/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-BasicCegarLoop.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_01-priv_nr_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-10 01:51:58,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 01:51:58,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 01:51:58,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-10 01:51:58,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 01:51:58,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 01:51:58,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 01:51:58,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 01:51:58,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 01:51:58,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 01:51:58,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 01:51:58,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 01:51:58,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 01:51:58,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 01:51:58,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 01:51:58,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 01:51:58,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-10 01:51:58,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 01:51:58,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 01:51:58,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 01:51:58,308 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-BasicCegarLoop.epf [2022-02-10 01:51:58,331 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 01:51:58,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 01:51:58,332 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 01:51:58,332 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 01:51:58,332 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 01:51:58,333 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 01:51:58,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 01:51:58,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 01:51:58,333 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 01:51:58,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 01:51:58,334 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 01:51:58,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 01:51:58,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 01:51:58,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 01:51:58,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 01:51:58,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 01:51:58,334 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 01:51:58,334 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 01:51:58,334 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 01:51:58,334 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 01:51:58,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 01:51:58,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 01:51:58,335 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 01:51:58,335 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 01:51:58,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 01:51:58,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 01:51:58,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 01:51:58,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 01:51:58,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 01:51:58,336 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 01:51:58,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 01:51:58,336 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 01:51:58,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 01:51:58,337 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-10 01:51:58,337 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 01:51:58,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 01:51:58,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 01:51:58,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 01:51:58,547 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 01:51:58,548 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 01:51:58,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_01-priv_nr_true.i [2022-02-10 01:51:58,594 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04b6d6103/0f39456ef1b241d982fdd6732702b5af/FLAGc2dd837a4 [2022-02-10 01:51:59,028 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 01:51:59,029 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_01-priv_nr_true.i [2022-02-10 01:51:59,045 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04b6d6103/0f39456ef1b241d982fdd6732702b5af/FLAGc2dd837a4 [2022-02-10 01:51:59,058 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04b6d6103/0f39456ef1b241d982fdd6732702b5af [2022-02-10 01:51:59,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 01:51:59,062 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 01:51:59,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 01:51:59,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 01:51:59,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 01:51:59,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 01:51:59" (1/1) ... [2022-02-10 01:51:59,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47f34c21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:51:59, skipping insertion in model container [2022-02-10 01:51:59,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 01:51:59" (1/1) ... [2022-02-10 01:51:59,073 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 01:51:59,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 01:51:59,294 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_01-priv_nr_true.i[1084,1097] [2022-02-10 01:51:59,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 01:51:59,415 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 01:51:59,425 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_01-priv_nr_true.i[1084,1097] [2022-02-10 01:51:59,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 01:51:59,471 INFO L208 MainTranslator]: Completed translation [2022-02-10 01:51:59,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:51:59 WrapperNode [2022-02-10 01:51:59,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 01:51:59,473 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 01:51:59,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 01:51:59,473 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 01:51:59,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:51:59" (1/1) ... [2022-02-10 01:51:59,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:51:59" (1/1) ... [2022-02-10 01:51:59,520 INFO L137 Inliner]: procedures = 162, calls = 24, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 84 [2022-02-10 01:51:59,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 01:51:59,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 01:51:59,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 01:51:59,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 01:51:59,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:51:59" (1/1) ... [2022-02-10 01:51:59,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:51:59" (1/1) ... [2022-02-10 01:51:59,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:51:59" (1/1) ... [2022-02-10 01:51:59,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:51:59" (1/1) ... [2022-02-10 01:51:59,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:51:59" (1/1) ... [2022-02-10 01:51:59,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:51:59" (1/1) ... [2022-02-10 01:51:59,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:51:59" (1/1) ... [2022-02-10 01:51:59,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 01:51:59,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 01:51:59,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 01:51:59,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 01:51:59,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:51:59" (1/1) ... [2022-02-10 01:51:59,567 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 01:51:59,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 01:51:59,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-10 01:51:59,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-10 01:51:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 01:51:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 01:51:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 01:51:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 01:51:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 01:51:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-10 01:51:59,633 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-10 01:51:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 01:51:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 01:51:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 01:51:59,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 01:51:59,634 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 01:51:59,795 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 01:51:59,796 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 01:51:59,942 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 01:51:59,946 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 01:51:59,947 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 01:51:59,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:51:59 BoogieIcfgContainer [2022-02-10 01:51:59,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 01:51:59,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 01:51:59,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 01:51:59,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 01:51:59,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 01:51:59" (1/3) ... [2022-02-10 01:51:59,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42f14eb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 01:51:59, skipping insertion in model container [2022-02-10 01:51:59,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:51:59" (2/3) ... [2022-02-10 01:51:59,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42f14eb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 01:51:59, skipping insertion in model container [2022-02-10 01:51:59,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:51:59" (3/3) ... [2022-02-10 01:51:59,959 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_01-priv_nr_true.i [2022-02-10 01:51:59,962 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 01:51:59,962 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 01:51:59,962 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-10 01:51:59,962 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 01:51:59,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:51:59,997 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-10 01:52:00,027 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 01:52:00,032 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 01:52:00,032 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-10 01:52:00,042 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 105 places, 105 transitions, 218 flow [2022-02-10 01:52:00,102 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 625 states, 619 states have (on average 1.962843295638126) internal successors, (1215), 624 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:01,750 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 38243 transitions and produced 20896 states. [2022-02-10 01:52:01,958 INFO L276 IsEmpty]: Start isEmpty. Operand has 20896 states, 18347 states have (on average 1.2410203302992315) internal successors, (22769), 20895 states have internal predecessors, (22769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:01,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-02-10 01:52:01,964 INFO L506 BasicCegarLoop]: Found error trace [2022-02-10 01:52:01,964 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 01:52:01,965 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 01:52:01,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 01:52:01,972 INFO L85 PathProgramCache]: Analyzing trace with hash -117580950, now seen corresponding path program 1 times [2022-02-10 01:52:01,977 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 01:52:01,978 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242567427] [2022-02-10 01:52:01,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 01:52:01,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 01:52:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 01:52:02,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 01:52:02,330 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 01:52:02,330 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242567427] [2022-02-10 01:52:02,330 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242567427] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 01:52:02,330 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 01:52:02,330 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 01:52:02,332 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510663425] [2022-02-10 01:52:02,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 01:52:02,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 01:52:02,334 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 01:52:02,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 01:52:02,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-10 01:52:02,545 INFO L87 Difference]: Start difference. First operand has 20896 states, 18347 states have (on average 1.2410203302992315) internal successors, (22769), 20895 states have internal predecessors, (22769), 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 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:02,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 01:52:02,726 INFO L93 Difference]: Finished difference Result 4798 states and 4883 transitions. [2022-02-10 01:52:02,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-10 01:52:02,729 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 36 [2022-02-10 01:52:02,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 01:52:02,758 INFO L225 Difference]: With dead ends: 4798 [2022-02-10 01:52:02,759 INFO L226 Difference]: Without dead ends: 3936 [2022-02-10 01:52:02,760 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-10 01:52:02,762 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 177 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 01:52:02,763 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [177 Valid, 249 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 01:52:02,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3936 states. [2022-02-10 01:52:02,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3936 to 561. [2022-02-10 01:52:02,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 518 states have (on average 1.2162162162162162) internal successors, (630), 560 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:02,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 630 transitions. [2022-02-10 01:52:02,849 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 630 transitions. Word has length 36 [2022-02-10 01:52:02,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 01:52:02,850 INFO L470 AbstractCegarLoop]: Abstraction has 561 states and 630 transitions. [2022-02-10 01:52:02,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:02,850 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 630 transitions. [2022-02-10 01:52:02,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-02-10 01:52:02,852 INFO L506 BasicCegarLoop]: Found error trace [2022-02-10 01:52:02,852 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 01:52:02,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 01:52:02,852 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 01:52:02,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 01:52:02,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1221049129, now seen corresponding path program 1 times [2022-02-10 01:52:02,853 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 01:52:02,853 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325309562] [2022-02-10 01:52:02,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 01:52:02,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 01:52:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 01:52:02,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 01:52:02,966 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 01:52:02,966 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325309562] [2022-02-10 01:52:02,966 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325309562] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 01:52:02,966 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 01:52:02,966 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-10 01:52:02,966 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771207493] [2022-02-10 01:52:02,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 01:52:02,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 01:52:02,968 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 01:52:02,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 01:52:02,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-10 01:52:02,970 INFO L87 Difference]: Start difference. First operand 561 states and 630 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:03,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 01:52:03,098 INFO L93 Difference]: Finished difference Result 795 states and 885 transitions. [2022-02-10 01:52:03,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 01:52:03,098 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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 51 [2022-02-10 01:52:03,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 01:52:03,101 INFO L225 Difference]: With dead ends: 795 [2022-02-10 01:52:03,101 INFO L226 Difference]: Without dead ends: 795 [2022-02-10 01:52:03,103 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-02-10 01:52:03,104 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 149 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 01:52:03,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 478 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 01:52:03,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2022-02-10 01:52:03,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 622. [2022-02-10 01:52:03,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 585 states have (on average 1.2017094017094017) internal successors, (703), 621 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:03,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 703 transitions. [2022-02-10 01:52:03,130 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 703 transitions. Word has length 51 [2022-02-10 01:52:03,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 01:52:03,131 INFO L470 AbstractCegarLoop]: Abstraction has 622 states and 703 transitions. [2022-02-10 01:52:03,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:03,132 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 703 transitions. [2022-02-10 01:52:03,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-02-10 01:52:03,138 INFO L506 BasicCegarLoop]: Found error trace [2022-02-10 01:52:03,138 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 01:52:03,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 01:52:03,141 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 01:52:03,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 01:52:03,141 INFO L85 PathProgramCache]: Analyzing trace with hash 886861433, now seen corresponding path program 1 times [2022-02-10 01:52:03,142 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 01:52:03,142 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459585456] [2022-02-10 01:52:03,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 01:52:03,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 01:52:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 01:52:03,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 01:52:03,241 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 01:52:03,241 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459585456] [2022-02-10 01:52:03,241 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459585456] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 01:52:03,241 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 01:52:03,242 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-10 01:52:03,242 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436939345] [2022-02-10 01:52:03,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 01:52:03,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-10 01:52:03,242 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 01:52:03,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-10 01:52:03,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-10 01:52:03,243 INFO L87 Difference]: Start difference. First operand 622 states and 703 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:03,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 01:52:03,360 INFO L93 Difference]: Finished difference Result 743 states and 826 transitions. [2022-02-10 01:52:03,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 01:52:03,361 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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 53 [2022-02-10 01:52:03,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 01:52:03,363 INFO L225 Difference]: With dead ends: 743 [2022-02-10 01:52:03,363 INFO L226 Difference]: Without dead ends: 734 [2022-02-10 01:52:03,363 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2022-02-10 01:52:03,364 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 336 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 01:52:03,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [336 Valid, 466 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 01:52:03,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2022-02-10 01:52:03,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 599. [2022-02-10 01:52:03,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 564 states have (on average 1.2163120567375887) internal successors, (686), 598 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:03,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 686 transitions. [2022-02-10 01:52:03,373 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 686 transitions. Word has length 53 [2022-02-10 01:52:03,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 01:52:03,373 INFO L470 AbstractCegarLoop]: Abstraction has 599 states and 686 transitions. [2022-02-10 01:52:03,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:03,374 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 686 transitions. [2022-02-10 01:52:03,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-02-10 01:52:03,375 INFO L506 BasicCegarLoop]: Found error trace [2022-02-10 01:52:03,375 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 01:52:03,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 01:52:03,375 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 01:52:03,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 01:52:03,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1939586911, now seen corresponding path program 1 times [2022-02-10 01:52:03,376 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 01:52:03,376 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51689711] [2022-02-10 01:52:03,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 01:52:03,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 01:52:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 01:52:03,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 01:52:03,415 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 01:52:03,415 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51689711] [2022-02-10 01:52:03,415 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51689711] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 01:52:03,415 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 01:52:03,415 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 01:52:03,415 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616742411] [2022-02-10 01:52:03,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 01:52:03,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 01:52:03,416 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 01:52:03,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 01:52:03,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 01:52:03,416 INFO L87 Difference]: Start difference. First operand 599 states and 686 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:03,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 01:52:03,427 INFO L93 Difference]: Finished difference Result 198 states and 197 transitions. [2022-02-10 01:52:03,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 01:52:03,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 57 [2022-02-10 01:52:03,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 01:52:03,428 INFO L225 Difference]: With dead ends: 198 [2022-02-10 01:52:03,428 INFO L226 Difference]: Without dead ends: 170 [2022-02-10 01:52:03,429 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 01:52:03,429 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 39 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 01:52:03,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 123 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 01:52:03,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2022-02-10 01:52:03,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2022-02-10 01:52:03,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 162 states have (on average 1.0432098765432098) internal successors, (169), 169 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:03,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 169 transitions. [2022-02-10 01:52:03,433 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 169 transitions. Word has length 57 [2022-02-10 01:52:03,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 01:52:03,433 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 169 transitions. [2022-02-10 01:52:03,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:03,433 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 169 transitions. [2022-02-10 01:52:03,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-02-10 01:52:03,434 INFO L506 BasicCegarLoop]: Found error trace [2022-02-10 01:52:03,434 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 01:52:03,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 01:52:03,434 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 01:52:03,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 01:52:03,435 INFO L85 PathProgramCache]: Analyzing trace with hash -33373823, now seen corresponding path program 1 times [2022-02-10 01:52:03,435 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 01:52:03,435 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147435006] [2022-02-10 01:52:03,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 01:52:03,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 01:52:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 01:52:03,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 01:52:03,479 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 01:52:03,479 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147435006] [2022-02-10 01:52:03,479 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147435006] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 01:52:03,479 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 01:52:03,479 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 01:52:03,479 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250927400] [2022-02-10 01:52:03,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 01:52:03,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 01:52:03,480 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 01:52:03,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 01:52:03,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-10 01:52:03,480 INFO L87 Difference]: Start difference. First operand 170 states and 169 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:03,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 01:52:03,516 INFO L93 Difference]: Finished difference Result 160 states and 159 transitions. [2022-02-10 01:52:03,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-10 01:52:03,517 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 58 [2022-02-10 01:52:03,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 01:52:03,517 INFO L225 Difference]: With dead ends: 160 [2022-02-10 01:52:03,518 INFO L226 Difference]: Without dead ends: 114 [2022-02-10 01:52:03,518 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-02-10 01:52:03,519 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 44 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 01:52:03,519 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 297 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 01:52:03,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2022-02-10 01:52:03,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2022-02-10 01:52:03,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 111 states have (on average 1.018018018018018) internal successors, (113), 113 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:03,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 113 transitions. [2022-02-10 01:52:03,521 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 113 transitions. Word has length 58 [2022-02-10 01:52:03,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 01:52:03,522 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 113 transitions. [2022-02-10 01:52:03,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:03,522 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 113 transitions. [2022-02-10 01:52:03,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-02-10 01:52:03,522 INFO L506 BasicCegarLoop]: Found error trace [2022-02-10 01:52:03,522 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 01:52:03,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-10 01:52:03,523 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 01:52:03,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 01:52:03,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1859041644, now seen corresponding path program 1 times [2022-02-10 01:52:03,523 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 01:52:03,523 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832380839] [2022-02-10 01:52:03,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 01:52:03,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 01:52:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 01:52:03,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 01:52:03,655 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 01:52:03,655 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832380839] [2022-02-10 01:52:03,655 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832380839] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 01:52:03,655 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 01:52:03,655 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 01:52:03,655 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011474868] [2022-02-10 01:52:03,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 01:52:03,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-10 01:52:03,655 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 01:52:03,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-10 01:52:03,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-02-10 01:52:03,656 INFO L87 Difference]: Start difference. First operand 114 states and 113 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:03,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 01:52:03,832 INFO L93 Difference]: Finished difference Result 110 states and 109 transitions. [2022-02-10 01:52:03,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-10 01:52:03,832 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 68 [2022-02-10 01:52:03,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 01:52:03,833 INFO L225 Difference]: With dead ends: 110 [2022-02-10 01:52:03,833 INFO L226 Difference]: Without dead ends: 76 [2022-02-10 01:52:03,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=368, Unknown=0, NotChecked=0, Total=462 [2022-02-10 01:52:03,835 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 66 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 01:52:03,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 490 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 01:52:03,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-02-10 01:52:03,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-02-10 01:52:03,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 75 states have (on average 1.0) internal successors, (75), 75 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:03,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 75 transitions. [2022-02-10 01:52:03,837 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 75 transitions. Word has length 68 [2022-02-10 01:52:03,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 01:52:03,838 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 75 transitions. [2022-02-10 01:52:03,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:03,838 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 75 transitions. [2022-02-10 01:52:03,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-02-10 01:52:03,838 INFO L506 BasicCegarLoop]: Found error trace [2022-02-10 01:52:03,838 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 01:52:03,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-10 01:52:03,838 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 01:52:03,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 01:52:03,839 INFO L85 PathProgramCache]: Analyzing trace with hash 910615147, now seen corresponding path program 1 times [2022-02-10 01:52:03,839 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 01:52:03,839 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956843844] [2022-02-10 01:52:03,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 01:52:03,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 01:52:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 01:52:03,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 01:52:03,966 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 01:52:03,966 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956843844] [2022-02-10 01:52:03,966 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956843844] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 01:52:03,966 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 01:52:03,966 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 01:52:03,966 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519409228] [2022-02-10 01:52:03,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 01:52:03,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 01:52:03,966 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 01:52:03,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 01:52:03,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-02-10 01:52:03,967 INFO L87 Difference]: Start difference. First operand 76 states and 75 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:04,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 01:52:04,062 INFO L93 Difference]: Finished difference Result 72 states and 71 transitions. [2022-02-10 01:52:04,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 01:52:04,063 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 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 73 [2022-02-10 01:52:04,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 01:52:04,063 INFO L225 Difference]: With dead ends: 72 [2022-02-10 01:52:04,063 INFO L226 Difference]: Without dead ends: 0 [2022-02-10 01:52:04,063 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2022-02-10 01:52:04,066 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 88 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 01:52:04,066 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 292 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 01:52:04,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-10 01:52:04,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-10 01:52:04,067 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) [2022-02-10 01:52:04,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-10 01:52:04,067 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2022-02-10 01:52:04,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 01:52:04,067 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-10 01:52:04,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:04,067 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-10 01:52:04,067 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-10 01:52:04,069 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2022-02-10 01:52:04,070 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2022-02-10 01:52:04,070 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-02-10 01:52:04,070 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2022-02-10 01:52:04,070 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 7 remaining) [2022-02-10 01:52:04,070 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2022-02-10 01:52:04,070 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-02-10 01:52:04,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-10 01:52:04,072 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-02-10 01:52:04,077 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 01:52:04,077 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 01:52:04,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 01:52:04 BasicIcfg [2022-02-10 01:52:04,080 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 01:52:04,081 INFO L158 Benchmark]: Toolchain (without parser) took 5018.56ms. Allocated memory was 187.7MB in the beginning and 492.8MB in the end (delta: 305.1MB). Free memory was 136.0MB in the beginning and 313.8MB in the end (delta: -177.8MB). Peak memory consumption was 128.4MB. Max. memory is 8.0GB. [2022-02-10 01:52:04,082 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 187.7MB. Free memory was 154.5MB in the beginning and 154.4MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 01:52:04,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.35ms. Allocated memory is still 187.7MB. Free memory was 135.8MB in the beginning and 155.3MB in the end (delta: -19.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-10 01:52:04,082 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.42ms. Allocated memory is still 187.7MB. Free memory was 155.3MB in the beginning and 153.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 01:52:04,082 INFO L158 Benchmark]: Boogie Preprocessor took 24.91ms. Allocated memory is still 187.7MB. Free memory was 153.2MB in the beginning and 151.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 01:52:04,082 INFO L158 Benchmark]: RCFGBuilder took 401.01ms. Allocated memory is still 187.7MB. Free memory was 151.6MB in the beginning and 139.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-10 01:52:04,083 INFO L158 Benchmark]: TraceAbstraction took 4131.26ms. Allocated memory was 187.7MB in the beginning and 492.8MB in the end (delta: 305.1MB). Free memory was 138.5MB in the beginning and 313.8MB in the end (delta: -175.3MB). Peak memory consumption was 130.8MB. Max. memory is 8.0GB. [2022-02-10 01:52:04,084 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 187.7MB. Free memory was 154.5MB in the beginning and 154.4MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 408.35ms. Allocated memory is still 187.7MB. Free memory was 135.8MB in the beginning and 155.3MB in the end (delta: -19.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.42ms. Allocated memory is still 187.7MB. Free memory was 155.3MB in the beginning and 153.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.91ms. Allocated memory is still 187.7MB. Free memory was 153.2MB in the beginning and 151.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 401.01ms. Allocated memory is still 187.7MB. Free memory was 151.6MB in the beginning and 139.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 4131.26ms. Allocated memory was 187.7MB in the beginning and 492.8MB in the end (delta: 305.1MB). Free memory was 138.5MB in the beginning and 313.8MB in the end (delta: -175.3MB). Peak memory consumption was 130.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 132 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, PartialOrderReductionTime: 1.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 899 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 899 mSDsluCounter, 2395 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1782 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 342 IncrementalHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 622 mSDtfsCounter, 342 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 88 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20896occurred in iteration=0, InterpolantAutomatonStates: 71, 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, 7 MinimizatonAttempts, 3683 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 396 NumberOfCodeBlocks, 396 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 389 ConstructedInterpolants, 0 QuantifiedInterpolants, 1635 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-10 01:52:04,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...