/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_25-struct_nr_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-17 23:52:38,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-17 23:52:38,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-17 23:52:38,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-17 23:52:38,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-17 23:52:38,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-17 23:52:38,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-17 23:52:38,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-17 23:52:38,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-17 23:52:38,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-17 23:52:38,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-17 23:52:38,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-01-17 23:52:39,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-17 23:52:39,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-17 23:52:39,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-17 23:52:39,039 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-01-17 23:52:39,054 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-17 23:52:39,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-17 23:52:39,055 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-17 23:52:39,071 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-17 23:52:39,071 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-17 23:52:39,072 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-17 23:52:39,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-17 23:52:39,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-17 23:52:39,072 INFO L138 SettingsManager]: * Use SBE=true [2022-01-17 23:52:39,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-17 23:52:39,073 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-17 23:52:39,073 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-17 23:52:39,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-17 23:52:39,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-17 23:52:39,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-17 23:52:39,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-17 23:52:39,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-17 23:52:39,074 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-17 23:52:39,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-17 23:52:39,074 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-17 23:52:39,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-17 23:52:39,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-17 23:52:39,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-17 23:52:39,074 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-17 23:52:39,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-17 23:52:39,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-17 23:52:39,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-17 23:52:39,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-17 23:52:39,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-17 23:52:39,076 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-17 23:52:39,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-17 23:52:39,076 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-17 23:52:39,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-17 23:52:39,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-17 23:52:39,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-17 23:52:39,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-17 23:52:39,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-17 23:52:39,367 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-17 23:52:39,367 INFO L275 PluginConnector]: CDTParser initialized [2022-01-17 23:52:39,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_25-struct_nr_true.i [2022-01-17 23:52:39,420 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23d852de5/3d1f191c304a4f4caf23f0f1e455d69b/FLAGa90a6bfed [2022-01-17 23:52:39,969 INFO L306 CDTParser]: Found 1 translation units. [2022-01-17 23:52:39,969 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_25-struct_nr_true.i [2022-01-17 23:52:39,988 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23d852de5/3d1f191c304a4f4caf23f0f1e455d69b/FLAGa90a6bfed [2022-01-17 23:52:40,429 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23d852de5/3d1f191c304a4f4caf23f0f1e455d69b [2022-01-17 23:52:40,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-17 23:52:40,432 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-17 23:52:40,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-17 23:52:40,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-17 23:52:40,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-17 23:52:40,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.01 11:52:40" (1/1) ... [2022-01-17 23:52:40,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b75ead7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:52:40, skipping insertion in model container [2022-01-17 23:52:40,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.01 11:52:40" (1/1) ... [2022-01-17 23:52:40,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-17 23:52:40,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-17 23:52:40,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_25-struct_nr_true.i[1086,1099] [2022-01-17 23:52:40,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-17 23:52:40,921 INFO L203 MainTranslator]: Completed pre-run [2022-01-17 23:52:40,928 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_25-struct_nr_true.i[1086,1099] [2022-01-17 23:52:40,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-17 23:52:41,019 INFO L208 MainTranslator]: Completed translation [2022-01-17 23:52:41,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:52:41 WrapperNode [2022-01-17 23:52:41,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-17 23:52:41,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-17 23:52:41,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-17 23:52:41,020 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-17 23:52:41,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:52:41" (1/1) ... [2022-01-17 23:52:41,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:52:41" (1/1) ... [2022-01-17 23:52:41,099 INFO L137 Inliner]: procedures = 162, calls = 24, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 76 [2022-01-17 23:52:41,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-17 23:52:41,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-17 23:52:41,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-17 23:52:41,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-17 23:52:41,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:52:41" (1/1) ... [2022-01-17 23:52:41,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:52:41" (1/1) ... [2022-01-17 23:52:41,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:52:41" (1/1) ... [2022-01-17 23:52:41,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:52:41" (1/1) ... [2022-01-17 23:52:41,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:52:41" (1/1) ... [2022-01-17 23:52:41,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:52:41" (1/1) ... [2022-01-17 23:52:41,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:52:41" (1/1) ... [2022-01-17 23:52:41,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-17 23:52:41,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-17 23:52:41,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-17 23:52:41,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-17 23:52:41,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:52:41" (1/1) ... [2022-01-17 23:52:41,137 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-17 23:52:41,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-17 23:52:41,155 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) [2022-01-17 23:52:41,166 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 [2022-01-17 23:52:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-17 23:52:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-17 23:52:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-17 23:52:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-17 23:52:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-17 23:52:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-17 23:52:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-17 23:52:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-17 23:52:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-17 23:52:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-17 23:52:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-17 23:52:41,182 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-17 23:52:41,242 INFO L234 CfgBuilder]: Building ICFG [2022-01-17 23:52:41,243 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-17 23:52:41,340 INFO L275 CfgBuilder]: Performing block encoding [2022-01-17 23:52:41,344 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-17 23:52:41,344 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-17 23:52:41,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.01 11:52:41 BoogieIcfgContainer [2022-01-17 23:52:41,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-17 23:52:41,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-17 23:52:41,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-17 23:52:41,349 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-17 23:52:41,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.01 11:52:40" (1/3) ... [2022-01-17 23:52:41,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e3e6017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.01 11:52:41, skipping insertion in model container [2022-01-17 23:52:41,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:52:41" (2/3) ... [2022-01-17 23:52:41,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e3e6017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.01 11:52:41, skipping insertion in model container [2022-01-17 23:52:41,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.01 11:52:41" (3/3) ... [2022-01-17 23:52:41,350 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_25-struct_nr_true.i [2022-01-17 23:52:41,353 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-17 23:52:41,353 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-17 23:52:41,353 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-01-17 23:52:41,353 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-17 23:52:41,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,374 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,374 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,374 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,374 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,374 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,377 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,377 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,377 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,377 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,378 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,378 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,378 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,378 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,378 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,378 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,378 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,378 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,379 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,379 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,379 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,379 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,380 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,380 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,380 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,382 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,382 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,382 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,382 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,382 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,382 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,382 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,382 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:52:41,385 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-01-17 23:52:41,409 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-17 23:52:41,412 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-17 23:52:41,412 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-01-17 23:52:41,419 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 96 transitions, 200 flow [2022-01-17 23:52:41,482 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 616 states, 610 states have (on average 1.977049180327869) internal successors, (1206), 615 states have internal predecessors, (1206), 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) [2022-01-17 23:52:41,485 INFO L276 IsEmpty]: Start isEmpty. Operand has 616 states, 610 states have (on average 1.977049180327869) internal successors, (1206), 615 states have internal predecessors, (1206), 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) [2022-01-17 23:52:41,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-01-17 23:52:41,489 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:52:41,489 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 23:52:41,489 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 23:52:41,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:52:41,507 INFO L85 PathProgramCache]: Analyzing trace with hash -948070911, now seen corresponding path program 1 times [2022-01-17 23:52:41,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:52:41,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355854129] [2022-01-17 23:52:41,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:52:41,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:52:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:52:41,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 23:52:41,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:52:41,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355854129] [2022-01-17 23:52:41,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355854129] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:52:41,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:52:41,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-17 23:52:41,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555724107] [2022-01-17 23:52:41,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:52:41,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-17 23:52:41,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:52:41,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-17 23:52:41,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-17 23:52:41,757 INFO L87 Difference]: Start difference. First operand has 616 states, 610 states have (on average 1.977049180327869) internal successors, (1206), 615 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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) [2022-01-17 23:52:41,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 23:52:41,842 INFO L93 Difference]: Finished difference Result 556 states and 1033 transitions. [2022-01-17 23:52:41,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-17 23:52:41,845 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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 27 [2022-01-17 23:52:41,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 23:52:41,854 INFO L225 Difference]: With dead ends: 556 [2022-01-17 23:52:41,854 INFO L226 Difference]: Without dead ends: 556 [2022-01-17 23:52:41,855 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-17 23:52:41,857 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 181 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 23:52:41,858 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 223 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 23:52:41,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2022-01-17 23:52:41,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 556. [2022-01-17 23:52:41,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 551 states have (on average 1.8747731397459164) internal successors, (1033), 555 states have internal predecessors, (1033), 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) [2022-01-17 23:52:41,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 1033 transitions. [2022-01-17 23:52:41,940 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 1033 transitions. Word has length 27 [2022-01-17 23:52:41,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:52:41,941 INFO L470 AbstractCegarLoop]: Abstraction has 556 states and 1033 transitions. [2022-01-17 23:52:41,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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) [2022-01-17 23:52:41,941 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 1033 transitions. [2022-01-17 23:52:41,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-01-17 23:52:41,942 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:52:41,942 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 23:52:41,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-17 23:52:41,942 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 23:52:41,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:52:41,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1028974734, now seen corresponding path program 1 times [2022-01-17 23:52:41,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:52:41,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285327709] [2022-01-17 23:52:41,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:52:41,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:52:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:52:42,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 23:52:42,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:52:42,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285327709] [2022-01-17 23:52:42,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285327709] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:52:42,074 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:52:42,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-17 23:52:42,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053645369] [2022-01-17 23:52:42,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:52:42,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-17 23:52:42,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:52:42,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-17 23:52:42,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-17 23:52:42,076 INFO L87 Difference]: Start difference. First operand 556 states and 1033 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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) [2022-01-17 23:52:42,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 23:52:42,196 INFO L93 Difference]: Finished difference Result 834 states and 1542 transitions. [2022-01-17 23:52:42,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-17 23:52:42,197 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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 42 [2022-01-17 23:52:42,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 23:52:42,200 INFO L225 Difference]: With dead ends: 834 [2022-01-17 23:52:42,200 INFO L226 Difference]: Without dead ends: 834 [2022-01-17 23:52:42,200 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-01-17 23:52:42,201 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 193 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 23:52:42,201 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 516 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 23:52:42,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2022-01-17 23:52:42,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 619. [2022-01-17 23:52:42,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 614 states have (on average 1.8794788273615635) internal successors, (1154), 618 states have internal predecessors, (1154), 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) [2022-01-17 23:52:42,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 1154 transitions. [2022-01-17 23:52:42,223 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 1154 transitions. Word has length 42 [2022-01-17 23:52:42,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:52:42,224 INFO L470 AbstractCegarLoop]: Abstraction has 619 states and 1154 transitions. [2022-01-17 23:52:42,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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) [2022-01-17 23:52:42,224 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 1154 transitions. [2022-01-17 23:52:42,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-01-17 23:52:42,229 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:52:42,230 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 23:52:42,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-17 23:52:42,230 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 23:52:42,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:52:42,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1104650203, now seen corresponding path program 1 times [2022-01-17 23:52:42,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:52:42,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845477573] [2022-01-17 23:52:42,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:52:42,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:52:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:52:42,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 23:52:42,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:52:42,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845477573] [2022-01-17 23:52:42,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845477573] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:52:42,394 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:52:42,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-17 23:52:42,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878063040] [2022-01-17 23:52:42,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:52:42,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-17 23:52:42,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:52:42,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-17 23:52:42,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-17 23:52:42,396 INFO L87 Difference]: Start difference. First operand 619 states and 1154 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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) [2022-01-17 23:52:42,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 23:52:42,537 INFO L93 Difference]: Finished difference Result 794 states and 1464 transitions. [2022-01-17 23:52:42,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-17 23:52:42,538 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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 44 [2022-01-17 23:52:42,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 23:52:42,542 INFO L225 Difference]: With dead ends: 794 [2022-01-17 23:52:42,543 INFO L226 Difference]: Without dead ends: 742 [2022-01-17 23:52:42,545 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2022-01-17 23:52:42,547 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 382 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 23:52:42,548 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [382 Valid, 439 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 23:52:42,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2022-01-17 23:52:42,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 638. [2022-01-17 23:52:42,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 634 states have (on average 1.8706624605678233) internal successors, (1186), 637 states have internal predecessors, (1186), 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) [2022-01-17 23:52:42,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 1186 transitions. [2022-01-17 23:52:42,561 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 1186 transitions. Word has length 44 [2022-01-17 23:52:42,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:52:42,561 INFO L470 AbstractCegarLoop]: Abstraction has 638 states and 1186 transitions. [2022-01-17 23:52:42,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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) [2022-01-17 23:52:42,561 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1186 transitions. [2022-01-17 23:52:42,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-01-17 23:52:42,563 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:52:42,563 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 23:52:42,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-17 23:52:42,564 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 23:52:42,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:52:42,564 INFO L85 PathProgramCache]: Analyzing trace with hash -801581144, now seen corresponding path program 1 times [2022-01-17 23:52:42,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:52:42,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461933285] [2022-01-17 23:52:42,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:52:42,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:52:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:52:42,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 23:52:42,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:52:42,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461933285] [2022-01-17 23:52:42,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461933285] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:52:42,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:52:42,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-17 23:52:42,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403521041] [2022-01-17 23:52:42,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:52:42,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-17 23:52:42,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:52:42,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-17 23:52:42,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 23:52:42,603 INFO L87 Difference]: Start difference. First operand 638 states and 1186 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2022-01-17 23:52:42,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 23:52:42,614 INFO L93 Difference]: Finished difference Result 223 states and 342 transitions. [2022-01-17 23:52:42,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-17 23:52:42,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 48 [2022-01-17 23:52:42,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 23:52:42,615 INFO L225 Difference]: With dead ends: 223 [2022-01-17 23:52:42,615 INFO L226 Difference]: Without dead ends: 223 [2022-01-17 23:52:42,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 23:52:42,616 INFO L933 BasicCegarLoop]: 81 mSDtfsCounter, 41 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 23:52:42,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 112 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 23:52:42,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2022-01-17 23:52:42,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2022-01-17 23:52:42,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 219 states have (on average 1.5616438356164384) internal successors, (342), 222 states have internal predecessors, (342), 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) [2022-01-17 23:52:42,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 342 transitions. [2022-01-17 23:52:42,620 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 342 transitions. Word has length 48 [2022-01-17 23:52:42,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:52:42,620 INFO L470 AbstractCegarLoop]: Abstraction has 223 states and 342 transitions. [2022-01-17 23:52:42,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2022-01-17 23:52:42,621 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 342 transitions. [2022-01-17 23:52:42,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-01-17 23:52:42,621 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:52:42,621 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 23:52:42,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-17 23:52:42,621 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 23:52:42,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:52:42,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1778536600, now seen corresponding path program 1 times [2022-01-17 23:52:42,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:52:42,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705351778] [2022-01-17 23:52:42,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:52:42,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:52:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:52:42,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 23:52:42,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:52:42,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705351778] [2022-01-17 23:52:42,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705351778] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:52:42,653 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:52:42,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-17 23:52:42,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256763294] [2022-01-17 23:52:42,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:52:42,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-17 23:52:42,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:52:42,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-17 23:52:42,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-17 23:52:42,654 INFO L87 Difference]: Start difference. First operand 223 states and 342 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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) [2022-01-17 23:52:42,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 23:52:42,688 INFO L93 Difference]: Finished difference Result 213 states and 326 transitions. [2022-01-17 23:52:42,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-17 23:52:42,688 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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 49 [2022-01-17 23:52:42,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 23:52:42,689 INFO L225 Difference]: With dead ends: 213 [2022-01-17 23:52:42,689 INFO L226 Difference]: Without dead ends: 199 [2022-01-17 23:52:42,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-17 23:52:42,690 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 61 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 23:52:42,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 284 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 23:52:42,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2022-01-17 23:52:42,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2022-01-17 23:52:42,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 197 states have (on average 1.5482233502538072) internal successors, (305), 198 states have internal predecessors, (305), 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) [2022-01-17 23:52:42,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 305 transitions. [2022-01-17 23:52:42,694 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 305 transitions. Word has length 49 [2022-01-17 23:52:42,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:52:42,694 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 305 transitions. [2022-01-17 23:52:42,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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) [2022-01-17 23:52:42,694 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 305 transitions. [2022-01-17 23:52:42,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-01-17 23:52:42,695 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:52:42,695 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 23:52:42,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-17 23:52:42,695 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 23:52:42,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:52:42,696 INFO L85 PathProgramCache]: Analyzing trace with hash -716185024, now seen corresponding path program 1 times [2022-01-17 23:52:42,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:52:42,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796873215] [2022-01-17 23:52:42,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:52:42,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:52:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:52:42,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 23:52:42,831 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:52:42,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796873215] [2022-01-17 23:52:42,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796873215] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:52:42,832 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:52:42,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-17 23:52:42,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584827590] [2022-01-17 23:52:42,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:52:42,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-17 23:52:42,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:52:42,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-17 23:52:42,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-01-17 23:52:42,833 INFO L87 Difference]: Start difference. First operand 199 states and 305 transitions. Second operand has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:52:43,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 23:52:43,022 INFO L93 Difference]: Finished difference Result 195 states and 299 transitions. [2022-01-17 23:52:43,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-17 23:52:43,022 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-01-17 23:52:43,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 23:52:43,023 INFO L225 Difference]: With dead ends: 195 [2022-01-17 23:52:43,023 INFO L226 Difference]: Without dead ends: 133 [2022-01-17 23:52:43,023 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=368, Unknown=0, NotChecked=0, Total=462 [2022-01-17 23:52:43,024 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 115 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 23:52:43,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 541 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 23:52:43,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-01-17 23:52:43,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2022-01-17 23:52:43,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 132 states have (on average 1.5) internal successors, (198), 132 states have internal predecessors, (198), 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) [2022-01-17 23:52:43,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 198 transitions. [2022-01-17 23:52:43,027 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 198 transitions. Word has length 59 [2022-01-17 23:52:43,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:52:43,027 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 198 transitions. [2022-01-17 23:52:43,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:52:43,028 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 198 transitions. [2022-01-17 23:52:43,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-01-17 23:52:43,028 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:52:43,028 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 23:52:43,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-17 23:52:43,028 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 23:52:43,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:52:43,029 INFO L85 PathProgramCache]: Analyzing trace with hash -326212775, now seen corresponding path program 1 times [2022-01-17 23:52:43,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:52:43,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127263138] [2022-01-17 23:52:43,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:52:43,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:52:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:52:43,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 23:52:43,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:52:43,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127263138] [2022-01-17 23:52:43,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127263138] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:52:43,104 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:52:43,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-17 23:52:43,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107447596] [2022-01-17 23:52:43,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:52:43,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-17 23:52:43,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:52:43,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-17 23:52:43,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-17 23:52:43,105 INFO L87 Difference]: Start difference. First operand 133 states and 198 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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) [2022-01-17 23:52:43,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 23:52:43,207 INFO L93 Difference]: Finished difference Result 127 states and 188 transitions. [2022-01-17 23:52:43,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-17 23:52:43,207 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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 64 [2022-01-17 23:52:43,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 23:52:43,208 INFO L225 Difference]: With dead ends: 127 [2022-01-17 23:52:43,208 INFO L226 Difference]: Without dead ends: 0 [2022-01-17 23:52:43,208 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2022-01-17 23:52:43,209 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 130 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 23:52:43,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 263 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 23:52:43,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-17 23:52:43,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-17 23:52:43,210 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) [2022-01-17 23:52:43,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-17 23:52:43,210 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2022-01-17 23:52:43,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:52:43,210 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-17 23:52:43,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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) [2022-01-17 23:52:43,210 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-17 23:52:43,210 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-17 23:52:43,212 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2022-01-17 23:52:43,212 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2022-01-17 23:52:43,213 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-01-17 23:52:43,213 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2022-01-17 23:52:43,213 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 7 remaining) [2022-01-17 23:52:43,213 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2022-01-17 23:52:43,213 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-01-17 23:52:43,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-17 23:52:43,215 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-01-17 23:52:43,217 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-17 23:52:43,217 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-17 23:52:43,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.01 11:52:43 BasicIcfg [2022-01-17 23:52:43,219 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-17 23:52:43,219 INFO L158 Benchmark]: Toolchain (without parser) took 2787.45ms. Allocated memory was 369.1MB in the beginning and 738.2MB in the end (delta: 369.1MB). Free memory was 339.8MB in the beginning and 506.8MB in the end (delta: -167.0MB). Peak memory consumption was 201.0MB. Max. memory is 16.0GB. [2022-01-17 23:52:43,219 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 369.1MB. Free memory was 329.6MB in the beginning and 329.6MB in the end (delta: 61.7kB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-17 23:52:43,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 586.97ms. Allocated memory was 369.1MB in the beginning and 738.2MB in the end (delta: 369.1MB). Free memory was 339.8MB in the beginning and 699.8MB in the end (delta: -360.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2022-01-17 23:52:43,220 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.87ms. Allocated memory is still 738.2MB. Free memory was 699.8MB in the beginning and 696.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-17 23:52:43,220 INFO L158 Benchmark]: Boogie Preprocessor took 22.65ms. Allocated memory is still 738.2MB. Free memory was 696.6MB in the beginning and 695.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-17 23:52:43,220 INFO L158 Benchmark]: RCFGBuilder took 222.42ms. Allocated memory is still 738.2MB. Free memory was 695.6MB in the beginning and 679.8MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2022-01-17 23:52:43,220 INFO L158 Benchmark]: TraceAbstraction took 1872.39ms. Allocated memory is still 738.2MB. Free memory was 679.8MB in the beginning and 506.8MB in the end (delta: 173.0MB). Peak memory consumption was 174.1MB. Max. memory is 16.0GB. [2022-01-17 23:52:43,221 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 369.1MB. Free memory was 329.6MB in the beginning and 329.6MB in the end (delta: 61.7kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 586.97ms. Allocated memory was 369.1MB in the beginning and 738.2MB in the end (delta: 369.1MB). Free memory was 339.8MB in the beginning and 699.8MB in the end (delta: -360.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 79.87ms. Allocated memory is still 738.2MB. Free memory was 699.8MB in the beginning and 696.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 22.65ms. Allocated memory is still 738.2MB. Free memory was 696.6MB in the beginning and 695.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 222.42ms. Allocated memory is still 738.2MB. Free memory was 695.6MB in the beginning and 679.8MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 1872.39ms. Allocated memory is still 738.2MB. Free memory was 679.8MB in the beginning and 506.8MB in the end (delta: 173.0MB). Peak memory consumption was 174.1MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 123 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1103 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1103 mSDsluCounter, 2378 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1756 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 353 IncrementalHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 631 mSDtfsCounter, 353 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 88 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=638occurred in iteration=3, InterpolantAutomatonStates: 71, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 319 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 333 NumberOfCodeBlocks, 333 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 326 ConstructedInterpolants, 0 QuantifiedInterpolants, 1370 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-01-17 23:52:43,243 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...