10:42,206 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:10:42,206 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 18:10:42,206 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1639283427] [2022-03-15 18:10:42,206 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:10:42,207 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:10:42,210 INFO L252 McrAutomatonBuilder]: Finished intersection with 32 states and 47 transitions. [2022-03-15 18:10:42,210 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:10:42,339 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:10:42,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 18:10:42,339 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:10:42,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 18:10:42,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-15 18:10:42,340 INFO L87 Difference]: Start difference. First operand 658 states and 1370 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:42,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:10:42,486 INFO L93 Difference]: Finished difference Result 642 states and 1305 transitions. [2022-03-15 18:10:42,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 18:10:42,486 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-03-15 18:10:42,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:10:42,488 INFO L225 Difference]: With dead ends: 642 [2022-03-15 18:10:42,488 INFO L226 Difference]: Without dead ends: 566 [2022-03-15 18:10:42,488 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 4 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-15 18:10:42,489 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 71 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 18:10:42,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 11 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 18:10:42,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2022-03-15 18:10:42,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 566. [2022-03-15 18:10:42,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 561 states have (on average 1.9982174688057042) internal successors, (1121), 565 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:42,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 1121 transitions. [2022-03-15 18:10:42,498 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 1121 transitions. Word has length 15 [2022-03-15 18:10:42,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:10:42,499 INFO L470 AbstractCegarLoop]: Abstraction has 566 states and 1121 transitions. [2022-03-15 18:10:42,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:42,499 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 1121 transitions. [2022-03-15 18:10:42,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-03-15 18:10:42,499 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:10:42,499 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:10:42,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 18:10:42,500 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)] === [2022-03-15 18:10:42,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:10:42,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1820461456, now seen corresponding path program 1 times [2022-03-15 18:10:42,501 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:10:42,501 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320554058] [2022-03-15 18:10:42,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:10:42,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:10:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:10:42,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:10:42,536 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:10:42,537 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320554058] [2022-03-15 18:10:42,537 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320554058] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:10:42,537 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:10:42,537 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 18:10:42,537 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [129641654] [2022-03-15 18:10:42,537 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:10:42,538 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:10:42,541 INFO L252 McrAutomatonBuilder]: Finished intersection with 27 states and 35 transitions. [2022-03-15 18:10:42,541 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:10:42,575 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [13531#(not (= (select (select |#pthreadsMutex| |~#__global_lock~0.base|) |~#__global_lock~0.offset|) 0))] [2022-03-15 18:10:42,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 18:10:42,575 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:10:42,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 18:10:42,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-15 18:10:42,576 INFO L87 Difference]: Start difference. First operand 566 states and 1121 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:42,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:10:42,638 INFO L93 Difference]: Finished difference Result 424 states and 678 transitions. [2022-03-15 18:10:42,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 18:10:42,638 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-03-15 18:10:42,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:10:42,639 INFO L225 Difference]: With dead ends: 424 [2022-03-15 18:10:42,640 INFO L226 Difference]: Without dead ends: 406 [2022-03-15 18:10:42,640 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-15 18:10:42,640 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 29 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 18:10:42,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 0 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 18:10:42,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2022-03-15 18:10:42,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 394. [2022-03-15 18:10:42,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 383 states have (on average 1.6475195822454307) internal successors, (631), 393 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:42,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 631 transitions. [2022-03-15 18:10:42,647 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 631 transitions. Word has length 17 [2022-03-15 18:10:42,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:10:42,647 INFO L470 AbstractCegarLoop]: Abstraction has 394 states and 631 transitions. [2022-03-15 18:10:42,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:42,647 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 631 transitions. [2022-03-15 18:10:42,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-03-15 18:10:42,648 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:10:42,648 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:10:42,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 18:10:42,648 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)] === [2022-03-15 18:10:42,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:10:42,648 INFO L85 PathProgramCache]: Analyzing trace with hash 830011484, now seen corresponding path program 1 times [2022-03-15 18:10:42,651 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:10:42,651 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356506687] [2022-03-15 18:10:42,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:10:42,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:10:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:10:42,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:10:42,687 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:10:42,687 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356506687] [2022-03-15 18:10:42,687 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356506687] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:10:42,687 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:10:42,687 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 18:10:42,687 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1613676809] [2022-03-15 18:10:42,687 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:10:42,689 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:10:42,691 INFO L252 McrAutomatonBuilder]: Finished intersection with 20 states and 20 transitions. [2022-03-15 18:10:42,691 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:10:42,702 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [14748#(or (not (= (select (select |#pthreadsMutex| |~#mutex2~0.base|) |~#mutex2~0.offset|) 0)) (not (= |~#mutex2~0.base| |~#__global_lock~0.base|)))] [2022-03-15 18:10:42,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 18:10:42,703 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:10:42,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 18:10:42,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-03-15 18:10:42,704 INFO L87 Difference]: Start difference. First operand 394 states and 631 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:42,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:10:42,770 INFO L93 Difference]: Finished difference Result 392 states and 604 transitions. [2022-03-15 18:10:42,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 18:10:42,771 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-03-15 18:10:42,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:10:42,772 INFO L225 Difference]: With dead ends: 392 [2022-03-15 18:10:42,772 INFO L226 Difference]: Without dead ends: 388 [2022-03-15 18:10:42,772 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-03-15 18:10:42,773 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 65 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 18:10:42,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 0 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 18:10:42,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2022-03-15 18:10:42,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 382. [2022-03-15 18:10:42,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 372 states have (on average 1.5994623655913978) internal successors, (595), 381 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:42,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 595 transitions. [2022-03-15 18:10:42,779 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 595 transitions. Word has length 18 [2022-03-15 18:10:42,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:10:42,779 INFO L470 AbstractCegarLoop]: Abstraction has 382 states and 595 transitions. [2022-03-15 18:10:42,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:42,779 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 595 transitions. [2022-03-15 18:10:42,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-03-15 18:10:42,780 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:10:42,780 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:10:42,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 18:10:42,780 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)] === [2022-03-15 18:10:42,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:10:42,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1660069077, now seen corresponding path program 1 times [2022-03-15 18:10:42,781 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:10:42,781 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666959456] [2022-03-15 18:10:42,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:10:42,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:10:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:10:42,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:10:42,851 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:10:42,851 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666959456] [2022-03-15 18:10:42,851 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666959456] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:10:42,852 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:10:42,852 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 18:10:42,852 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [956496831] [2022-03-15 18:10:42,852 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:10:42,853 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:10:42,856 INFO L252 McrAutomatonBuilder]: Finished intersection with 28 states and 35 transitions. [2022-03-15 18:10:42,856 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:10:42,882 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:10:42,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 18:10:42,882 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:10:42,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 18:10:42,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-15 18:10:42,883 INFO L87 Difference]: Start difference. First operand 382 states and 595 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:42,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:10:42,929 INFO L93 Difference]: Finished difference Result 290 states and 440 transitions. [2022-03-15 18:10:42,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 18:10:42,929 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-03-15 18:10:42,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:10:42,930 INFO L225 Difference]: With dead ends: 290 [2022-03-15 18:10:42,930 INFO L226 Difference]: Without dead ends: 270 [2022-03-15 18:10:42,931 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-15 18:10:42,931 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 27 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 18:10:42,931 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 0 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 18:10:42,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2022-03-15 18:10:42,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 253. [2022-03-15 18:10:42,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 250 states have (on average 1.608) internal successors, (402), 252 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:42,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 402 transitions. [2022-03-15 18:10:42,936 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 402 transitions. Word has length 19 [2022-03-15 18:10:42,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:10:42,936 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 402 transitions. [2022-03-15 18:10:42,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:42,936 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 402 transitions. [2022-03-15 18:10:42,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-03-15 18:10:42,937 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:10:42,937 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:10:42,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-15 18:10:42,937 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)] === [2022-03-15 18:10:42,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:10:42,938 INFO L85 PathProgramCache]: Analyzing trace with hash -536243609, now seen corresponding path program 1 times [2022-03-15 18:10:42,938 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:10:42,938 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184728017] [2022-03-15 18:10:42,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:10:42,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:10:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:10:43,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:10:43,020 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:10:43,020 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184728017] [2022-03-15 18:10:43,020 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184728017] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:10:43,020 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:10:43,020 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 18:10:43,020 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1285459235] [2022-03-15 18:10:43,020 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:10:43,023 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:10:43,025 INFO L252 McrAutomatonBuilder]: Finished intersection with 24 states and 24 transitions. [2022-03-15 18:10:43,025 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:10:43,034 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:10:43,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 18:10:43,035 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:10:43,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 18:10:43,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 18:10:43,036 INFO L87 Difference]: Start difference. First operand 253 states and 402 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:43,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:10:43,083 INFO L93 Difference]: Finished difference Result 252 states and 398 transitions. [2022-03-15 18:10:43,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 18:10:43,083 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-03-15 18:10:43,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:10:43,084 INFO L225 Difference]: With dead ends: 252 [2022-03-15 18:10:43,084 INFO L226 Difference]: Without dead ends: 122 [2022-03-15 18:10:43,084 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 18:10:43,085 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 26 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 18:10:43,085 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 4 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 18:10:43,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-03-15 18:10:43,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2022-03-15 18:10:43,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 120 states have (on average 1.5166666666666666) internal successors, (182), 121 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:43,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 182 transitions. [2022-03-15 18:10:43,089 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 182 transitions. Word has length 22 [2022-03-15 18:10:43,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:10:43,089 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 182 transitions. [2022-03-15 18:10:43,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:43,089 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 182 transitions. [2022-03-15 18:10:43,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-03-15 18:10:43,089 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:10:43,090 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:10:43,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-15 18:10:43,090 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)] === [2022-03-15 18:10:43,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:10:43,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1811292361, now seen corresponding path program 1 times [2022-03-15 18:10:43,091 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:10:43,091 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272726094] [2022-03-15 18:10:43,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:10:43,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:10:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:10:43,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:10:43,133 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:10:43,133 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272726094] [2022-03-15 18:10:43,133 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272726094] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:10:43,133 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:10:43,133 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 18:10:43,133 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2009740112] [2022-03-15 18:10:43,134 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:10:43,137 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:10:43,144 INFO L252 McrAutomatonBuilder]: Finished intersection with 50 states and 73 transitions. [2022-03-15 18:10:43,144 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:10:43,312 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [17212#(not (= (select (select |#pthreadsMutex| |~#__global_lock~0.base|) |~#__global_lock~0.offset|) 0)), 17211#(or (not (= (select (select |#pthreadsMutex| |~#__global_lock~0.base|) |~#__global_lock~0.offset|) 0)) (not (= |~#mutex1~0.base| |~#__global_lock~0.base|)))] [2022-03-15 18:10:43,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 18:10:43,312 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:10:43,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 18:10:43,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-03-15 18:10:43,313 INFO L87 Difference]: Start difference. First operand 122 states and 182 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:43,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:10:43,355 INFO L93 Difference]: Finished difference Result 87 states and 125 transitions. [2022-03-15 18:10:43,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 18:10:43,356 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-03-15 18:10:43,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:10:43,356 INFO L225 Difference]: With dead ends: 87 [2022-03-15 18:10:43,356 INFO L226 Difference]: Without dead ends: 84 [2022-03-15 18:10:43,356 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-03-15 18:10:43,357 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 30 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 18:10:43,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 0 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 18:10:43,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-03-15 18:10:43,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2022-03-15 18:10:43,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 79 states have (on average 1.4683544303797469) internal successors, (116), 79 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) [2022-03-15 18:10:43,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 116 transitions. [2022-03-15 18:10:43,359 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 116 transitions. Word has length 25 [2022-03-15 18:10:43,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:10:43,359 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 116 transitions. [2022-03-15 18:10:43,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:43,359 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 116 transitions. [2022-03-15 18:10:43,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-03-15 18:10:43,359 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:10:43,360 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:10:43,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-15 18:10:43,360 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-03-15 18:10:43,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:10:43,360 INFO L85 PathProgramCache]: Analyzing trace with hash -206327679, now seen corresponding path program 1 times [2022-03-15 18:10:43,361 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:10:43,361 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427110561] [2022-03-15 18:10:43,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:10:43,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:10:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:10:43,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:10:43,423 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:10:43,423 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427110561] [2022-03-15 18:10:43,423 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427110561] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:10:43,423 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:10:43,423 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 18:10:43,423 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [424768436] [2022-03-15 18:10:43,423 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:10:43,426 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:10:43,432 INFO L252 McrAutomatonBuilder]: Finished intersection with 43 states and 58 transitions. [2022-03-15 18:10:43,432 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:10:43,526 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:10:43,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 18:10:43,526 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:10:43,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 18:10:43,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-15 18:10:43,527 INFO L87 Difference]: Start difference. First operand 80 states and 116 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:43,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:10:43,557 INFO L93 Difference]: Finished difference Result 66 states and 98 transitions. [2022-03-15 18:10:43,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 18:10:43,557 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-03-15 18:10:43,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:10:43,557 INFO L225 Difference]: With dead ends: 66 [2022-03-15 18:10:43,557 INFO L226 Difference]: Without dead ends: 0 [2022-03-15 18:10:43,557 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-15 18:10:43,558 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 7 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 18:10:43,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 0 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 18:10:43,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-15 18:10:43,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-15 18:10:43,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:43,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-15 18:10:43,559 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2022-03-15 18:10:43,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:10:43,559 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-15 18:10:43,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:10:43,559 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-15 18:10:43,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-15 18:10:43,561 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-03-15 18:10:43,561 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-03-15 18:10:43,561 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2022-03-15 18:10:43,561 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2022-03-15 18:10:43,561 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 6 remaining) [2022-03-15 18:10:43,561 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 6 remaining) [2022-03-15 18:10:43,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-15 18:10:43,563 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:10:43,564 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 18:10:43,564 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 18:10:43,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 06:10:43 BasicIcfg [2022-03-15 18:10:43,576 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 18:10:43,576 INFO L158 Benchmark]: Toolchain (without parser) took 6693.50ms. Allocated memory was 186.6MB in the beginning and 285.2MB in the end (delta: 98.6MB). Free memory was 127.4MB in the beginning and 146.5MB in the end (delta: -19.0MB). Peak memory consumption was 81.0MB. Max. memory is 8.0GB. [2022-03-15 18:10:43,577 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 186.6MB. Free memory is still 145.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 18:10:43,577 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.72ms. Allocated memory was 186.6MB in the beginning and 237.0MB in the end (delta: 50.3MB). Free memory was 127.2MB in the beginning and 200.2MB in the end (delta: -73.0MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. [2022-03-15 18:10:43,577 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.65ms. Allocated memory is still 237.0MB. Free memory was 199.7MB in the beginning and 197.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 18:10:43,577 INFO L158 Benchmark]: Boogie Preprocessor took 28.62ms. Allocated memory is still 237.0MB. Free memory was 197.6MB in the beginning and 196.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 18:10:43,577 INFO L158 Benchmark]: RCFGBuilder took 441.15ms. Allocated memory is still 237.0MB. Free memory was 196.1MB in the beginning and 179.8MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-03-15 18:10:43,577 INFO L158 Benchmark]: TraceAbstraction took 5829.59ms. Allocated memory was 237.0MB in the beginning and 285.2MB in the end (delta: 48.2MB). Free memory was 179.3MB in the beginning and 146.5MB in the end (delta: 32.8MB). Peak memory consumption was 82.1MB. Max. memory is 8.0GB. [2022-03-15 18:10:43,578 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 186.6MB. Free memory is still 145.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 355.72ms. Allocated memory was 186.6MB in the beginning and 237.0MB in the end (delta: 50.3MB). Free memory was 127.2MB in the beginning and 200.2MB in the end (delta: -73.0MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.65ms. Allocated memory is still 237.0MB. Free memory was 199.7MB in the beginning and 197.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.62ms. Allocated memory is still 237.0MB. Free memory was 197.6MB in the beginning and 196.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 441.15ms. Allocated memory is still 237.0MB. Free memory was 196.1MB in the beginning and 179.8MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 5829.59ms. Allocated memory was 237.0MB in the beginning and 285.2MB in the end (delta: 48.2MB). Free memory was 179.3MB in the beginning and 146.5MB in the end (delta: 32.8MB). Peak memory consumption was 82.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.3s, 162 PlacesBefore, 53 PlacesAfterwards, 159 TransitionsBefore, 48 TransitionsAfterwards, 5364 CoEnabledTransitionPairs, 6 FixpointIterations, 47 TrivialSequentialCompositions, 70 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 14 ConcurrentYvCompositions, 2 ChoiceCompositions, 133 TotalNumberOfCompositions, 14838 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5045, positive: 4633, positive conditional: 0, positive unconditional: 4633, negative: 412, negative conditional: 0, negative unconditional: 412, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2685, positive: 2605, positive conditional: 0, positive unconditional: 2605, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5045, positive: 2028, positive conditional: 0, positive unconditional: 2028, negative: 332, negative conditional: 0, negative unconditional: 332, unknown: 2685, unknown conditional: 0, unknown unconditional: 2685] , Statistics on independence cache: Total cache size (in pairs): 172, Positive cache size: 137, Positive conditional cache size: 0, Positive unconditional cache size: 137, Negative cache size: 35, Negative conditional cache size: 0, Negative unconditional cache size: 35 - 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: 5.7s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 344 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 344 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 272 mSDsCounter, 160 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 856 IncrementalHoareTripleChecker+Invalid, 1016 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 160 mSolverCounterUnsat, 10 mSDtfsCounter, 856 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 87 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1559occurred in iteration=0, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 254 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 924 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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! [2022-03-15 18:10:43,625 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...