/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 18:22:05,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 18:22:06,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 18:22:06,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 18:22:06,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 18:22:06,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 18:22:06,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 18:22:06,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 18:22:06,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 18:22:06,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 18:22:06,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 18:22:06,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 18:22:06,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 18:22:06,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 18:22:06,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 18:22:06,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 18:22:06,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 18:22:06,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 18:22:06,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 18:22:06,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 18:22:06,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 18:22:06,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 18:22:06,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 18:22:06,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 18:22:06,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 18:22:06,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 18:22:06,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 18:22:06,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 18:22:06,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 18:22:06,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-15 18:22:06,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-15 18:22:06,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-15 18:22:06,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-15 18:22:06,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-15 18:22:06,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-15 18:22:06,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-15 18:22:06,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-15 18:22:06,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-15 18:22:06,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 18:22:06,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 18:22:06,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 18:22:06,094 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2022-03-15 18:22:06,124 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 18:22:06,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 18:22:06,125 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 18:22:06,126 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 18:22:06,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 18:22:06,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 18:22:06,126 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 18:22:06,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 18:22:06,126 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 18:22:06,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 18:22:06,127 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 18:22:06,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 18:22:06,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 18:22:06,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 18:22:06,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 18:22:06,128 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 18:22:06,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 18:22:06,128 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 18:22:06,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 18:22:06,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 18:22:06,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 18:22:06,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 18:22:06,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 18:22:06,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 18:22:06,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 18:22:06,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 18:22:06,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 18:22:06,130 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 18:22:06,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 18:22:06,130 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 18:22:06,130 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 18:22:06,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 18:22:06,130 INFO L138 SettingsManager]: * Interpolant automaton=MCR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 18:22:06,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 18:22:06,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 18:22:06,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 18:22:06,362 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 18:22:06,371 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 18:22:06,373 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2022-03-15 18:22:06,407 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c93cf83d/5b2f089c8b7e40b3b899384221453466/FLAG560a57c8c [2022-03-15 18:22:06,880 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 18:22:06,881 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2022-03-15 18:22:06,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c93cf83d/5b2f089c8b7e40b3b899384221453466/FLAG560a57c8c [2022-03-15 18:22:06,910 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c93cf83d/5b2f089c8b7e40b3b899384221453466 [2022-03-15 18:22:06,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 18:22:06,914 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 18:22:06,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 18:22:06,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 18:22:06,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 18:22:06,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 06:22:06" (1/1) ... [2022-03-15 18:22:06,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7701568a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:22:06, skipping insertion in model container [2022-03-15 18:22:06,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 06:22:06" (1/1) ... [2022-03-15 18:22:06,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 18:22:06,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 18:22:07,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i[1120,1133] [2022-03-15 18:22:07,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 18:22:07,235 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 18:22:07,245 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i[1120,1133] [2022-03-15 18:22:07,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 18:22:07,318 INFO L208 MainTranslator]: Completed translation [2022-03-15 18:22:07,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:22:07 WrapperNode [2022-03-15 18:22:07,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 18:22:07,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 18:22:07,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 18:22:07,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 18:22:07,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:22:07" (1/1) ... [2022-03-15 18:22:07,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:22:07" (1/1) ... [2022-03-15 18:22:07,368 INFO L137 Inliner]: procedures = 165, calls = 42, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 139 [2022-03-15 18:22:07,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 18:22:07,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 18:22:07,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 18:22:07,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 18:22:07,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:22:07" (1/1) ... [2022-03-15 18:22:07,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:22:07" (1/1) ... [2022-03-15 18:22:07,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:22:07" (1/1) ... [2022-03-15 18:22:07,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:22:07" (1/1) ... [2022-03-15 18:22:07,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:22:07" (1/1) ... [2022-03-15 18:22:07,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:22:07" (1/1) ... [2022-03-15 18:22:07,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:22:07" (1/1) ... [2022-03-15 18:22:07,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 18:22:07,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 18:22:07,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 18:22:07,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 18:22:07,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:22:07" (1/1) ... [2022-03-15 18:22:07,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 18:22:07,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 18:22:07,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-15 18:22:07,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-15 18:22:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 18:22:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-15 18:22:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 18:22:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 18:22:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-15 18:22:07,477 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-15 18:22:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 18:22:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 18:22:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 18:22:07,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 18:22:07,480 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 18:22:07,611 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 18:22:07,612 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 18:22:07,896 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 18:22:07,906 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 18:22:07,906 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-15 18:22:07,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 06:22:07 BoogieIcfgContainer [2022-03-15 18:22:07,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 18:22:07,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 18:22:07,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 18:22:07,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 18:22:07,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 06:22:06" (1/3) ... [2022-03-15 18:22:07,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e082d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 06:22:07, skipping insertion in model container [2022-03-15 18:22:07,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:22:07" (2/3) ... [2022-03-15 18:22:07,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e082d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 06:22:07, skipping insertion in model container [2022-03-15 18:22:07,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 06:22:07" (3/3) ... [2022-03-15 18:22:07,916 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2022-03-15 18:22:07,919 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 18:22:07,920 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 18:22:07,920 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-03-15 18:22:07,920 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 18:22:07,971 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,971 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,973 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,974 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,974 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,974 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,976 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,977 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,977 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,978 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,978 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,978 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,978 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,978 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,979 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~z~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~z~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:07,996 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,002 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,002 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,002 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,002 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,002 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,002 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,003 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,003 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,003 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,004 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,004 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,004 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,004 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,004 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,004 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,004 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,004 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,004 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,005 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,005 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,005 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,005 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,005 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,006 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,006 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,007 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,007 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,007 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,007 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,007 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,007 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,007 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,007 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,007 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,007 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,008 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,008 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,008 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,009 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,009 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,009 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,010 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,010 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,010 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,010 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,010 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,010 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,011 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,011 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,011 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,011 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,011 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~z~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,011 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~z~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,011 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~z~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,011 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,012 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,012 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~z~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,012 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,013 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,013 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,013 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,013 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,014 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,014 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,014 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,014 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,014 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,014 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,014 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~z~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:22:08,024 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 18:22:08,058 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 18:22:08,062 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 18:22:08,062 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-15 18:22:08,081 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 18:22:08,110 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 178 places, 183 transitions, 371 flow [2022-03-15 18:22:08,112 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 178 places, 183 transitions, 371 flow [2022-03-15 18:22:08,113 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 178 places, 183 transitions, 371 flow [2022-03-15 18:22:08,184 INFO L129 PetriNetUnfolder]: 8/186 cut-off events. [2022-03-15 18:22:08,185 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-03-15 18:22:08,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 190 conditions, 186 events. 8/186 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 163 event pairs, 0 based on Foata normal form. 0/174 useless extension candidates. Maximal degree in co-relation 136. Up to 2 conditions per place. [2022-03-15 18:22:08,197 INFO L116 LiptonReduction]: Number of co-enabled transitions 8736 [2022-03-15 18:22:13,556 INFO L131 LiptonReduction]: Checked pairs total: 15061 [2022-03-15 18:22:13,556 INFO L133 LiptonReduction]: Total number of compositions: 198 [2022-03-15 18:22:13,562 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34 places, 33 transitions, 71 flow [2022-03-15 18:22:13,580 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 184 states, 180 states have (on average 1.961111111111111) internal successors, (353), 183 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:13,583 INFO L276 IsEmpty]: Start isEmpty. Operand has 184 states, 180 states have (on average 1.961111111111111) internal successors, (353), 183 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:13,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-03-15 18:22:13,586 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:22:13,586 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-03-15 18:22:13,587 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-03-15 18:22:13,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:22:13,590 INFO L85 PathProgramCache]: Analyzing trace with hash -386911869, now seen corresponding path program 1 times [2022-03-15 18:22:13,602 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:22:13,603 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629453691] [2022-03-15 18:22:13,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:22:13,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:22:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:22:13,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:22:13,790 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:22:13,790 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629453691] [2022-03-15 18:22:13,791 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629453691] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:22:13,791 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:22:13,791 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 18:22:13,793 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1321615464] [2022-03-15 18:22:13,793 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:22:13,795 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:22:13,802 INFO L252 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2022-03-15 18:22:13,802 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:22:13,824 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:22:13,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 18:22:13,825 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:22:13,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 18:22:13,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 18:22:13,852 INFO L87 Difference]: Start difference. First operand has 184 states, 180 states have (on average 1.961111111111111) internal successors, (353), 183 states have internal predecessors, (353), 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 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:13,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:22:13,925 INFO L93 Difference]: Finished difference Result 184 states and 338 transitions. [2022-03-15 18:22:13,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 18:22:13,927 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2022-03-15 18:22:13,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:22:13,933 INFO L225 Difference]: With dead ends: 184 [2022-03-15 18:22:13,933 INFO L226 Difference]: Without dead ends: 159 [2022-03-15 18:22:13,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-15 18:22:13,936 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 29 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 18:22:13,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 13 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 18:22:13,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-03-15 18:22:13,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 153. [2022-03-15 18:22:13,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 150 states have (on average 1.86) internal successors, (279), 152 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:13,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 279 transitions. [2022-03-15 18:22:13,967 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 279 transitions. Word has length 6 [2022-03-15 18:22:13,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:22:13,968 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 279 transitions. [2022-03-15 18:22:13,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:13,968 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 279 transitions. [2022-03-15 18:22:13,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-03-15 18:22:13,968 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:22:13,968 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:22:13,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 18:22:13,969 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-03-15 18:22:13,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:22:13,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1839827987, now seen corresponding path program 1 times [2022-03-15 18:22:13,970 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:22:13,970 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443152241] [2022-03-15 18:22:13,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:22:13,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:22:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:22:14,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:22:14,068 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:22:14,068 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443152241] [2022-03-15 18:22:14,068 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443152241] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:22:14,069 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:22:14,069 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 18:22:14,069 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [43782880] [2022-03-15 18:22:14,069 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:22:14,069 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:22:14,070 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2022-03-15 18:22:14,070 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:22:14,071 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:22:14,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 18:22:14,072 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:22:14,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 18:22:14,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-15 18:22:14,072 INFO L87 Difference]: Start difference. First operand 153 states and 279 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:14,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:22:14,154 INFO L93 Difference]: Finished difference Result 199 states and 356 transitions. [2022-03-15 18:22:14,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 18:22:14,155 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2022-03-15 18:22:14,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:22:14,156 INFO L225 Difference]: With dead ends: 199 [2022-03-15 18:22:14,156 INFO L226 Difference]: Without dead ends: 199 [2022-03-15 18:22:14,156 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-03-15 18:22:14,157 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 45 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 18:22:14,157 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 28 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 18:22:14,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2022-03-15 18:22:14,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 169. [2022-03-15 18:22:14,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 166 states have (on average 1.8614457831325302) internal successors, (309), 168 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:14,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 309 transitions. [2022-03-15 18:22:14,166 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 309 transitions. Word has length 8 [2022-03-15 18:22:14,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:22:14,166 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 309 transitions. [2022-03-15 18:22:14,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:14,166 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 309 transitions. [2022-03-15 18:22:14,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-03-15 18:22:14,167 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:22:14,167 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:22:14,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 18:22:14,167 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-03-15 18:22:14,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:22:14,168 INFO L85 PathProgramCache]: Analyzing trace with hash 479558373, now seen corresponding path program 1 times [2022-03-15 18:22:14,168 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:22:14,168 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066593685] [2022-03-15 18:22:14,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:22:14,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:22:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:22:14,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:22:14,205 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:22:14,205 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066593685] [2022-03-15 18:22:14,205 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066593685] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:22:14,205 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:22:14,206 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 18:22:14,206 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2091846472] [2022-03-15 18:22:14,206 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:22:14,206 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:22:14,207 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 14 transitions. [2022-03-15 18:22:14,207 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:22:14,228 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [1596#(not (= (select (select |#pthreadsMutex| |~#A~0.base|) |~#A~0.offset|) 0))] [2022-03-15 18:22:14,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 18:22:14,228 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:22:14,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 18:22:14,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 18:22:14,229 INFO L87 Difference]: Start difference. First operand 169 states and 309 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:14,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:22:14,270 INFO L93 Difference]: Finished difference Result 140 states and 231 transitions. [2022-03-15 18:22:14,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 18:22:14,271 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-03-15 18:22:14,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:22:14,272 INFO L225 Difference]: With dead ends: 140 [2022-03-15 18:22:14,272 INFO L226 Difference]: Without dead ends: 140 [2022-03-15 18:22:14,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 18:22:14,273 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 11 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 18:22:14,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 7 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 18:22:14,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-03-15 18:22:14,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 116. [2022-03-15 18:22:14,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 111 states have (on average 1.7027027027027026) internal successors, (189), 115 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:14,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 189 transitions. [2022-03-15 18:22:14,277 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 189 transitions. Word has length 10 [2022-03-15 18:22:14,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:22:14,278 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 189 transitions. [2022-03-15 18:22:14,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:14,278 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 189 transitions. [2022-03-15 18:22:14,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-03-15 18:22:14,278 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:22:14,278 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:22:14,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 18:22:14,278 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-03-15 18:22:14,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:22:14,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1451767238, now seen corresponding path program 1 times [2022-03-15 18:22:14,280 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:22:14,280 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820468060] [2022-03-15 18:22:14,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:22:14,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:22:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:22:14,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:22:14,336 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:22:14,336 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820468060] [2022-03-15 18:22:14,336 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820468060] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:22:14,336 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:22:14,336 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 18:22:14,336 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [375556421] [2022-03-15 18:22:14,337 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:22:14,337 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:22:14,338 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2022-03-15 18:22:14,338 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:22:14,338 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:22:14,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 18:22:14,339 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:22:14,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 18:22:14,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-15 18:22:14,339 INFO L87 Difference]: Start difference. First operand 116 states and 189 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:14,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:22:14,435 INFO L93 Difference]: Finished difference Result 148 states and 230 transitions. [2022-03-15 18:22:14,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 18:22:14,436 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-03-15 18:22:14,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:22:14,436 INFO L225 Difference]: With dead ends: 148 [2022-03-15 18:22:14,436 INFO L226 Difference]: Without dead ends: 144 [2022-03-15 18:22:14,437 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-03-15 18:22:14,437 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 39 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 18:22:14,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 43 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 18:22:14,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2022-03-15 18:22:14,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 128. [2022-03-15 18:22:14,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 123 states have (on average 1.6504065040650406) internal successors, (203), 127 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:14,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 203 transitions. [2022-03-15 18:22:14,442 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 203 transitions. Word has length 10 [2022-03-15 18:22:14,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:22:14,443 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 203 transitions. [2022-03-15 18:22:14,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:14,443 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 203 transitions. [2022-03-15 18:22:14,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-15 18:22:14,443 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:22:14,443 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:22:14,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 18:22:14,444 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-03-15 18:22:14,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:22:14,444 INFO L85 PathProgramCache]: Analyzing trace with hash 84781576, now seen corresponding path program 1 times [2022-03-15 18:22:14,445 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:22:14,445 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232976272] [2022-03-15 18:22:14,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:22:14,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:22:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:22:14,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:22:14,488 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:22:14,488 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232976272] [2022-03-15 18:22:14,489 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232976272] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:22:14,489 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:22:14,489 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 18:22:14,489 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [903072349] [2022-03-15 18:22:14,489 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:22:14,490 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:22:14,491 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2022-03-15 18:22:14,491 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:22:14,491 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:22:14,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 18:22:14,491 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:22:14,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 18:22:14,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-15 18:22:14,492 INFO L87 Difference]: Start difference. First operand 128 states and 203 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:14,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:22:14,557 INFO L93 Difference]: Finished difference Result 131 states and 208 transitions. [2022-03-15 18:22:14,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 18:22:14,558 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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 12 [2022-03-15 18:22:14,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:22:14,559 INFO L225 Difference]: With dead ends: 131 [2022-03-15 18:22:14,559 INFO L226 Difference]: Without dead ends: 131 [2022-03-15 18:22:14,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-03-15 18:22:14,559 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 41 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 18:22:14,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 18 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 18:22:14,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2022-03-15 18:22:14,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 127. [2022-03-15 18:22:14,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 123 states have (on average 1.6422764227642277) internal successors, (202), 126 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:14,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 202 transitions. [2022-03-15 18:22:14,563 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 202 transitions. Word has length 12 [2022-03-15 18:22:14,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:22:14,564 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 202 transitions. [2022-03-15 18:22:14,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:14,564 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 202 transitions. [2022-03-15 18:22:14,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-03-15 18:22:14,564 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:22:14,564 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:22:14,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 18:22:14,565 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-03-15 18:22:14,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:22:14,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1034219973, now seen corresponding path program 1 times [2022-03-15 18:22:14,566 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:22:14,566 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006466157] [2022-03-15 18:22:14,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:22:14,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:22:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:22:14,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:22:14,604 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:22:14,604 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006466157] [2022-03-15 18:22:14,604 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006466157] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:22:14,604 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:22:14,604 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 18:22:14,605 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [974012433] [2022-03-15 18:22:14,605 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:22:14,605 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:22:14,607 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 16 transitions. [2022-03-15 18:22:14,607 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:22:14,623 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:22:14,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 18:22:14,623 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:22:14,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 18:22:14,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 18:22:14,624 INFO L87 Difference]: Start difference. First operand 127 states and 202 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:14,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:22:14,692 INFO L93 Difference]: Finished difference Result 134 states and 206 transitions. [2022-03-15 18:22:14,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 18:22:14,693 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2022-03-15 18:22:14,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:22:14,693 INFO L225 Difference]: With dead ends: 134 [2022-03-15 18:22:14,693 INFO L226 Difference]: Without dead ends: 134 [2022-03-15 18:22:14,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-03-15 18:22:14,694 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 28 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 18:22:14,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 32 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 18:22:14,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-03-15 18:22:14,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 121. [2022-03-15 18:22:14,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 117 states have (on average 1.6495726495726495) internal successors, (193), 120 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:14,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 193 transitions. [2022-03-15 18:22:14,698 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 193 transitions. Word has length 13 [2022-03-15 18:22:14,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:22:14,698 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 193 transitions. [2022-03-15 18:22:14,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:14,698 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 193 transitions. [2022-03-15 18:22:14,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-03-15 18:22:14,699 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:22:14,699 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:22:14,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 18:22:14,699 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-03-15 18:22:14,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:22:14,700 INFO L85 PathProgramCache]: Analyzing trace with hash -129304744, now seen corresponding path program 1 times [2022-03-15 18:22:14,700 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:22:14,700 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159533252] [2022-03-15 18:22:14,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:22:14,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:22:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:22:14,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:22:14,755 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:22:14,755 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159533252] [2022-03-15 18:22:14,755 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159533252] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:22:14,755 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:22:14,755 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 18:22:14,755 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2087482871] [2022-03-15 18:22:14,755 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:22:14,756 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:22:14,757 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2022-03-15 18:22:14,757 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:22:14,757 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:22:14,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 18:22:14,758 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:22:14,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 18:22:14,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-15 18:22:14,758 INFO L87 Difference]: Start difference. First operand 121 states and 193 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:14,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:22:14,799 INFO L93 Difference]: Finished difference Result 106 states and 164 transitions. [2022-03-15 18:22:14,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 18:22:14,799 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-03-15 18:22:14,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:22:14,800 INFO L225 Difference]: With dead ends: 106 [2022-03-15 18:22:14,800 INFO L226 Difference]: Without dead ends: 100 [2022-03-15 18:22:14,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-15 18:22:14,800 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 34 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 18:22:14,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 4 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 18:22:14,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-03-15 18:22:14,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 98. [2022-03-15 18:22:14,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 95 states have (on average 1.6105263157894736) internal successors, (153), 97 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:14,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 153 transitions. [2022-03-15 18:22:14,803 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 153 transitions. Word has length 14 [2022-03-15 18:22:14,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:22:14,803 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 153 transitions. [2022-03-15 18:22:14,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:14,803 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 153 transitions. [2022-03-15 18:22:14,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-03-15 18:22:14,804 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:22:14,804 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:22:14,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-15 18:22:14,804 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-03-15 18:22:14,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:22:14,805 INFO L85 PathProgramCache]: Analyzing trace with hash -50928548, now seen corresponding path program 1 times [2022-03-15 18:22:14,805 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:22:14,805 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135878180] [2022-03-15 18:22:14,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:22:14,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:22:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:22:14,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:22:14,863 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:22:14,863 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135878180] [2022-03-15 18:22:14,863 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135878180] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:22:14,863 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:22:14,863 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 18:22:14,863 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1288666635] [2022-03-15 18:22:14,863 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:22:14,864 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:22:14,866 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2022-03-15 18:22:14,866 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:22:14,866 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:22:14,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 18:22:14,866 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:22:14,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 18:22:14,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-15 18:22:14,867 INFO L87 Difference]: Start difference. First operand 98 states and 153 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:14,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:22:14,932 INFO L93 Difference]: Finished difference Result 97 states and 148 transitions. [2022-03-15 18:22:14,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 18:22:14,932 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-03-15 18:22:14,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:22:14,933 INFO L225 Difference]: With dead ends: 97 [2022-03-15 18:22:14,933 INFO L226 Difference]: Without dead ends: 97 [2022-03-15 18:22:14,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-15 18:22:14,933 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 70 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 18:22:14,934 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 13 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 18:22:14,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-03-15 18:22:14,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 93. [2022-03-15 18:22:14,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 91 states have (on average 1.5824175824175823) internal successors, (144), 92 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:14,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 144 transitions. [2022-03-15 18:22:14,936 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 144 transitions. Word has length 15 [2022-03-15 18:22:14,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:22:14,936 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 144 transitions. [2022-03-15 18:22:14,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:14,936 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 144 transitions. [2022-03-15 18:22:14,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-03-15 18:22:14,937 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:22:14,937 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:22:14,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-15 18:22:14,937 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-03-15 18:22:14,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:22:14,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1054661901, now seen corresponding path program 1 times [2022-03-15 18:22:14,940 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:22:14,940 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125407020] [2022-03-15 18:22:14,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:22:14,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:22:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:22:14,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:22:14,999 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:22:14,999 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125407020] [2022-03-15 18:22:14,999 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125407020] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:22:15,000 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:22:15,000 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-15 18:22:15,000 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1174406070] [2022-03-15 18:22:15,000 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:22:15,001 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:22:15,003 INFO L252 McrAutomatonBuilder]: Finished intersection with 19 states and 18 transitions. [2022-03-15 18:22:15,003 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:22:15,003 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:22:15,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 18:22:15,004 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:22:15,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 18:22:15,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-15 18:22:15,004 INFO L87 Difference]: Start difference. First operand 93 states and 144 transitions. Second operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:15,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:22:15,127 INFO L93 Difference]: Finished difference Result 93 states and 141 transitions. [2022-03-15 18:22:15,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 18:22:15,128 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.0) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-03-15 18:22:15,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:22:15,128 INFO L225 Difference]: With dead ends: 93 [2022-03-15 18:22:15,128 INFO L226 Difference]: Without dead ends: 93 [2022-03-15 18:22:15,128 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2022-03-15 18:22:15,129 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 87 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 18:22:15,129 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 26 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 18:22:15,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-03-15 18:22:15,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 89. [2022-03-15 18:22:15,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 88 states have (on average 1.5568181818181819) internal successors, (137), 88 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:15,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 137 transitions. [2022-03-15 18:22:15,131 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 137 transitions. Word has length 18 [2022-03-15 18:22:15,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:22:15,132 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 137 transitions. [2022-03-15 18:22:15,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.0) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:15,132 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 137 transitions. [2022-03-15 18:22:15,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-03-15 18:22:15,132 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:22:15,132 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] [2022-03-15 18:22:15,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-15 18:22:15,132 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-03-15 18:22:15,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:22:15,133 INFO L85 PathProgramCache]: Analyzing trace with hash 82258202, now seen corresponding path program 1 times [2022-03-15 18:22:15,134 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:22:15,134 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449415573] [2022-03-15 18:22:15,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:22:15,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:22:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:22:15,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:22:15,173 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:22:15,173 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449415573] [2022-03-15 18:22:15,173 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449415573] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:22:15,173 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:22:15,173 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 18:22:15,173 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [14636035] [2022-03-15 18:22:15,173 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:22:15,175 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:22:15,177 INFO L252 McrAutomatonBuilder]: Finished intersection with 21 states and 20 transitions. [2022-03-15 18:22:15,177 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:22:15,177 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:22:15,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 18:22:15,178 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:22:15,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 18:22:15,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-15 18:22:15,178 INFO L87 Difference]: Start difference. First operand 89 states and 137 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:15,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:22:15,252 INFO L93 Difference]: Finished difference Result 98 states and 143 transitions. [2022-03-15 18:22:15,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 18:22:15,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-03-15 18:22:15,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:22:15,253 INFO L225 Difference]: With dead ends: 98 [2022-03-15 18:22:15,253 INFO L226 Difference]: Without dead ends: 82 [2022-03-15 18:22:15,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-03-15 18:22:15,253 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 43 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 18:22:15,254 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 29 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 18:22:15,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-03-15 18:22:15,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 69. [2022-03-15 18:22:15,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 68 states have (on average 1.4705882352941178) internal successors, (100), 68 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:15,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 100 transitions. [2022-03-15 18:22:15,255 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 100 transitions. Word has length 20 [2022-03-15 18:22:15,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:22:15,255 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 100 transitions. [2022-03-15 18:22:15,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:15,256 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2022-03-15 18:22:15,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-03-15 18:22:15,256 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:22:15,256 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:22:15,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-15 18:22:15,256 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-03-15 18:22:15,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:22:15,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1607749485, now seen corresponding path program 1 times [2022-03-15 18:22:15,258 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:22:15,258 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645481861] [2022-03-15 18:22:15,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:22:15,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:22:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:22:15,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:22:15,351 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:22:15,351 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645481861] [2022-03-15 18:22:15,351 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645481861] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:22:15,351 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:22:15,352 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 18:22:15,352 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1612911625] [2022-03-15 18:22:15,352 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:22:15,353 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:22:15,357 INFO L252 McrAutomatonBuilder]: Finished intersection with 25 states and 25 transitions. [2022-03-15 18:22:15,357 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:22:15,357 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:22:15,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 18:22:15,357 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:22:15,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 18:22:15,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-03-15 18:22:15,358 INFO L87 Difference]: Start difference. First operand 69 states and 100 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:15,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:22:15,388 INFO L93 Difference]: Finished difference Result 58 states and 81 transitions. [2022-03-15 18:22:15,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 18:22:15,388 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-03-15 18:22:15,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:22:15,388 INFO L225 Difference]: With dead ends: 58 [2022-03-15 18:22:15,388 INFO L226 Difference]: Without dead ends: 0 [2022-03-15 18:22:15,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-03-15 18:22:15,389 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 30 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 18:22:15,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 3 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 18:22:15,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-15 18:22:15,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-15 18:22:15,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:15,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-15 18:22:15,389 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2022-03-15 18:22:15,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:22:15,390 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-15 18:22:15,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:22:15,390 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-15 18:22:15,390 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-15 18:22:15,392 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (6 of 7 remaining) [2022-03-15 18:22:15,392 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2022-03-15 18:22:15,392 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2022-03-15 18:22:15,393 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2022-03-15 18:22:15,393 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 7 remaining) [2022-03-15 18:22:15,393 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2022-03-15 18:22:15,393 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-03-15 18:22:15,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-15 18:22:15,394 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:22:15,397 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 18:22:15,397 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 18:22:15,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 06:22:15 BasicIcfg [2022-03-15 18:22:15,399 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 18:22:15,399 INFO L158 Benchmark]: Toolchain (without parser) took 8484.85ms. Allocated memory was 166.7MB in the beginning and 239.1MB in the end (delta: 72.4MB). Free memory was 117.3MB in the beginning and 128.8MB in the end (delta: -11.5MB). Peak memory consumption was 62.0MB. Max. memory is 8.0GB. [2022-03-15 18:22:15,399 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 166.7MB. Free memory is still 135.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 18:22:15,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.90ms. Allocated memory is still 166.7MB. Free memory was 117.0MB in the beginning and 134.2MB in the end (delta: -17.3MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. [2022-03-15 18:22:15,399 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.99ms. Allocated memory is still 166.7MB. Free memory was 134.2MB in the beginning and 131.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 18:22:15,400 INFO L158 Benchmark]: Boogie Preprocessor took 44.26ms. Allocated memory is still 166.7MB. Free memory was 131.9MB in the beginning and 130.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 18:22:15,400 INFO L158 Benchmark]: RCFGBuilder took 493.93ms. Allocated memory is still 166.7MB. Free memory was 130.3MB in the beginning and 114.6MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-03-15 18:22:15,400 INFO L158 Benchmark]: TraceAbstraction took 7489.62ms. Allocated memory was 166.7MB in the beginning and 239.1MB in the end (delta: 72.4MB). Free memory was 114.1MB in the beginning and 128.8MB in the end (delta: -14.7MB). Peak memory consumption was 58.7MB. Max. memory is 8.0GB. [2022-03-15 18:22:15,401 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 166.7MB. Free memory is still 135.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 402.90ms. Allocated memory is still 166.7MB. Free memory was 117.0MB in the beginning and 134.2MB in the end (delta: -17.3MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.99ms. Allocated memory is still 166.7MB. Free memory was 134.2MB in the beginning and 131.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.26ms. Allocated memory is still 166.7MB. Free memory was 131.9MB in the beginning and 130.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 493.93ms. Allocated memory is still 166.7MB. Free memory was 130.3MB in the beginning and 114.6MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 7489.62ms. Allocated memory was 166.7MB in the beginning and 239.1MB in the end (delta: 72.4MB). Free memory was 114.1MB in the beginning and 128.8MB in the end (delta: -14.7MB). Peak memory consumption was 58.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.4s, 178 PlacesBefore, 34 PlacesAfterwards, 183 TransitionsBefore, 33 TransitionsAfterwards, 8736 CoEnabledTransitionPairs, 8 FixpointIterations, 51 TrivialSequentialCompositions, 106 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 35 ConcurrentYvCompositions, 6 ChoiceCompositions, 198 TotalNumberOfCompositions, 15061 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8326, positive: 7973, positive conditional: 0, positive unconditional: 7973, negative: 353, negative conditional: 0, negative unconditional: 353, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5032, positive: 4958, positive conditional: 0, positive unconditional: 4958, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8326, positive: 3015, positive conditional: 0, positive unconditional: 3015, negative: 279, negative conditional: 0, negative unconditional: 279, unknown: 5032, unknown conditional: 0, unknown unconditional: 5032] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 83, Positive conditional cache size: 0, Positive unconditional cache size: 83, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25 - 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 255 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.5s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 457 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 457 mSDsluCounter, 216 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 484 mSDsCounter, 65 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 996 IncrementalHoareTripleChecker+Invalid, 1061 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 65 mSolverCounterUnsat, 85 mSDtfsCounter, 996 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred 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, 11 MinimizatonAttempts, 116 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 137 ConstructedInterpolants, 0 QuantifiedInterpolants, 721 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-15 18:22:15,443 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...