/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-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/05_tas.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 08:33:36,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 08:33:36,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 08:33:36,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-18 08:33:36,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 08:33:36,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 08:33:36,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 08:33:36,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 08:33:36,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 08:33:36,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 08:33:36,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 08:33:36,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 08:33:36,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 08:33:36,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 08:33:36,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 08:33:36,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 08:33:36,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 08:33:36,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 08:33:36,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 08:33:36,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 08:33:36,175 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-Separate.epf [2022-01-18 08:33:36,187 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 08:33:36,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 08:33:36,188 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 08:33:36,188 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 08:33:36,188 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 08:33:36,188 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 08:33:36,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 08:33:36,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 08:33:36,189 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 08:33:36,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 08:33:36,189 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 08:33:36,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 08:33:36,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 08:33:36,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 08:33:36,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 08:33:36,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 08:33:36,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 08:33:36,190 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 08:33:36,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 08:33:36,190 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 08:33:36,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 08:33:36,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 08:33:36,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 08:33:36,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 08:33:36,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 08:33:36,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 08:33:36,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 08:33:36,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 08:33:36,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 08:33:36,191 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 08:33:36,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 08:33:36,191 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 08:33:36,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 08:33:36,192 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2022-01-18 08:33:36,192 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 08:33:36,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 08:33:36,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 08:33:36,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 08:33:36,374 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 08:33:36,375 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 08:33:36,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/05_tas.i [2022-01-18 08:33:36,427 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcee7b804/3ec735e71c4d4310aceee044bf0dc414/FLAG7a8f2107c [2022-01-18 08:33:36,768 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 08:33:36,768 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/05_tas.i [2022-01-18 08:33:36,785 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcee7b804/3ec735e71c4d4310aceee044bf0dc414/FLAG7a8f2107c [2022-01-18 08:33:37,147 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcee7b804/3ec735e71c4d4310aceee044bf0dc414 [2022-01-18 08:33:37,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 08:33:37,151 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 08:33:37,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 08:33:37,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 08:33:37,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 08:33:37,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 08:33:37" (1/1) ... [2022-01-18 08:33:37,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@628b49e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:33:37, skipping insertion in model container [2022-01-18 08:33:37,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 08:33:37" (1/1) ... [2022-01-18 08:33:37,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 08:33:37,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 08:33:37,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/05_tas.i[30203,30216] [2022-01-18 08:33:37,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/05_tas.i[30300,30313] [2022-01-18 08:33:37,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/05_tas.i[30446,30459] [2022-01-18 08:33:37,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 08:33:37,396 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 08:33:37,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/05_tas.i[30203,30216] [2022-01-18 08:33:37,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/05_tas.i[30300,30313] [2022-01-18 08:33:37,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/05_tas.i[30446,30459] [2022-01-18 08:33:37,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 08:33:37,471 INFO L208 MainTranslator]: Completed translation [2022-01-18 08:33:37,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:33:37 WrapperNode [2022-01-18 08:33:37,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 08:33:37,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 08:33:37,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 08:33:37,473 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 08:33:37,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:33:37" (1/1) ... [2022-01-18 08:33:37,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:33:37" (1/1) ... [2022-01-18 08:33:37,513 INFO L137 Inliner]: procedures = 169, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 93 [2022-01-18 08:33:37,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 08:33:37,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 08:33:37,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 08:33:37,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 08:33:37,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:33:37" (1/1) ... [2022-01-18 08:33:37,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:33:37" (1/1) ... [2022-01-18 08:33:37,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:33:37" (1/1) ... [2022-01-18 08:33:37,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:33:37" (1/1) ... [2022-01-18 08:33:37,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:33:37" (1/1) ... [2022-01-18 08:33:37,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:33:37" (1/1) ... [2022-01-18 08:33:37,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:33:37" (1/1) ... [2022-01-18 08:33:37,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 08:33:37,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 08:33:37,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 08:33:37,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 08:33:37,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:33:37" (1/1) ... [2022-01-18 08:33:37,550 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 08:33:37,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:33:37,570 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) [2022-01-18 08:33:37,574 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 [2022-01-18 08:33:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 08:33:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-01-18 08:33:37,594 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-01-18 08:33:37,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 08:33:37,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 08:33:37,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 08:33:37,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 08:33:37,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 08:33:37,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 08:33:37,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 08:33:37,595 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 08:33:37,714 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 08:33:37,715 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 08:33:37,868 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 08:33:37,901 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 08:33:37,901 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-01-18 08:33:37,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 08:33:37 BoogieIcfgContainer [2022-01-18 08:33:37,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 08:33:37,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 08:33:37,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 08:33:37,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 08:33:37,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 08:33:37" (1/3) ... [2022-01-18 08:33:37,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd09446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 08:33:37, skipping insertion in model container [2022-01-18 08:33:37,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:33:37" (2/3) ... [2022-01-18 08:33:37,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd09446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 08:33:37, skipping insertion in model container [2022-01-18 08:33:37,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 08:33:37" (3/3) ... [2022-01-18 08:33:37,909 INFO L111 eAbstractionObserver]: Analyzing ICFG 05_tas.i [2022-01-18 08:33:37,912 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 08:33:37,912 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 08:33:37,913 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-01-18 08:33:37,913 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 08:33:37,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,948 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,948 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,952 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,952 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,952 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,961 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,962 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,963 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,964 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,965 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,969 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,969 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,969 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,969 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,969 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,969 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,969 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,969 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,969 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,970 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,970 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,970 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,970 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,970 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,970 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,970 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,970 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,970 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,970 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,971 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,971 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,971 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,971 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,971 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,971 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,971 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,971 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,971 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,971 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,971 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,972 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,972 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,972 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,972 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,972 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,973 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,973 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,973 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,973 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,973 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,973 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,974 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,974 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,974 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,974 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,975 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,975 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,975 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,975 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,975 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,975 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,975 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,976 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,976 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,976 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,976 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,976 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,976 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,976 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,976 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,976 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,976 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,979 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,979 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,980 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,980 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,980 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,980 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,980 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,980 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,981 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,981 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,981 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,981 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,981 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,981 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,981 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,981 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,981 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,982 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,982 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,982 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,982 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,982 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:37,982 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-18 08:33:38,007 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 08:33:38,011 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 [2022-01-18 08:33:38,012 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-01-18 08:33:38,018 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 85 places, 91 transitions, 187 flow [2022-01-18 08:33:38,061 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 729 states, 722 states have (on average 2.110803324099723) internal successors, (1524), 728 states have internal predecessors, (1524), 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) [2022-01-18 08:33:38,065 INFO L276 IsEmpty]: Start isEmpty. Operand has 729 states, 722 states have (on average 2.110803324099723) internal successors, (1524), 728 states have internal predecessors, (1524), 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) [2022-01-18 08:33:38,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 08:33:38,073 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:33:38,074 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] [2022-01-18 08:33:38,074 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 08:33:38,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:33:38,077 INFO L85 PathProgramCache]: Analyzing trace with hash 2016133968, now seen corresponding path program 1 times [2022-01-18 08:33:38,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:33:38,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558731794] [2022-01-18 08:33:38,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:33:38,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:33:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:33:38,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:33:38,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:33:38,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558731794] [2022-01-18 08:33:38,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558731794] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:33:38,242 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:33:38,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 08:33:38,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262111119] [2022-01-18 08:33:38,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:33:38,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 08:33:38,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:33:38,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 08:33:38,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 08:33:38,263 INFO L87 Difference]: Start difference. First operand has 729 states, 722 states have (on average 2.110803324099723) internal successors, (1524), 728 states have internal predecessors, (1524), 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 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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) [2022-01-18 08:33:38,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:33:38,284 INFO L93 Difference]: Finished difference Result 390 states and 728 transitions. [2022-01-18 08:33:38,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 08:33:38,286 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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 37 [2022-01-18 08:33:38,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:33:38,294 INFO L225 Difference]: With dead ends: 390 [2022-01-18 08:33:38,294 INFO L226 Difference]: Without dead ends: 390 [2022-01-18 08:33:38,295 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 08:33:38,297 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:33:38,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 08:33:38,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2022-01-18 08:33:38,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 390. [2022-01-18 08:33:38,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 387 states have (on average 1.8811369509043927) internal successors, (728), 389 states have internal predecessors, (728), 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) [2022-01-18 08:33:38,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 728 transitions. [2022-01-18 08:33:38,332 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 728 transitions. Word has length 37 [2022-01-18 08:33:38,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:33:38,332 INFO L470 AbstractCegarLoop]: Abstraction has 390 states and 728 transitions. [2022-01-18 08:33:38,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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) [2022-01-18 08:33:38,333 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 728 transitions. [2022-01-18 08:33:38,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-18 08:33:38,334 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:33:38,334 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] [2022-01-18 08:33:38,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 08:33:38,334 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 08:33:38,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:33:38,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1118878132, now seen corresponding path program 1 times [2022-01-18 08:33:38,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:33:38,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27901259] [2022-01-18 08:33:38,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:33:38,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:33:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:33:38,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:33:38,410 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:33:38,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27901259] [2022-01-18 08:33:38,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27901259] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:33:38,410 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:33:38,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 08:33:38,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960259007] [2022-01-18 08:33:38,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:33:38,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 08:33:38,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:33:38,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 08:33:38,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-01-18 08:33:38,412 INFO L87 Difference]: Start difference. First operand 390 states and 728 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 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) [2022-01-18 08:33:38,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:33:38,519 INFO L93 Difference]: Finished difference Result 434 states and 786 transitions. [2022-01-18 08:33:38,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-18 08:33:38,519 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 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 39 [2022-01-18 08:33:38,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:33:38,522 INFO L225 Difference]: With dead ends: 434 [2022-01-18 08:33:38,522 INFO L226 Difference]: Without dead ends: 434 [2022-01-18 08:33:38,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-01-18 08:33:38,523 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 79 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 08:33:38,523 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 445 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 08:33:38,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2022-01-18 08:33:38,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 378. [2022-01-18 08:33:38,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 375 states have (on average 1.8666666666666667) internal successors, (700), 377 states have internal predecessors, (700), 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) [2022-01-18 08:33:38,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 700 transitions. [2022-01-18 08:33:38,534 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 700 transitions. Word has length 39 [2022-01-18 08:33:38,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:33:38,534 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 700 transitions. [2022-01-18 08:33:38,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 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) [2022-01-18 08:33:38,534 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 700 transitions. [2022-01-18 08:33:38,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-01-18 08:33:38,535 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:33:38,536 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:33:38,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 08:33:38,536 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 08:33:38,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:33:38,537 INFO L85 PathProgramCache]: Analyzing trace with hash 881850485, now seen corresponding path program 1 times [2022-01-18 08:33:38,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:33:38,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643910849] [2022-01-18 08:33:38,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:33:38,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:33:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:33:38,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:33:38,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:33:38,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643910849] [2022-01-18 08:33:38,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643910849] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:33:38,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438391390] [2022-01-18 08:33:38,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:33:38,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:33:38,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:33:38,839 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:33:38,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-18 08:33:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:33:38,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 30 conjunts are in the unsatisfiable core [2022-01-18 08:33:38,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:33:39,038 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:33:39,041 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 08:33:39,188 INFO L353 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-01-18 08:33:39,188 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 51 [2022-01-18 08:33:39,194 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:33:39,199 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:33:39,287 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-18 08:33:39,292 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-01-18 08:33:39,485 INFO L353 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-01-18 08:33:39,485 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 36 [2022-01-18 08:33:39,501 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2022-01-18 08:33:39,527 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-01-18 08:33:39,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 08:33:39,547 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-18 08:33:39,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438391390] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:33:39,548 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-18 08:33:39,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [15] total 24 [2022-01-18 08:33:39,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932841437] [2022-01-18 08:33:39,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:33:39,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 08:33:39,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:33:39,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 08:33:39,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2022-01-18 08:33:39,550 INFO L87 Difference]: Start difference. First operand 378 states and 700 transitions. Second operand has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 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) [2022-01-18 08:33:39,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:33:39,701 INFO L93 Difference]: Finished difference Result 546 states and 1026 transitions. [2022-01-18 08:33:39,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-18 08:33:39,701 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 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 45 [2022-01-18 08:33:39,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:33:39,703 INFO L225 Difference]: With dead ends: 546 [2022-01-18 08:33:39,703 INFO L226 Difference]: Without dead ends: 546 [2022-01-18 08:33:39,704 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=171, Invalid=759, Unknown=0, NotChecked=0, Total=930 [2022-01-18 08:33:39,706 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 108 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 15 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 08:33:39,712 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 455 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 99 Invalid, 0 Unknown, 15 Unchecked, 0.1s Time] [2022-01-18 08:33:39,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2022-01-18 08:33:39,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 474. [2022-01-18 08:33:39,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 471 states have (on average 1.9193205944798302) internal successors, (904), 473 states have internal predecessors, (904), 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) [2022-01-18 08:33:39,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 904 transitions. [2022-01-18 08:33:39,722 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 904 transitions. Word has length 45 [2022-01-18 08:33:39,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:33:39,722 INFO L470 AbstractCegarLoop]: Abstraction has 474 states and 904 transitions. [2022-01-18 08:33:39,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 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) [2022-01-18 08:33:39,723 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 904 transitions. [2022-01-18 08:33:39,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-01-18 08:33:39,728 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:33:39,728 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:33:39,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-18 08:33:39,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:33:39,937 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 08:33:39,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:33:39,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1762681973, now seen corresponding path program 2 times [2022-01-18 08:33:39,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:33:39,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663808485] [2022-01-18 08:33:39,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:33:39,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:33:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:33:40,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:33:40,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:33:40,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663808485] [2022-01-18 08:33:40,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663808485] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:33:40,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319933564] [2022-01-18 08:33:40,199 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-18 08:33:40,199 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:33:40,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:33:40,200 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:33:40,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-18 08:33:40,246 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-18 08:33:40,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 08:33:40,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 35 conjunts are in the unsatisfiable core [2022-01-18 08:33:40,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:33:40,329 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 08:33:40,330 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 08:33:40,495 INFO L353 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-01-18 08:33:40,496 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-01-18 08:33:40,549 INFO L353 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-01-18 08:33:40,549 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 51 [2022-01-18 08:33:40,554 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:33:40,562 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:33:40,692 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-18 08:33:40,867 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 27 [2022-01-18 08:33:40,956 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2022-01-18 08:33:40,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 08:33:40,978 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:33:41,000 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_91 (Array Int Int))) (not (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_91))) (= (select (select .cse0 |c_thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base|) |c_thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset|) (select (select .cse0 |c_~#lock~0.base|) |c_~#lock~0.offset|))))) is different from false [2022-01-18 08:33:41,076 WARN L838 $PredicateComparison]: unable to prove that (forall ((|thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| Int)) (or (= (select (select |c_#memory_int| |c_thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base|) |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset|) 1) (forall ((v_ArrVal_91 (Array Int Int))) (not (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_91))) (= (select (select .cse0 |c_thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base|) |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset|) (select (select .cse0 |c_~#lock~0.base|) |c_~#lock~0.offset|))))))) is different from false [2022-01-18 08:33:41,090 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:33:41,091 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1764 treesize of output 1708 [2022-01-18 08:33:41,125 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1749 treesize of output 1709 [2022-01-18 08:33:41,235 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:33:41,236 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1534 treesize of output 1383 [2022-01-18 08:33:41,252 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1624 treesize of output 1600 [2022-01-18 08:33:43,020 INFO L353 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2022-01-18 08:33:43,021 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 22 [2022-01-18 08:33:43,044 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 3 not checked. [2022-01-18 08:33:43,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319933564] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:33:43,044 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:33:43,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 12] total 32 [2022-01-18 08:33:43,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170864320] [2022-01-18 08:33:43,044 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:33:43,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-01-18 08:33:43,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:33:43,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-01-18 08:33:43,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=733, Unknown=19, NotChecked=114, Total=992 [2022-01-18 08:33:43,045 INFO L87 Difference]: Start difference. First operand 474 states and 904 transitions. Second operand has 32 states, 32 states have (on average 3.375) internal successors, (108), 32 states have internal predecessors, (108), 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) [2022-01-18 08:33:43,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:33:43,502 INFO L93 Difference]: Finished difference Result 548 states and 1031 transitions. [2022-01-18 08:33:43,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-18 08:33:43,502 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 3.375) internal successors, (108), 32 states have internal predecessors, (108), 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 45 [2022-01-18 08:33:43,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:33:43,504 INFO L225 Difference]: With dead ends: 548 [2022-01-18 08:33:43,504 INFO L226 Difference]: Without dead ends: 548 [2022-01-18 08:33:43,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 78 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=277, Invalid=1040, Unknown=23, NotChecked=142, Total=1482 [2022-01-18 08:33:43,505 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 285 mSDsluCounter, 1507 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 1610 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 317 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:33:43,505 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [285 Valid, 1610 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 366 Invalid, 0 Unknown, 317 Unchecked, 0.2s Time] [2022-01-18 08:33:43,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2022-01-18 08:33:43,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 474. [2022-01-18 08:33:43,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 471 states have (on average 1.9193205944798302) internal successors, (904), 473 states have internal predecessors, (904), 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) [2022-01-18 08:33:43,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 904 transitions. [2022-01-18 08:33:43,514 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 904 transitions. Word has length 45 [2022-01-18 08:33:43,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:33:43,515 INFO L470 AbstractCegarLoop]: Abstraction has 474 states and 904 transitions. [2022-01-18 08:33:43,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.375) internal successors, (108), 32 states have internal predecessors, (108), 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) [2022-01-18 08:33:43,515 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 904 transitions. [2022-01-18 08:33:43,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-01-18 08:33:43,515 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:33:43,515 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] [2022-01-18 08:33:43,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-18 08:33:43,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-01-18 08:33:43,727 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 08:33:43,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:33:43,728 INFO L85 PathProgramCache]: Analyzing trace with hash -2043208515, now seen corresponding path program 1 times [2022-01-18 08:33:43,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:33:43,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944672907] [2022-01-18 08:33:43,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:33:43,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:33:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:33:43,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:33:43,792 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:33:43,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944672907] [2022-01-18 08:33:43,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944672907] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:33:43,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:33:43,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 08:33:43,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847647279] [2022-01-18 08:33:43,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:33:43,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 08:33:43,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:33:43,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 08:33:43,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 08:33:43,794 INFO L87 Difference]: Start difference. First operand 474 states and 904 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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) [2022-01-18 08:33:43,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:33:43,818 INFO L93 Difference]: Finished difference Result 586 states and 1106 transitions. [2022-01-18 08:33:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-18 08:33:43,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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 46 [2022-01-18 08:33:43,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:33:43,820 INFO L225 Difference]: With dead ends: 586 [2022-01-18 08:33:43,820 INFO L226 Difference]: Without dead ends: 586 [2022-01-18 08:33:43,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-18 08:33:43,821 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 40 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:33:43,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 279 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 08:33:43,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2022-01-18 08:33:43,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 586. [2022-01-18 08:33:43,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 583 states have (on average 1.8970840480274442) internal successors, (1106), 585 states have internal predecessors, (1106), 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) [2022-01-18 08:33:43,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 1106 transitions. [2022-01-18 08:33:43,831 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 1106 transitions. Word has length 46 [2022-01-18 08:33:43,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:33:43,831 INFO L470 AbstractCegarLoop]: Abstraction has 586 states and 1106 transitions. [2022-01-18 08:33:43,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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) [2022-01-18 08:33:43,831 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 1106 transitions. [2022-01-18 08:33:43,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-18 08:33:43,833 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:33:43,833 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] [2022-01-18 08:33:43,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-18 08:33:43,833 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err2ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 08:33:43,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:33:43,834 INFO L85 PathProgramCache]: Analyzing trace with hash 2129159043, now seen corresponding path program 1 times [2022-01-18 08:33:43,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:33:43,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099445145] [2022-01-18 08:33:43,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:33:43,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:33:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:33:43,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:33:43,863 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:33:43,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099445145] [2022-01-18 08:33:43,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099445145] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:33:43,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:33:43,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-18 08:33:43,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224891785] [2022-01-18 08:33:43,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:33:43,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-18 08:33:43,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:33:43,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-18 08:33:43,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-18 08:33:43,864 INFO L87 Difference]: Start difference. First operand 586 states and 1106 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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) [2022-01-18 08:33:43,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:33:43,890 INFO L93 Difference]: Finished difference Result 660 states and 1214 transitions. [2022-01-18 08:33:43,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-18 08:33:43,890 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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 54 [2022-01-18 08:33:43,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:33:43,892 INFO L225 Difference]: With dead ends: 660 [2022-01-18 08:33:43,892 INFO L226 Difference]: Without dead ends: 660 [2022-01-18 08:33:43,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-18 08:33:43,893 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 24 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:33:43,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 203 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 08:33:43,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2022-01-18 08:33:43,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 632. [2022-01-18 08:33:43,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 629 states have (on average 1.8600953895071541) internal successors, (1170), 631 states have internal predecessors, (1170), 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) [2022-01-18 08:33:43,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 1170 transitions. [2022-01-18 08:33:43,901 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 1170 transitions. Word has length 54 [2022-01-18 08:33:43,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:33:43,902 INFO L470 AbstractCegarLoop]: Abstraction has 632 states and 1170 transitions. [2022-01-18 08:33:43,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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) [2022-01-18 08:33:43,902 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 1170 transitions. [2022-01-18 08:33:43,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-01-18 08:33:43,902 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:33:43,903 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:33:43,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-18 08:33:43,903 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err2ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 08:33:43,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:33:43,903 INFO L85 PathProgramCache]: Analyzing trace with hash -2105611680, now seen corresponding path program 1 times [2022-01-18 08:33:43,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:33:43,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854747118] [2022-01-18 08:33:43,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:33:43,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:33:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:33:43,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 08:33:43,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:33:43,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854747118] [2022-01-18 08:33:43,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854747118] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:33:43,964 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:33:43,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-18 08:33:43,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771809726] [2022-01-18 08:33:43,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:33:43,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-18 08:33:43,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:33:43,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-18 08:33:43,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-01-18 08:33:43,965 INFO L87 Difference]: Start difference. First operand 632 states and 1170 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 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) [2022-01-18 08:33:44,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:33:44,017 INFO L93 Difference]: Finished difference Result 626 states and 1161 transitions. [2022-01-18 08:33:44,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-18 08:33:44,017 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 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 60 [2022-01-18 08:33:44,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:33:44,019 INFO L225 Difference]: With dead ends: 626 [2022-01-18 08:33:44,019 INFO L226 Difference]: Without dead ends: 626 [2022-01-18 08:33:44,019 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-01-18 08:33:44,019 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 206 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:33:44,020 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [206 Valid, 220 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 08:33:44,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2022-01-18 08:33:44,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 562. [2022-01-18 08:33:44,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 560 states have (on average 1.894642857142857) internal successors, (1061), 561 states have internal predecessors, (1061), 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) [2022-01-18 08:33:44,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 1061 transitions. [2022-01-18 08:33:44,027 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 1061 transitions. Word has length 60 [2022-01-18 08:33:44,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:33:44,028 INFO L470 AbstractCegarLoop]: Abstraction has 562 states and 1061 transitions. [2022-01-18 08:33:44,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 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) [2022-01-18 08:33:44,028 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 1061 transitions. [2022-01-18 08:33:44,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-01-18 08:33:44,029 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:33:44,029 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:33:44,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-18 08:33:44,029 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 08:33:44,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:33:44,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1230108886, now seen corresponding path program 1 times [2022-01-18 08:33:44,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:33:44,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356313799] [2022-01-18 08:33:44,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:33:44,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:33:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:33:44,171 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-01-18 08:33:44,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:33:44,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356313799] [2022-01-18 08:33:44,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356313799] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:33:44,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546651881] [2022-01-18 08:33:44,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:33:44,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:33:44,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:33:44,172 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:33:44,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-18 08:33:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:33:44,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 30 conjunts are in the unsatisfiable core [2022-01-18 08:33:44,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:33:44,298 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:33:44,298 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 08:33:44,561 INFO L353 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-01-18 08:33:44,561 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 51 [2022-01-18 08:33:44,565 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:33:44,569 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:33:44,661 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-18 08:33:44,667 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-01-18 08:33:44,823 INFO L353 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-01-18 08:33:44,824 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 36 [2022-01-18 08:33:44,833 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2022-01-18 08:33:44,858 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-01-18 08:33:44,875 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-01-18 08:33:44,875 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:33:44,896 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_187 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_187) |c_~#lock~0.base|) |c_~#lock~0.offset|) |c_thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1|))) is different from false [2022-01-18 08:33:44,904 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_187 (Array Int Int))) (not (= (select (select |c_#memory_int| |c_thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base|) |c_thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_187) |c_~#lock~0.base|) |c_~#lock~0.offset|)))) is different from false [2022-01-18 08:33:44,912 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_187 (Array Int Int))) (not (= (select (select |c_#memory_int| |c_thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base|) |c_thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_187) |c_~#lock~0.base|) |c_~#lock~0.offset|)))) (= |c_thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| 1)) is different from false [2022-01-18 08:33:44,941 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:33:44,941 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 676 treesize of output 648 [2022-01-18 08:33:44,946 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 740 treesize of output 716 [2022-01-18 08:33:44,961 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 490 treesize of output 458 [2022-01-18 08:33:44,968 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 534 treesize of output 522 [2022-01-18 08:33:45,239 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-01-18 08:33:45,239 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-01-18 08:33:45,249 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 1 times theorem prover too weak. 8 trivial. 6 not checked. [2022-01-18 08:33:45,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546651881] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:33:45,249 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:33:45,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 29 [2022-01-18 08:33:45,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720690078] [2022-01-18 08:33:45,249 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:33:45,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-01-18 08:33:45,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:33:45,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-01-18 08:33:45,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=507, Unknown=4, NotChecked=150, Total=812 [2022-01-18 08:33:45,250 INFO L87 Difference]: Start difference. First operand 562 states and 1061 transitions. Second operand has 29 states, 29 states have (on average 6.413793103448276) internal successors, (186), 29 states have internal predecessors, (186), 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) [2022-01-18 08:33:45,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:33:45,616 INFO L93 Difference]: Finished difference Result 613 states and 1147 transitions. [2022-01-18 08:33:45,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-18 08:33:45,617 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 6.413793103448276) internal successors, (186), 29 states have internal predecessors, (186), 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 77 [2022-01-18 08:33:45,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:33:45,618 INFO L225 Difference]: With dead ends: 613 [2022-01-18 08:33:45,618 INFO L226 Difference]: Without dead ends: 613 [2022-01-18 08:33:45,619 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 146 SyntacticMatches, 8 SemanticMatches, 40 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 502 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=374, Invalid=1110, Unknown=10, NotChecked=228, Total=1722 [2022-01-18 08:33:45,619 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 369 mSDsluCounter, 859 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 953 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 391 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 08:33:45,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [369 Valid, 953 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 166 Invalid, 0 Unknown, 391 Unchecked, 0.1s Time] [2022-01-18 08:33:45,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2022-01-18 08:33:45,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 560. [2022-01-18 08:33:45,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 558 states have (on average 1.896057347670251) internal successors, (1058), 559 states have internal predecessors, (1058), 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) [2022-01-18 08:33:45,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 1058 transitions. [2022-01-18 08:33:45,627 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 1058 transitions. Word has length 77 [2022-01-18 08:33:45,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:33:45,627 INFO L470 AbstractCegarLoop]: Abstraction has 560 states and 1058 transitions. [2022-01-18 08:33:45,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 6.413793103448276) internal successors, (186), 29 states have internal predecessors, (186), 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) [2022-01-18 08:33:45,627 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 1058 transitions. [2022-01-18 08:33:45,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-01-18 08:33:45,628 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:33:45,628 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:33:45,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-18 08:33:45,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:33:45,841 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 08:33:45,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:33:45,842 INFO L85 PathProgramCache]: Analyzing trace with hash 2110940374, now seen corresponding path program 2 times [2022-01-18 08:33:45,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:33:45,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790225231] [2022-01-18 08:33:45,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:33:45,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:33:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:33:46,117 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 08:33:46,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:33:46,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790225231] [2022-01-18 08:33:46,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790225231] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:33:46,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374385873] [2022-01-18 08:33:46,117 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-18 08:33:46,117 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:33:46,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:33:46,118 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:33:46,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-18 08:33:46,180 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-18 08:33:46,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 08:33:46,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 55 conjunts are in the unsatisfiable core [2022-01-18 08:33:46,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:33:46,231 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 08:33:46,231 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 08:33:46,394 INFO L353 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-01-18 08:33:46,394 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-01-18 08:33:46,562 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-01-18 08:33:46,780 INFO L353 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-01-18 08:33:46,780 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-01-18 08:33:46,831 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 15 [2022-01-18 08:33:46,967 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-01-18 08:33:46,967 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 27 [2022-01-18 08:33:47,028 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:33:47,029 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 18 [2022-01-18 08:33:47,046 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-18 08:33:47,046 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:33:47,080 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_247 (Array Int Int))) (not (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_247))) (= (select (select .cse0 |c_~#lock~0.base|) |c_~#lock~0.offset|) (select (select .cse0 |c_thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base|) |c_thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset|))))) is different from false [2022-01-18 08:33:47,176 INFO L353 Elim1Store]: treesize reduction 25, result has 40.5 percent of original size [2022-01-18 08:33:47,176 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 107 treesize of output 55 [2022-01-18 08:33:47,182 INFO L353 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2022-01-18 08:33:47,182 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 62 [2022-01-18 08:33:47,193 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:33:47,193 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 55 [2022-01-18 08:33:49,033 INFO L353 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2022-01-18 08:33:49,033 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 22 [2022-01-18 08:33:49,055 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 4 not checked. [2022-01-18 08:33:49,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1374385873] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:33:49,055 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:33:49,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 13, 13] total 37 [2022-01-18 08:33:49,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872201461] [2022-01-18 08:33:49,056 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:33:49,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-01-18 08:33:49,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:33:49,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-01-18 08:33:49,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=1032, Unknown=41, NotChecked=68, Total=1332 [2022-01-18 08:33:49,057 INFO L87 Difference]: Start difference. First operand 560 states and 1058 transitions. Second operand has 37 states, 37 states have (on average 5.108108108108108) internal successors, (189), 37 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:33:49,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:33:49,584 INFO L93 Difference]: Finished difference Result 532 states and 986 transitions. [2022-01-18 08:33:49,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 08:33:49,584 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 5.108108108108108) internal successors, (189), 37 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-01-18 08:33:49,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:33:49,587 INFO L225 Difference]: With dead ends: 532 [2022-01-18 08:33:49,587 INFO L226 Difference]: Without dead ends: 532 [2022-01-18 08:33:49,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 137 SyntacticMatches, 5 SemanticMatches, 48 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 651 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=475, Invalid=1830, Unknown=51, NotChecked=94, Total=2450 [2022-01-18 08:33:49,588 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 464 mSDsluCounter, 1126 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 1232 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 206 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 08:33:49,588 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [464 Valid, 1232 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 336 Invalid, 0 Unknown, 206 Unchecked, 0.1s Time] [2022-01-18 08:33:49,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2022-01-18 08:33:49,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 510. [2022-01-18 08:33:49,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 509 states have (on average 1.8722986247544204) internal successors, (953), 509 states have internal predecessors, (953), 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) [2022-01-18 08:33:49,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 953 transitions. [2022-01-18 08:33:49,598 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 953 transitions. Word has length 77 [2022-01-18 08:33:49,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:33:49,598 INFO L470 AbstractCegarLoop]: Abstraction has 510 states and 953 transitions. [2022-01-18 08:33:49,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 5.108108108108108) internal successors, (189), 37 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:33:49,598 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 953 transitions. [2022-01-18 08:33:49,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-01-18 08:33:49,599 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:33:49,599 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:33:49,620 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-18 08:33:49,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:33:49,820 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 08:33:49,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:33:49,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1857927326, now seen corresponding path program 1 times [2022-01-18 08:33:49,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:33:49,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385814218] [2022-01-18 08:33:49,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:33:49,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:33:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:33:49,867 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:33:49,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:33:49,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385814218] [2022-01-18 08:33:49,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385814218] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:33:49,868 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:33:49,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 08:33:49,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378798218] [2022-01-18 08:33:49,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:33:49,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 08:33:49,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:33:49,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 08:33:49,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-18 08:33:49,869 INFO L87 Difference]: Start difference. First operand 510 states and 953 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 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) [2022-01-18 08:33:49,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:33:49,902 INFO L93 Difference]: Finished difference Result 494 states and 923 transitions. [2022-01-18 08:33:49,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 08:33:49,902 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 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 78 [2022-01-18 08:33:49,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:33:49,903 INFO L225 Difference]: With dead ends: 494 [2022-01-18 08:33:49,903 INFO L226 Difference]: Without dead ends: 0 [2022-01-18 08:33:49,903 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:33:49,903 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 64 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:33:49,903 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 323 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 08:33:49,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-18 08:33:49,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-18 08:33:49,904 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) [2022-01-18 08:33:49,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-18 08:33:49,904 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2022-01-18 08:33:49,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:33:49,904 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-18 08:33:49,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 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) [2022-01-18 08:33:49,904 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-18 08:33:49,904 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-18 08:33:49,906 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-01-18 08:33:49,906 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-01-18 08:33:49,906 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2022-01-18 08:33:49,906 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2022-01-18 08:33:49,906 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2022-01-18 08:33:49,906 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-01-18 08:33:49,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-18 08:33:49,908 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1] [2022-01-18 08:33:49,909 INFO L308 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2022-01-18 08:33:49,911 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2022-01-18 08:33:49,911 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 [2022-01-18 08:33:49,911 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-18 08:33:49,912 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 85 places, 91 transitions, 187 flow [2022-01-18 08:33:49,917 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 438 states, 434 states have (on average 1.976958525345622) internal successors, (858), 437 states have internal predecessors, (858), 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) [2022-01-18 08:33:49,918 INFO L276 IsEmpty]: Start isEmpty. Operand has 438 states, 434 states have (on average 1.976958525345622) internal successors, (858), 437 states have internal predecessors, (858), 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) [2022-01-18 08:33:49,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-01-18 08:33:49,918 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:33:49,918 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:33:49,918 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 08:33:49,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:33:49,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1564261164, now seen corresponding path program 1 times [2022-01-18 08:33:49,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:33:49,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140714120] [2022-01-18 08:33:49,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:33:49,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:33:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 08:33:49,923 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 08:33:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 08:33:49,935 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 08:33:49,935 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 08:33:49,935 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 1 remaining) [2022-01-18 08:33:49,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-18 08:33:49,935 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-18 08:33:49,936 INFO L308 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (2/2) [2022-01-18 08:33:49,936 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-01-18 08:33:49,936 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-01-18 08:33:49,943 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,943 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,943 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,943 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,943 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,943 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,943 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,943 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,943 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,943 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,944 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,944 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,944 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,944 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,944 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,944 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,944 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,944 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,944 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,944 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,944 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,944 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,944 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,944 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,944 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,944 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,944 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,944 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,944 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_#in~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_#in~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_#in~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,946 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_#in~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,946 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,946 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,946 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,946 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,946 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,946 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,946 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,946 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,946 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,946 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,946 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,946 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,946 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,946 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,946 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,946 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,946 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,946 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,948 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,948 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,948 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,948 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,948 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,948 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,948 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,948 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,948 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,948 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_#in~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_#in~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_#in~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_#in~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,952 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,952 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,952 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,952 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,952 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,952 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,952 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,952 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,952 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,952 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,952 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,952 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,952 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,952 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_#in~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_#in~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_#in~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_#in~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_#in~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_#in~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_#in~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_#in~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,961 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,961 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,961 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_#in~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,961 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,961 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,961 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,961 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,961 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,961 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,961 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,961 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,961 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,961 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,961 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,961 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,961 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_#in~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,961 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,962 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_TAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,962 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,962 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,962 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,962 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,962 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_#in~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,962 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,962 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,962 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,962 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,962 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,962 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,962 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,963 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,963 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,963 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,963 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,963 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,963 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_#in~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,963 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,963 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,963 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,963 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,963 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,963 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_TAS_~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,963 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,963 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:33:49,963 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-18 08:33:49,964 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 08:33:49,964 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 [2022-01-18 08:33:49,964 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-01-18 08:33:49,965 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 139 places, 151 transitions, 314 flow [2022-01-18 08:33:50,625 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 38473 states, 38439 states have (on average 3.251697494731913) internal successors, (124992), 38472 states have internal predecessors, (124992), 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) [2022-01-18 08:33:50,674 INFO L276 IsEmpty]: Start isEmpty. Operand has 38473 states, 38439 states have (on average 3.251697494731913) internal successors, (124992), 38472 states have internal predecessors, (124992), 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) [2022-01-18 08:33:50,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 08:33:50,677 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:33:50,677 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] [2022-01-18 08:33:50,677 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:33:50,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:33:50,678 INFO L85 PathProgramCache]: Analyzing trace with hash -990971097, now seen corresponding path program 1 times [2022-01-18 08:33:50,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:33:50,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268229365] [2022-01-18 08:33:50,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:33:50,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:33:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:33:50,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:33:50,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:33:50,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268229365] [2022-01-18 08:33:50,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268229365] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:33:50,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:33:50,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 08:33:50,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108151551] [2022-01-18 08:33:50,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:33:50,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 08:33:50,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:33:50,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 08:33:50,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 08:33:50,735 INFO L87 Difference]: Start difference. First operand has 38473 states, 38439 states have (on average 3.251697494731913) internal successors, (124992), 38472 states have internal predecessors, (124992), 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 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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) [2022-01-18 08:33:50,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:33:50,967 INFO L93 Difference]: Finished difference Result 17272 states and 50820 transitions. [2022-01-18 08:33:50,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 08:33:50,968 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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 37 [2022-01-18 08:33:50,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:33:51,045 INFO L225 Difference]: With dead ends: 17272 [2022-01-18 08:33:51,045 INFO L226 Difference]: Without dead ends: 17272 [2022-01-18 08:33:51,045 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 08:33:51,045 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:33:51,046 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 08:33:51,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17272 states. [2022-01-18 08:33:51,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17272 to 17272. [2022-01-18 08:33:51,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17272 states, 17263 states have (on average 2.943868389040144) internal successors, (50820), 17271 states have internal predecessors, (50820), 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) [2022-01-18 08:33:51,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17272 states to 17272 states and 50820 transitions. [2022-01-18 08:33:51,517 INFO L78 Accepts]: Start accepts. Automaton has 17272 states and 50820 transitions. Word has length 37 [2022-01-18 08:33:51,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:33:51,518 INFO L470 AbstractCegarLoop]: Abstraction has 17272 states and 50820 transitions. [2022-01-18 08:33:51,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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) [2022-01-18 08:33:51,518 INFO L276 IsEmpty]: Start isEmpty. Operand 17272 states and 50820 transitions. [2022-01-18 08:33:51,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-18 08:33:51,519 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:33:51,519 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] [2022-01-18 08:33:51,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-18 08:33:51,519 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:33:51,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:33:51,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1803907595, now seen corresponding path program 1 times [2022-01-18 08:33:51,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:33:51,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132461854] [2022-01-18 08:33:51,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:33:51,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:33:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:33:51,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:33:51,558 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:33:51,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132461854] [2022-01-18 08:33:51,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132461854] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:33:51,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:33:51,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 08:33:51,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558703339] [2022-01-18 08:33:51,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:33:51,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 08:33:51,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:33:51,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 08:33:51,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-01-18 08:33:51,559 INFO L87 Difference]: Start difference. First operand 17272 states and 50820 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 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) [2022-01-18 08:33:51,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:33:51,997 INFO L93 Difference]: Finished difference Result 29128 states and 84913 transitions. [2022-01-18 08:33:51,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-18 08:33:51,998 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 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 39 [2022-01-18 08:33:51,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:33:52,070 INFO L225 Difference]: With dead ends: 29128 [2022-01-18 08:33:52,070 INFO L226 Difference]: Without dead ends: 29128 [2022-01-18 08:33:52,070 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2022-01-18 08:33:52,071 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 554 mSDsluCounter, 1215 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 1508 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:33:52,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [554 Valid, 1508 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 08:33:52,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29128 states. [2022-01-18 08:33:52,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29128 to 19240. [2022-01-18 08:33:52,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19240 states, 19231 states have (on average 2.959752482970204) internal successors, (56919), 19239 states have internal predecessors, (56919), 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) [2022-01-18 08:33:52,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19240 states to 19240 states and 56919 transitions. [2022-01-18 08:33:52,614 INFO L78 Accepts]: Start accepts. Automaton has 19240 states and 56919 transitions. Word has length 39 [2022-01-18 08:33:52,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:33:52,614 INFO L470 AbstractCegarLoop]: Abstraction has 19240 states and 56919 transitions. [2022-01-18 08:33:52,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 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) [2022-01-18 08:33:52,614 INFO L276 IsEmpty]: Start isEmpty. Operand 19240 states and 56919 transitions. [2022-01-18 08:33:52,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-01-18 08:33:52,617 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:33:52,617 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:33:52,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-18 08:33:52,617 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:33:52,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:33:52,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1186269392, now seen corresponding path program 1 times [2022-01-18 08:33:52,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:33:52,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459327188] [2022-01-18 08:33:52,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:33:52,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:33:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:33:52,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:33:52,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:33:52,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459327188] [2022-01-18 08:33:52,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459327188] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:33:52,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298718599] [2022-01-18 08:33:52,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:33:52,782 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:33:52,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:33:52,783 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:33:52,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-18 08:33:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:33:52,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 30 conjunts are in the unsatisfiable core [2022-01-18 08:33:52,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:33:52,924 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:33:52,925 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 08:33:53,052 INFO L353 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-01-18 08:33:53,053 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 51 [2022-01-18 08:33:53,056 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:33:53,060 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:33:53,107 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-01-18 08:33:53,117 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-18 08:33:53,119 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-01-18 08:33:53,156 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-01-18 08:33:53,267 INFO L353 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2022-01-18 08:33:53,267 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 23 [2022-01-18 08:33:53,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 08:33:53,286 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-18 08:33:53,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298718599] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:33:53,286 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-18 08:33:53,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [15] total 24 [2022-01-18 08:33:53,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140448103] [2022-01-18 08:33:53,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:33:53,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 08:33:53,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:33:53,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 08:33:53,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2022-01-18 08:33:53,287 INFO L87 Difference]: Start difference. First operand 19240 states and 56919 transitions. Second operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 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) [2022-01-18 08:33:53,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:33:53,800 INFO L93 Difference]: Finished difference Result 34373 states and 102801 transitions. [2022-01-18 08:33:53,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 08:33:53,801 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 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 45 [2022-01-18 08:33:53,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:33:53,883 INFO L225 Difference]: With dead ends: 34373 [2022-01-18 08:33:53,883 INFO L226 Difference]: Without dead ends: 34373 [2022-01-18 08:33:53,884 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=225, Invalid=897, Unknown=0, NotChecked=0, Total=1122 [2022-01-18 08:33:53,884 INFO L933 BasicCegarLoop]: 306 mSDtfsCounter, 622 mSDsluCounter, 1384 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 1666 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 157 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:33:53,884 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [622 Valid, 1666 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 336 Invalid, 0 Unknown, 157 Unchecked, 0.2s Time] [2022-01-18 08:33:53,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34373 states. [2022-01-18 08:33:54,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34373 to 25579. [2022-01-18 08:33:54,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25579 states, 25570 states have (on average 3.030191630817364) internal successors, (77482), 25578 states have internal predecessors, (77482), 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) [2022-01-18 08:33:54,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25579 states to 25579 states and 77482 transitions. [2022-01-18 08:33:54,495 INFO L78 Accepts]: Start accepts. Automaton has 25579 states and 77482 transitions. Word has length 45 [2022-01-18 08:33:54,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:33:54,495 INFO L470 AbstractCegarLoop]: Abstraction has 25579 states and 77482 transitions. [2022-01-18 08:33:54,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 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) [2022-01-18 08:33:54,495 INFO L276 IsEmpty]: Start isEmpty. Operand 25579 states and 77482 transitions. [2022-01-18 08:33:54,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-01-18 08:33:54,499 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:33:54,499 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:33:54,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-01-18 08:33:54,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-01-18 08:33:54,714 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:33:54,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:33:54,715 INFO L85 PathProgramCache]: Analyzing trace with hash -601149846, now seen corresponding path program 2 times [2022-01-18 08:33:54,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:33:54,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975415322] [2022-01-18 08:33:54,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:33:54,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:33:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:33:54,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:33:54,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:33:54,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975415322] [2022-01-18 08:33:54,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975415322] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:33:54,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289207531] [2022-01-18 08:33:54,916 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-18 08:33:54,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:33:54,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:33:54,917 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:33:54,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-18 08:33:54,968 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-18 08:33:54,968 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 08:33:54,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 46 conjunts are in the unsatisfiable core [2022-01-18 08:33:54,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:33:55,044 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 08:33:55,045 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 08:33:55,208 INFO L353 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-01-18 08:33:55,209 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-01-18 08:33:55,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 08:33:55,369 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-01-18 08:33:55,372 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:33:55,374 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-01-18 08:33:55,442 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2022-01-18 08:33:55,530 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:33:55,531 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 18 [2022-01-18 08:33:55,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 08:33:55,549 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:33:55,667 INFO L353 Elim1Store]: treesize reduction 13, result has 69.0 percent of original size [2022-01-18 08:33:55,667 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 160 treesize of output 134 [2022-01-18 08:33:55,676 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:33:55,676 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 508 treesize of output 496 [2022-01-18 08:33:55,690 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:33:55,691 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 404 treesize of output 365 [2022-01-18 08:33:55,709 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 422 treesize of output 412 [2022-01-18 08:33:56,409 INFO L353 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2022-01-18 08:33:56,410 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 22 [2022-01-18 08:33:56,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 08:33:56,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289207531] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:33:56,432 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:33:56,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 12] total 32 [2022-01-18 08:33:56,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40051858] [2022-01-18 08:33:56,432 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:33:56,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-01-18 08:33:56,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:33:56,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-01-18 08:33:56,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=845, Unknown=18, NotChecked=0, Total=992 [2022-01-18 08:33:56,433 INFO L87 Difference]: Start difference. First operand 25579 states and 77482 transitions. Second operand has 32 states, 32 states have (on average 3.21875) internal successors, (103), 32 states have internal predecessors, (103), 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) [2022-01-18 08:33:57,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:33:57,543 INFO L93 Difference]: Finished difference Result 42976 states and 129022 transitions. [2022-01-18 08:33:57,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-18 08:33:57,544 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 3.21875) internal successors, (103), 32 states have internal predecessors, (103), 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 45 [2022-01-18 08:33:57,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:33:57,630 INFO L225 Difference]: With dead ends: 42976 [2022-01-18 08:33:57,630 INFO L226 Difference]: Without dead ends: 42976 [2022-01-18 08:33:57,630 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 77 SyntacticMatches, 5 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 522 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=440, Invalid=1612, Unknown=18, NotChecked=0, Total=2070 [2022-01-18 08:33:57,631 INFO L933 BasicCegarLoop]: 424 mSDtfsCounter, 2348 mSDsluCounter, 6160 mSDsCounter, 0 mSdLazyCounter, 1145 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2348 SdHoareTripleChecker+Valid, 6525 SdHoareTripleChecker+Invalid, 1765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 1145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 515 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 08:33:57,631 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2348 Valid, 6525 Invalid, 1765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 1145 Invalid, 0 Unknown, 515 Unchecked, 0.5s Time] [2022-01-18 08:33:57,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42976 states. [2022-01-18 08:33:58,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42976 to 28890. [2022-01-18 08:33:58,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28890 states, 28881 states have (on average 3.0552266195768842) internal successors, (88238), 28889 states have internal predecessors, (88238), 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) [2022-01-18 08:33:58,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28890 states to 28890 states and 88238 transitions. [2022-01-18 08:33:58,318 INFO L78 Accepts]: Start accepts. Automaton has 28890 states and 88238 transitions. Word has length 45 [2022-01-18 08:33:58,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:33:58,318 INFO L470 AbstractCegarLoop]: Abstraction has 28890 states and 88238 transitions. [2022-01-18 08:33:58,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.21875) internal successors, (103), 32 states have internal predecessors, (103), 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) [2022-01-18 08:33:58,319 INFO L276 IsEmpty]: Start isEmpty. Operand 28890 states and 88238 transitions. [2022-01-18 08:33:58,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-01-18 08:33:58,321 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:33:58,322 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:33:58,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-01-18 08:33:58,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-01-18 08:33:58,535 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:33:58,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:33:58,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1887623252, now seen corresponding path program 3 times [2022-01-18 08:33:58,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:33:58,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29680235] [2022-01-18 08:33:58,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:33:58,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:33:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:33:58,738 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:33:58,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:33:58,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29680235] [2022-01-18 08:33:58,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29680235] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:33:58,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016245352] [2022-01-18 08:33:58,739 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-18 08:33:58,739 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:33:58,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:33:58,740 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:33:58,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-01-18 08:33:58,794 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-01-18 08:33:58,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 08:33:58,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 30 conjunts are in the unsatisfiable core [2022-01-18 08:33:58,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:33:58,868 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:33:58,868 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 08:33:58,975 INFO L353 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-01-18 08:33:58,975 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 51 [2022-01-18 08:33:58,978 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:33:58,987 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:33:59,053 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-18 08:33:59,056 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-01-18 08:33:59,066 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-01-18 08:33:59,192 INFO L353 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-01-18 08:33:59,192 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 36 [2022-01-18 08:33:59,200 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2022-01-18 08:33:59,225 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-01-18 08:33:59,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 08:33:59,243 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-18 08:33:59,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016245352] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:33:59,243 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-18 08:33:59,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [15] total 24 [2022-01-18 08:33:59,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984799008] [2022-01-18 08:33:59,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:33:59,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 08:33:59,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:33:59,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 08:33:59,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2022-01-18 08:33:59,244 INFO L87 Difference]: Start difference. First operand 28890 states and 88238 transitions. Second operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 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) [2022-01-18 08:33:59,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:33:59,808 INFO L93 Difference]: Finished difference Result 38394 states and 115852 transitions. [2022-01-18 08:33:59,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-18 08:33:59,808 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 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 45 [2022-01-18 08:33:59,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:33:59,882 INFO L225 Difference]: With dead ends: 38394 [2022-01-18 08:33:59,882 INFO L226 Difference]: Without dead ends: 38394 [2022-01-18 08:33:59,883 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=209, Invalid=913, Unknown=0, NotChecked=0, Total=1122 [2022-01-18 08:33:59,884 INFO L933 BasicCegarLoop]: 306 mSDtfsCounter, 901 mSDsluCounter, 1129 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 901 SdHoareTripleChecker+Valid, 1413 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 94 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:33:59,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [901 Valid, 1413 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 340 Invalid, 0 Unknown, 94 Unchecked, 0.2s Time] [2022-01-18 08:33:59,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38394 states. [2022-01-18 08:34:00,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38394 to 30350. [2022-01-18 08:34:00,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30350 states, 30341 states have (on average 3.057249266668864) internal successors, (92760), 30349 states have internal predecessors, (92760), 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) [2022-01-18 08:34:00,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30350 states to 30350 states and 92760 transitions. [2022-01-18 08:34:00,649 INFO L78 Accepts]: Start accepts. Automaton has 30350 states and 92760 transitions. Word has length 45 [2022-01-18 08:34:00,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:34:00,649 INFO L470 AbstractCegarLoop]: Abstraction has 30350 states and 92760 transitions. [2022-01-18 08:34:00,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 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) [2022-01-18 08:34:00,649 INFO L276 IsEmpty]: Start isEmpty. Operand 30350 states and 92760 transitions. [2022-01-18 08:34:00,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-01-18 08:34:00,652 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:34:00,652 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:34:00,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-01-18 08:34:00,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:34:00,872 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:34:00,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:34:00,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1473824232, now seen corresponding path program 1 times [2022-01-18 08:34:00,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:34:00,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672010771] [2022-01-18 08:34:00,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:34:00,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:34:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:34:00,905 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:34:00,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:34:00,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672010771] [2022-01-18 08:34:00,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672010771] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:34:00,905 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:34:00,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 08:34:00,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241041701] [2022-01-18 08:34:00,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:34:00,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 08:34:00,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:34:00,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 08:34:00,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-01-18 08:34:00,906 INFO L87 Difference]: Start difference. First operand 30350 states and 92760 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 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) [2022-01-18 08:34:01,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:34:01,276 INFO L93 Difference]: Finished difference Result 43346 states and 130867 transitions. [2022-01-18 08:34:01,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-18 08:34:01,276 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 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 46 [2022-01-18 08:34:01,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:34:01,376 INFO L225 Difference]: With dead ends: 43346 [2022-01-18 08:34:01,376 INFO L226 Difference]: Without dead ends: 43346 [2022-01-18 08:34:01,376 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2022-01-18 08:34:01,377 INFO L933 BasicCegarLoop]: 379 mSDtfsCounter, 483 mSDsluCounter, 1243 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 1615 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:34:01,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [483 Valid, 1615 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 08:34:01,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43346 states. [2022-01-18 08:34:02,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43346 to 32382. [2022-01-18 08:34:02,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32382 states, 32373 states have (on average 3.0654248911129645) internal successors, (99237), 32381 states have internal predecessors, (99237), 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) [2022-01-18 08:34:02,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32382 states to 32382 states and 99237 transitions. [2022-01-18 08:34:02,169 INFO L78 Accepts]: Start accepts. Automaton has 32382 states and 99237 transitions. Word has length 46 [2022-01-18 08:34:02,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:34:02,169 INFO L470 AbstractCegarLoop]: Abstraction has 32382 states and 99237 transitions. [2022-01-18 08:34:02,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 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) [2022-01-18 08:34:02,169 INFO L276 IsEmpty]: Start isEmpty. Operand 32382 states and 99237 transitions. [2022-01-18 08:34:02,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-01-18 08:34:02,173 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:34:02,173 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:34:02,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-18 08:34:02,174 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:34:02,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:34:02,174 INFO L85 PathProgramCache]: Analyzing trace with hash -198986523, now seen corresponding path program 1 times [2022-01-18 08:34:02,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:34:02,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129363797] [2022-01-18 08:34:02,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:34:02,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:34:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:34:02,379 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:34:02,379 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:34:02,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129363797] [2022-01-18 08:34:02,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129363797] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:34:02,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668323784] [2022-01-18 08:34:02,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:34:02,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:34:02,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:34:02,380 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:34:02,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-01-18 08:34:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:34:02,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 51 conjunts are in the unsatisfiable core [2022-01-18 08:34:02,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:34:02,515 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 08:34:02,516 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 08:34:02,660 INFO L353 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-01-18 08:34:02,661 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-01-18 08:34:02,708 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 15 [2022-01-18 08:34:02,768 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2022-01-18 08:34:02,865 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:34:02,865 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 18 [2022-01-18 08:34:02,882 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 08:34:02,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:34:03,006 INFO L353 Elim1Store]: treesize reduction 25, result has 40.5 percent of original size [2022-01-18 08:34:03,006 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 107 treesize of output 55 [2022-01-18 08:34:03,011 INFO L353 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2022-01-18 08:34:03,011 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 62 [2022-01-18 08:34:03,016 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:34:03,016 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 55 [2022-01-18 08:34:03,655 INFO L353 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2022-01-18 08:34:03,656 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 22 [2022-01-18 08:34:03,677 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 08:34:03,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668323784] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:34:03,677 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:34:03,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 12] total 32 [2022-01-18 08:34:03,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421950202] [2022-01-18 08:34:03,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:34:03,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-01-18 08:34:03,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:34:03,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-01-18 08:34:03,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=827, Unknown=36, NotChecked=0, Total=992 [2022-01-18 08:34:03,678 INFO L87 Difference]: Start difference. First operand 32382 states and 99237 transitions. Second operand has 32 states, 32 states have (on average 3.28125) internal successors, (105), 32 states have internal predecessors, (105), 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) [2022-01-18 08:34:04,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:34:04,639 INFO L93 Difference]: Finished difference Result 44941 states and 135311 transitions. [2022-01-18 08:34:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-18 08:34:04,641 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 3.28125) internal successors, (105), 32 states have internal predecessors, (105), 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 46 [2022-01-18 08:34:04,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:34:04,730 INFO L225 Difference]: With dead ends: 44941 [2022-01-18 08:34:04,731 INFO L226 Difference]: Without dead ends: 44941 [2022-01-18 08:34:04,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 75 SyntacticMatches, 10 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 529 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=435, Invalid=1506, Unknown=39, NotChecked=0, Total=1980 [2022-01-18 08:34:04,732 INFO L933 BasicCegarLoop]: 380 mSDtfsCounter, 1734 mSDsluCounter, 5636 mSDsCounter, 0 mSdLazyCounter, 933 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1734 SdHoareTripleChecker+Valid, 5952 SdHoareTripleChecker+Invalid, 1497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 503 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 08:34:04,732 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1734 Valid, 5952 Invalid, 1497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 933 Invalid, 0 Unknown, 503 Unchecked, 0.4s Time] [2022-01-18 08:34:04,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44941 states. [2022-01-18 08:34:05,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44941 to 32444. [2022-01-18 08:34:05,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32444 states, 32435 states have (on average 3.0653306613226454) internal successors, (99424), 32443 states have internal predecessors, (99424), 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) [2022-01-18 08:34:05,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32444 states to 32444 states and 99424 transitions. [2022-01-18 08:34:05,598 INFO L78 Accepts]: Start accepts. Automaton has 32444 states and 99424 transitions. Word has length 46 [2022-01-18 08:34:05,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:34:05,598 INFO L470 AbstractCegarLoop]: Abstraction has 32444 states and 99424 transitions. [2022-01-18 08:34:05,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.28125) internal successors, (105), 32 states have internal predecessors, (105), 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) [2022-01-18 08:34:05,598 INFO L276 IsEmpty]: Start isEmpty. Operand 32444 states and 99424 transitions. [2022-01-18 08:34:05,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-01-18 08:34:05,601 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:34:05,601 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] [2022-01-18 08:34:05,618 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-01-18 08:34:05,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-01-18 08:34:05,805 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:34:05,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:34:05,805 INFO L85 PathProgramCache]: Analyzing trace with hash -2083397992, now seen corresponding path program 1 times [2022-01-18 08:34:05,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:34:05,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25421610] [2022-01-18 08:34:05,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:34:05,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:34:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:34:05,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:34:05,831 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:34:05,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25421610] [2022-01-18 08:34:05,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25421610] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:34:05,831 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:34:05,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 08:34:05,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021656794] [2022-01-18 08:34:05,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:34:05,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 08:34:05,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:34:05,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 08:34:05,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 08:34:05,832 INFO L87 Difference]: Start difference. First operand 32444 states and 99424 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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) [2022-01-18 08:34:06,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:34:06,023 INFO L93 Difference]: Finished difference Result 41312 states and 125251 transitions. [2022-01-18 08:34:06,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 08:34:06,024 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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 46 [2022-01-18 08:34:06,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:34:06,112 INFO L225 Difference]: With dead ends: 41312 [2022-01-18 08:34:06,112 INFO L226 Difference]: Without dead ends: 41312 [2022-01-18 08:34:06,112 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-18 08:34:06,113 INFO L933 BasicCegarLoop]: 249 mSDtfsCounter, 325 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:34:06,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [325 Valid, 760 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 08:34:06,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41312 states. [2022-01-18 08:34:06,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41312 to 38752. [2022-01-18 08:34:06,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38752 states, 38743 states have (on average 3.046227705650053) internal successors, (118020), 38751 states have internal predecessors, (118020), 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) [2022-01-18 08:34:07,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38752 states to 38752 states and 118020 transitions. [2022-01-18 08:34:07,108 INFO L78 Accepts]: Start accepts. Automaton has 38752 states and 118020 transitions. Word has length 46 [2022-01-18 08:34:07,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:34:07,108 INFO L470 AbstractCegarLoop]: Abstraction has 38752 states and 118020 transitions. [2022-01-18 08:34:07,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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) [2022-01-18 08:34:07,108 INFO L276 IsEmpty]: Start isEmpty. Operand 38752 states and 118020 transitions. [2022-01-18 08:34:07,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-01-18 08:34:07,114 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:34:07,114 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:34:07,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-18 08:34:07,114 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:34:07,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:34:07,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1157346495, now seen corresponding path program 2 times [2022-01-18 08:34:07,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:34:07,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854568734] [2022-01-18 08:34:07,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:34:07,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:34:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:34:07,359 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-18 08:34:07,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:34:07,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854568734] [2022-01-18 08:34:07,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854568734] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:34:07,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601657893] [2022-01-18 08:34:07,360 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-18 08:34:07,360 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:34:07,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:34:07,361 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:34:07,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-01-18 08:34:07,427 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-18 08:34:07,427 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 08:34:07,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 30 conjunts are in the unsatisfiable core [2022-01-18 08:34:07,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:34:07,506 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:34:07,506 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 08:34:07,650 INFO L353 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-01-18 08:34:07,650 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 51 [2022-01-18 08:34:07,653 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:34:07,656 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:34:07,720 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-18 08:34:07,735 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-18 08:34:07,741 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-01-18 08:34:07,861 INFO L353 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-01-18 08:34:07,862 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 36 [2022-01-18 08:34:07,869 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2022-01-18 08:34:07,891 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-01-18 08:34:07,908 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-01-18 08:34:07,908 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-18 08:34:07,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601657893] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:34:07,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-18 08:34:07,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [15] total 24 [2022-01-18 08:34:07,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630541962] [2022-01-18 08:34:07,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:34:07,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 08:34:07,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:34:07,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 08:34:07,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=468, Unknown=0, NotChecked=0, Total=552 [2022-01-18 08:34:07,909 INFO L87 Difference]: Start difference. First operand 38752 states and 118020 transitions. Second operand has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 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) [2022-01-18 08:34:08,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:34:08,543 INFO L93 Difference]: Finished difference Result 51560 states and 156367 transitions. [2022-01-18 08:34:08,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-18 08:34:08,544 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 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 52 [2022-01-18 08:34:08,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:34:08,666 INFO L225 Difference]: With dead ends: 51560 [2022-01-18 08:34:08,666 INFO L226 Difference]: Without dead ends: 51560 [2022-01-18 08:34:08,666 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=912, Unknown=0, NotChecked=0, Total=1122 [2022-01-18 08:34:08,667 INFO L933 BasicCegarLoop]: 310 mSDtfsCounter, 869 mSDsluCounter, 1086 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 869 SdHoareTripleChecker+Valid, 1391 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 66 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:34:08,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [869 Valid, 1391 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 318 Invalid, 0 Unknown, 66 Unchecked, 0.2s Time] [2022-01-18 08:34:08,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51560 states. [2022-01-18 08:34:09,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51560 to 44714. [2022-01-18 08:34:09,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44714 states, 44705 states have (on average 3.0655407672519854) internal successors, (137045), 44713 states have internal predecessors, (137045), 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) [2022-01-18 08:34:09,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44714 states to 44714 states and 137045 transitions. [2022-01-18 08:34:09,624 INFO L78 Accepts]: Start accepts. Automaton has 44714 states and 137045 transitions. Word has length 52 [2022-01-18 08:34:09,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:34:09,624 INFO L470 AbstractCegarLoop]: Abstraction has 44714 states and 137045 transitions. [2022-01-18 08:34:09,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 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) [2022-01-18 08:34:09,624 INFO L276 IsEmpty]: Start isEmpty. Operand 44714 states and 137045 transitions. [2022-01-18 08:34:09,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-01-18 08:34:09,630 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:34:09,630 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:34:09,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-01-18 08:34:09,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:34:09,843 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:34:09,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:34:09,844 INFO L85 PathProgramCache]: Analyzing trace with hash 2026924653, now seen corresponding path program 3 times [2022-01-18 08:34:09,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:34:09,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170997187] [2022-01-18 08:34:09,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:34:09,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:34:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:34:10,039 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-18 08:34:10,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:34:10,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170997187] [2022-01-18 08:34:10,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170997187] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:34:10,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416807808] [2022-01-18 08:34:10,039 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-18 08:34:10,040 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:34:10,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:34:10,040 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:34:10,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-01-18 08:34:10,104 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-01-18 08:34:10,104 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 08:34:10,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 46 conjunts are in the unsatisfiable core [2022-01-18 08:34:10,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:34:10,175 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 08:34:10,175 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 08:34:10,391 INFO L353 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-01-18 08:34:10,391 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-01-18 08:34:10,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 08:34:10,437 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-01-18 08:34:10,440 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:34:10,442 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-01-18 08:34:10,550 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-01-18 08:34:10,550 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 27 [2022-01-18 08:34:10,612 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:34:10,612 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 18 [2022-01-18 08:34:10,631 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-18 08:34:10,631 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:34:10,758 INFO L353 Elim1Store]: treesize reduction 13, result has 69.0 percent of original size [2022-01-18 08:34:10,758 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 160 treesize of output 134 [2022-01-18 08:34:10,764 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:34:10,764 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 85 [2022-01-18 08:34:10,773 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:34:10,773 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 361 treesize of output 353 [2022-01-18 08:34:10,783 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:34:10,784 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 268 treesize of output 245 [2022-01-18 08:34:10,793 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:34:10,793 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 265 treesize of output 257 [2022-01-18 08:34:10,884 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-01-18 08:34:11,753 INFO L353 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2022-01-18 08:34:11,754 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 22 [2022-01-18 08:34:11,774 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-18 08:34:11,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1416807808] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:34:11,774 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:34:11,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 12] total 32 [2022-01-18 08:34:11,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076225928] [2022-01-18 08:34:11,774 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:34:11,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-01-18 08:34:11,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:34:11,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-01-18 08:34:11,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=812, Unknown=49, NotChecked=0, Total=992 [2022-01-18 08:34:11,775 INFO L87 Difference]: Start difference. First operand 44714 states and 137045 transitions. Second operand has 32 states, 32 states have (on average 3.5625) internal successors, (114), 32 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:34:15,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:34:15,295 INFO L93 Difference]: Finished difference Result 66143 states and 201092 transitions. [2022-01-18 08:34:15,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-01-18 08:34:15,298 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 3.5625) internal successors, (114), 32 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-01-18 08:34:15,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:34:15,449 INFO L225 Difference]: With dead ends: 66143 [2022-01-18 08:34:15,449 INFO L226 Difference]: Without dead ends: 66143 [2022-01-18 08:34:15,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 93 SyntacticMatches, 26 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2953 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1439, Invalid=6117, Unknown=100, NotChecked=0, Total=7656 [2022-01-18 08:34:15,451 INFO L933 BasicCegarLoop]: 378 mSDtfsCounter, 3035 mSDsluCounter, 6807 mSDsCounter, 0 mSdLazyCounter, 1797 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3035 SdHoareTripleChecker+Valid, 7180 SdHoareTripleChecker+Invalid, 3311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 1797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1307 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 08:34:15,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3035 Valid, 7180 Invalid, 3311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 1797 Invalid, 0 Unknown, 1307 Unchecked, 0.8s Time] [2022-01-18 08:34:15,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66143 states. [2022-01-18 08:34:16,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66143 to 50504. [2022-01-18 08:34:16,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50504 states, 50495 states have (on average 3.0945440142588376) internal successors, (156259), 50503 states have internal predecessors, (156259), 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) [2022-01-18 08:34:16,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50504 states to 50504 states and 156259 transitions. [2022-01-18 08:34:16,650 INFO L78 Accepts]: Start accepts. Automaton has 50504 states and 156259 transitions. Word has length 52 [2022-01-18 08:34:16,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:34:16,650 INFO L470 AbstractCegarLoop]: Abstraction has 50504 states and 156259 transitions. [2022-01-18 08:34:16,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.5625) internal successors, (114), 32 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:34:16,650 INFO L276 IsEmpty]: Start isEmpty. Operand 50504 states and 156259 transitions. [2022-01-18 08:34:16,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-01-18 08:34:16,659 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:34:16,659 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:34:16,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-01-18 08:34:16,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-01-18 08:34:16,859 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:34:16,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:34:16,860 INFO L85 PathProgramCache]: Analyzing trace with hash -2135444765, now seen corresponding path program 1 times [2022-01-18 08:34:16,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:34:16,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855280515] [2022-01-18 08:34:16,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:34:16,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:34:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:34:17,040 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:34:17,040 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:34:17,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855280515] [2022-01-18 08:34:17,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855280515] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:34:17,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970570047] [2022-01-18 08:34:17,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:34:17,040 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:34:17,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:34:17,041 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:34:17,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-01-18 08:34:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:34:17,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 30 conjunts are in the unsatisfiable core [2022-01-18 08:34:17,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:34:17,178 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:34:17,178 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 08:34:17,283 INFO L353 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-01-18 08:34:17,283 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 51 [2022-01-18 08:34:17,286 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:34:17,289 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:34:17,331 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-01-18 08:34:17,341 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-18 08:34:17,344 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-01-18 08:34:17,372 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-01-18 08:34:17,520 INFO L353 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2022-01-18 08:34:17,521 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 23 [2022-01-18 08:34:17,538 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 08:34:17,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:34:17,608 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_578 (Array Int Int)) (|thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base| Int) (|thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset| Int)) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_578))) (let ((.cse0 (select (select .cse1 |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base|) |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset|))) (or (= .cse0 1) (not (= (select (select .cse1 |c_~#lock~0.base|) |c_~#lock~0.offset|) .cse0)))))) is different from false [2022-01-18 08:34:17,619 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:34:17,619 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 732 treesize of output 718 [2022-01-18 08:34:17,643 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:34:17,644 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 710 treesize of output 646 [2022-01-18 08:34:17,651 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 684 treesize of output 672 [2022-01-18 08:34:17,673 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 583 treesize of output 573 [2022-01-18 08:34:18,332 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-01-18 08:34:18,332 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-01-18 08:34:18,349 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 1 not checked. [2022-01-18 08:34:18,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970570047] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:34:18,349 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:34:18,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 11] total 30 [2022-01-18 08:34:18,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334027173] [2022-01-18 08:34:18,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:34:18,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-01-18 08:34:18,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:34:18,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-01-18 08:34:18,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=699, Unknown=1, NotChecked=54, Total=870 [2022-01-18 08:34:18,350 INFO L87 Difference]: Start difference. First operand 50504 states and 156259 transitions. Second operand has 30 states, 30 states have (on average 4.1) internal successors, (123), 30 states have internal predecessors, (123), 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) [2022-01-18 08:34:19,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:34:19,606 INFO L93 Difference]: Finished difference Result 64079 states and 195583 transitions. [2022-01-18 08:34:19,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-18 08:34:19,607 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 4.1) internal successors, (123), 30 states have internal predecessors, (123), 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 52 [2022-01-18 08:34:19,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:34:19,955 INFO L225 Difference]: With dead ends: 64079 [2022-01-18 08:34:19,955 INFO L226 Difference]: Without dead ends: 64079 [2022-01-18 08:34:19,955 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 90 SyntacticMatches, 3 SemanticMatches, 52 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 705 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=645, Invalid=2114, Unknown=1, NotChecked=102, Total=2862 [2022-01-18 08:34:19,956 INFO L933 BasicCegarLoop]: 446 mSDtfsCounter, 1795 mSDsluCounter, 5915 mSDsCounter, 0 mSdLazyCounter, 1238 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1795 SdHoareTripleChecker+Valid, 6305 SdHoareTripleChecker+Invalid, 2209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 1238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 846 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 08:34:19,956 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1795 Valid, 6305 Invalid, 2209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 1238 Invalid, 0 Unknown, 846 Unchecked, 0.5s Time] [2022-01-18 08:34:20,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64079 states. [2022-01-18 08:34:20,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64079 to 50576. [2022-01-18 08:34:20,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50576 states, 50567 states have (on average 3.0944093974331084) internal successors, (156475), 50575 states have internal predecessors, (156475), 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) [2022-01-18 08:34:20,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50576 states to 50576 states and 156475 transitions. [2022-01-18 08:34:20,977 INFO L78 Accepts]: Start accepts. Automaton has 50576 states and 156475 transitions. Word has length 52 [2022-01-18 08:34:20,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:34:20,977 INFO L470 AbstractCegarLoop]: Abstraction has 50576 states and 156475 transitions. [2022-01-18 08:34:20,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.1) internal successors, (123), 30 states have internal predecessors, (123), 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) [2022-01-18 08:34:20,977 INFO L276 IsEmpty]: Start isEmpty. Operand 50576 states and 156475 transitions. [2022-01-18 08:34:20,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-01-18 08:34:20,986 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:34:20,986 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:34:21,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-01-18 08:34:21,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-01-18 08:34:21,186 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:34:21,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:34:21,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1400372313, now seen corresponding path program 2 times [2022-01-18 08:34:21,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:34:21,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371842512] [2022-01-18 08:34:21,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:34:21,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:34:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:34:21,357 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:34:21,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:34:21,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371842512] [2022-01-18 08:34:21,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371842512] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:34:21,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721157467] [2022-01-18 08:34:21,358 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-18 08:34:21,358 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:34:21,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:34:21,359 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:34:21,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-01-18 08:34:21,420 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-18 08:34:21,421 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 08:34:21,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 30 conjunts are in the unsatisfiable core [2022-01-18 08:34:21,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:34:21,486 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:34:21,486 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 08:34:21,584 INFO L353 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-01-18 08:34:21,585 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 51 [2022-01-18 08:34:21,590 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:34:21,593 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:34:21,634 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-01-18 08:34:21,649 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-18 08:34:21,652 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-01-18 08:34:21,680 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-01-18 08:34:21,837 INFO L353 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2022-01-18 08:34:21,838 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 23 [2022-01-18 08:34:21,865 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 08:34:21,866 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:34:21,928 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_615 (Array Int Int)) (|thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base| Int) (|thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset| Int)) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_615))) (let ((.cse1 (select (select .cse0 |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base|) |thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset|))) (or (not (= (select (select .cse0 |c_~#lock~0.base|) |c_~#lock~0.offset|) .cse1)) (= 1 .cse1))))) is different from false [2022-01-18 08:34:21,937 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:34:21,938 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 732 treesize of output 718 [2022-01-18 08:34:21,942 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 760 treesize of output 748 [2022-01-18 08:34:21,959 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:34:21,959 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 730 treesize of output 662 [2022-01-18 08:34:21,966 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 583 treesize of output 573 [2022-01-18 08:34:22,506 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-01-18 08:34:22,506 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-01-18 08:34:22,523 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 1 not checked. [2022-01-18 08:34:22,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721157467] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:34:22,523 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:34:22,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 11] total 30 [2022-01-18 08:34:22,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321654966] [2022-01-18 08:34:22,523 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:34:22,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-01-18 08:34:22,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:34:22,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-01-18 08:34:22,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=699, Unknown=1, NotChecked=54, Total=870 [2022-01-18 08:34:22,524 INFO L87 Difference]: Start difference. First operand 50576 states and 156475 transitions. Second operand has 30 states, 30 states have (on average 3.9) internal successors, (117), 30 states have internal predecessors, (117), 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) [2022-01-18 08:34:24,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:34:24,077 INFO L93 Difference]: Finished difference Result 81159 states and 247211 transitions. [2022-01-18 08:34:24,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 08:34:24,078 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.9) internal successors, (117), 30 states have internal predecessors, (117), 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 52 [2022-01-18 08:34:24,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:34:24,275 INFO L225 Difference]: With dead ends: 81159 [2022-01-18 08:34:24,275 INFO L226 Difference]: Without dead ends: 81159 [2022-01-18 08:34:24,276 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 90 SyntacticMatches, 3 SemanticMatches, 54 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 781 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=661, Invalid=2312, Unknown=1, NotChecked=106, Total=3080 [2022-01-18 08:34:24,276 INFO L933 BasicCegarLoop]: 468 mSDtfsCounter, 2471 mSDsluCounter, 5607 mSDsCounter, 0 mSdLazyCounter, 1282 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2471 SdHoareTripleChecker+Valid, 6009 SdHoareTripleChecker+Invalid, 2454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 1282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1018 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 08:34:24,277 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2471 Valid, 6009 Invalid, 2454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 1282 Invalid, 0 Unknown, 1018 Unchecked, 0.5s Time] [2022-01-18 08:34:24,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81159 states. [2022-01-18 08:34:25,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81159 to 50114. [2022-01-18 08:34:25,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50114 states, 50105 states have (on average 3.095619199680671) internal successors, (155106), 50113 states have internal predecessors, (155106), 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) [2022-01-18 08:34:25,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50114 states to 50114 states and 155106 transitions. [2022-01-18 08:34:25,491 INFO L78 Accepts]: Start accepts. Automaton has 50114 states and 155106 transitions. Word has length 52 [2022-01-18 08:34:25,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:34:25,491 INFO L470 AbstractCegarLoop]: Abstraction has 50114 states and 155106 transitions. [2022-01-18 08:34:25,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 3.9) internal successors, (117), 30 states have internal predecessors, (117), 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) [2022-01-18 08:34:25,492 INFO L276 IsEmpty]: Start isEmpty. Operand 50114 states and 155106 transitions. [2022-01-18 08:34:25,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-01-18 08:34:25,500 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:34:25,500 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:34:25,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-01-18 08:34:25,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-01-18 08:34:25,700 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:34:25,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:34:25,701 INFO L85 PathProgramCache]: Analyzing trace with hash 866639028, now seen corresponding path program 2 times [2022-01-18 08:34:25,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:34:25,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571150713] [2022-01-18 08:34:25,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:34:25,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:34:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:34:25,947 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:34:25,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:34:25,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571150713] [2022-01-18 08:34:25,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571150713] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:34:25,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608049250] [2022-01-18 08:34:25,947 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-18 08:34:25,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:34:25,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:34:25,948 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:34:25,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-01-18 08:34:26,014 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-18 08:34:26,014 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 08:34:26,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 52 conjunts are in the unsatisfiable core [2022-01-18 08:34:26,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:34:26,087 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 08:34:26,087 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 08:34:26,232 INFO L353 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-01-18 08:34:26,232 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-01-18 08:34:26,271 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 15 [2022-01-18 08:34:26,342 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2022-01-18 08:34:26,513 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-01-18 08:34:26,514 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 32 [2022-01-18 08:34:26,547 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:34:26,547 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 18 [2022-01-18 08:34:26,566 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 08:34:26,567 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:34:26,576 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_656 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_656) |c_~#lock~0.base|) |c_~#lock~0.offset|) |c_thr1Thread1of2ForFork0_acquire_lock_#t~mem5#1|))) is different from false [2022-01-18 08:34:26,579 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_656 (Array Int Int))) (not (= (select (select |c_#memory_int| |c_thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base|) |c_thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_656) |c_~#lock~0.base|) |c_~#lock~0.offset|)))) is different from false [2022-01-18 08:34:26,586 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_656 (Array Int Int))) (not (= (select (select |c_#memory_int| |c_thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base|) |c_thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_656) |c_~#lock~0.base|) |c_~#lock~0.offset|)))) (= |c_thr1Thread1of2ForFork0_acquire_lock_#t~mem4#1| 1)) is different from false [2022-01-18 08:34:26,613 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_656 (Array Int Int)) (v_ArrVal_655 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_656) |c_~#lock~0.base|) |c_~#lock~0.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_655) |c_thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base|) |c_thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset|)))) (= |c_thr1Thread1of2ForFork0_acquire_lock_#t~mem4#1| 1)) is different from false [2022-01-18 08:34:26,618 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_656 (Array Int Int)) (v_ArrVal_655 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_656) |c_~#lock~0.base|) |c_~#lock~0.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_655) |c_thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base|) |c_thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset|)))) (= (select (select |c_#memory_int| |c_thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base|) |c_thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset|) 1)) is different from false [2022-01-18 08:34:26,631 INFO L353 Elim1Store]: treesize reduction 25, result has 40.5 percent of original size [2022-01-18 08:34:26,631 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 107 treesize of output 55 [2022-01-18 08:34:26,636 INFO L353 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2022-01-18 08:34:26,636 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 62 [2022-01-18 08:34:26,639 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 50 [2022-01-18 08:34:26,641 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 46 [2022-01-18 08:34:27,360 INFO L353 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2022-01-18 08:34:27,360 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 22 [2022-01-18 08:34:27,379 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 12 not checked. [2022-01-18 08:34:27,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608049250] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:34:27,379 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:34:27,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 13] total 35 [2022-01-18 08:34:27,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545624720] [2022-01-18 08:34:27,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:34:27,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-01-18 08:34:27,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:34:27,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-01-18 08:34:27,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=753, Unknown=5, NotChecked=300, Total=1190 [2022-01-18 08:34:27,380 INFO L87 Difference]: Start difference. First operand 50114 states and 155106 transitions. Second operand has 35 states, 35 states have (on average 3.6) internal successors, (126), 35 states have internal predecessors, (126), 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) [2022-01-18 08:34:28,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:34:28,483 INFO L93 Difference]: Finished difference Result 61298 states and 187409 transitions. [2022-01-18 08:34:28,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-01-18 08:34:28,484 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.6) internal successors, (126), 35 states have internal predecessors, (126), 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 52 [2022-01-18 08:34:28,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:34:28,621 INFO L225 Difference]: With dead ends: 61298 [2022-01-18 08:34:28,621 INFO L226 Difference]: Without dead ends: 61298 [2022-01-18 08:34:28,621 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 93 SyntacticMatches, 5 SemanticMatches, 44 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 391 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=333, Invalid=1322, Unknown=5, NotChecked=410, Total=2070 [2022-01-18 08:34:28,622 INFO L933 BasicCegarLoop]: 410 mSDtfsCounter, 2501 mSDsluCounter, 6061 mSDsCounter, 0 mSdLazyCounter, 1384 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2501 SdHoareTripleChecker+Valid, 6429 SdHoareTripleChecker+Invalid, 4448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2976 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 08:34:28,622 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2501 Valid, 6429 Invalid, 4448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1384 Invalid, 0 Unknown, 2976 Unchecked, 0.5s Time] [2022-01-18 08:34:28,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61298 states. [2022-01-18 08:34:29,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61298 to 50178. [2022-01-18 08:34:29,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50178 states, 50169 states have (on average 3.0953776236321233) internal successors, (155292), 50177 states have internal predecessors, (155292), 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) [2022-01-18 08:34:29,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50178 states to 50178 states and 155292 transitions. [2022-01-18 08:34:29,800 INFO L78 Accepts]: Start accepts. Automaton has 50178 states and 155292 transitions. Word has length 52 [2022-01-18 08:34:29,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:34:29,800 INFO L470 AbstractCegarLoop]: Abstraction has 50178 states and 155292 transitions. [2022-01-18 08:34:29,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 3.6) internal successors, (126), 35 states have internal predecessors, (126), 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) [2022-01-18 08:34:29,800 INFO L276 IsEmpty]: Start isEmpty. Operand 50178 states and 155292 transitions. [2022-01-18 08:34:29,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-01-18 08:34:29,808 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:34:29,809 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:34:29,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-01-18 08:34:30,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-01-18 08:34:30,019 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:34:30,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:34:30,020 INFO L85 PathProgramCache]: Analyzing trace with hash 836484252, now seen corresponding path program 3 times [2022-01-18 08:34:30,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:34:30,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654941060] [2022-01-18 08:34:30,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:34:30,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:34:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:34:30,250 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:34:30,251 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:34:30,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654941060] [2022-01-18 08:34:30,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654941060] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:34:30,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721083067] [2022-01-18 08:34:30,251 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-18 08:34:30,251 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:34:30,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:34:30,252 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:34:30,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-01-18 08:34:30,316 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-01-18 08:34:30,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 08:34:30,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 47 conjunts are in the unsatisfiable core [2022-01-18 08:34:30,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:34:30,393 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 08:34:30,393 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 08:34:30,530 INFO L353 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-01-18 08:34:30,531 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-01-18 08:34:30,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 08:34:30,572 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-01-18 08:34:30,574 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:34:30,577 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-01-18 08:34:30,648 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2022-01-18 08:34:30,807 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-01-18 08:34:30,808 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 32 [2022-01-18 08:34:30,841 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:34:30,842 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 18 [2022-01-18 08:34:30,860 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 08:34:30,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:34:30,868 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_696 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_696) |c_~#lock~0.base|) |c_~#lock~0.offset|) |c_thr1Thread1of2ForFork0_acquire_lock_#t~mem5#1|))) is different from false [2022-01-18 08:34:30,886 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_696 (Array Int Int))) (not (= (select (select |c_#memory_int| |c_thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base|) |c_thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_696) |c_~#lock~0.base|) |c_~#lock~0.offset|)))) is different from false [2022-01-18 08:34:30,892 WARN L838 $PredicateComparison]: unable to prove that (or (= |c_thr1Thread1of2ForFork0_acquire_lock_#t~mem4#1| 1) (forall ((v_ArrVal_696 (Array Int Int))) (not (= (select (select |c_#memory_int| |c_thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base|) |c_thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_696) |c_~#lock~0.base|) |c_~#lock~0.offset|))))) is different from false [2022-01-18 08:34:30,906 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_696 (Array Int Int)) (v_ArrVal_695 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_696) |c_~#lock~0.base|) |c_~#lock~0.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_695) |c_thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base|) |c_thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset|)))) (= |c_thr1Thread1of2ForFork0_acquire_lock_#t~mem4#1| 1)) is different from false [2022-01-18 08:34:30,912 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_696 (Array Int Int)) (v_ArrVal_695 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_696) |c_~#lock~0.base|) |c_~#lock~0.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_695) |c_thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base|) |c_thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset|)))) (= (select (select |c_#memory_int| |c_thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.base|) |c_thr1Thread1of2ForFork0_acquire_lock_~#cond~0#1.offset|) 1)) is different from false [2022-01-18 08:34:30,936 INFO L353 Elim1Store]: treesize reduction 13, result has 69.0 percent of original size [2022-01-18 08:34:30,937 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 160 treesize of output 134 [2022-01-18 08:34:30,941 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:34:30,941 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 85 [2022-01-18 08:34:30,950 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:34:30,950 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 507 treesize of output 495 [2022-01-18 08:34:30,957 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 406 treesize of output 382 [2022-01-18 08:34:30,966 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:34:30,966 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 411 treesize of output 403 [2022-01-18 08:34:30,974 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 370 treesize of output 346 [2022-01-18 08:34:31,745 INFO L353 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2022-01-18 08:34:31,746 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 22 [2022-01-18 08:34:31,765 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 12 not checked. [2022-01-18 08:34:31,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721083067] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:34:31,765 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:34:31,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 13] total 35 [2022-01-18 08:34:31,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158174553] [2022-01-18 08:34:31,766 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:34:31,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-01-18 08:34:31,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:34:31,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-01-18 08:34:31,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=753, Unknown=5, NotChecked=300, Total=1190 [2022-01-18 08:34:31,767 INFO L87 Difference]: Start difference. First operand 50178 states and 155292 transitions. Second operand has 35 states, 35 states have (on average 3.6) internal successors, (126), 35 states have internal predecessors, (126), 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) [2022-01-18 08:34:32,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:34:32,922 INFO L93 Difference]: Finished difference Result 60628 states and 185319 transitions. [2022-01-18 08:34:32,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-18 08:34:32,922 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.6) internal successors, (126), 35 states have internal predecessors, (126), 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 52 [2022-01-18 08:34:32,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:34:33,067 INFO L225 Difference]: With dead ends: 60628 [2022-01-18 08:34:33,067 INFO L226 Difference]: Without dead ends: 60628 [2022-01-18 08:34:33,068 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 92 SyntacticMatches, 7 SemanticMatches, 45 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 405 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=386, Invalid=1351, Unknown=5, NotChecked=420, Total=2162 [2022-01-18 08:34:33,068 INFO L933 BasicCegarLoop]: 410 mSDtfsCounter, 1737 mSDsluCounter, 5939 mSDsCounter, 0 mSdLazyCounter, 1385 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1737 SdHoareTripleChecker+Valid, 6294 SdHoareTripleChecker+Invalid, 4531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3088 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 08:34:33,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1737 Valid, 6294 Invalid, 4531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1385 Invalid, 0 Unknown, 3088 Unchecked, 0.5s Time] [2022-01-18 08:34:33,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60628 states. [2022-01-18 08:34:33,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60628 to 50118. [2022-01-18 08:34:33,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50118 states, 50109 states have (on average 3.0954918278153625) internal successors, (155112), 50117 states have internal predecessors, (155112), 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) [2022-01-18 08:34:34,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50118 states to 50118 states and 155112 transitions. [2022-01-18 08:34:34,314 INFO L78 Accepts]: Start accepts. Automaton has 50118 states and 155112 transitions. Word has length 52 [2022-01-18 08:34:34,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:34:34,314 INFO L470 AbstractCegarLoop]: Abstraction has 50118 states and 155112 transitions. [2022-01-18 08:34:34,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 3.6) internal successors, (126), 35 states have internal predecessors, (126), 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) [2022-01-18 08:34:34,314 INFO L276 IsEmpty]: Start isEmpty. Operand 50118 states and 155112 transitions. [2022-01-18 08:34:34,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-01-18 08:34:34,322 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:34:34,323 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:34:34,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-01-18 08:34:34,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:34:34,523 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:34:34,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:34:34,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1175047680, now seen corresponding path program 1 times [2022-01-18 08:34:34,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:34:34,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773179438] [2022-01-18 08:34:34,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:34:34,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:34:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:34:34,549 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:34:34,549 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:34:34,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773179438] [2022-01-18 08:34:34,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773179438] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:34:34,549 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:34:34,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 08:34:34,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152886363] [2022-01-18 08:34:34,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:34:34,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 08:34:34,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:34:34,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 08:34:34,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 08:34:34,550 INFO L87 Difference]: Start difference. First operand 50118 states and 155112 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) [2022-01-18 08:34:34,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:34:34,807 INFO L93 Difference]: Finished difference Result 54234 states and 166987 transitions. [2022-01-18 08:34:34,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 08:34:34,807 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 53 [2022-01-18 08:34:34,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:34:34,932 INFO L225 Difference]: With dead ends: 54234 [2022-01-18 08:34:34,932 INFO L226 Difference]: Without dead ends: 54234 [2022-01-18 08:34:34,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-18 08:34:34,932 INFO L933 BasicCegarLoop]: 253 mSDtfsCounter, 312 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:34:34,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [312 Valid, 773 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 08:34:35,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54234 states. [2022-01-18 08:34:35,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54234 to 52462. [2022-01-18 08:34:35,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52462 states, 52453 states have (on average 3.0867633881760814) internal successors, (161910), 52461 states have internal predecessors, (161910), 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) [2022-01-18 08:34:35,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52462 states to 52462 states and 161910 transitions. [2022-01-18 08:34:35,955 INFO L78 Accepts]: Start accepts. Automaton has 52462 states and 161910 transitions. Word has length 53 [2022-01-18 08:34:35,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:34:35,955 INFO L470 AbstractCegarLoop]: Abstraction has 52462 states and 161910 transitions. [2022-01-18 08:34:35,955 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) [2022-01-18 08:34:35,955 INFO L276 IsEmpty]: Start isEmpty. Operand 52462 states and 161910 transitions. [2022-01-18 08:34:35,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-18 08:34:35,966 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:34:35,966 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:34:35,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-01-18 08:34:35,966 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:34:35,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:34:35,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1368861681, now seen corresponding path program 1 times [2022-01-18 08:34:35,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:34:35,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977057053] [2022-01-18 08:34:35,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:34:35,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:34:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:34:36,049 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:34:36,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:34:36,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977057053] [2022-01-18 08:34:36,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977057053] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:34:36,049 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:34:36,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-18 08:34:36,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590255533] [2022-01-18 08:34:36,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:34:36,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 08:34:36,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:34:36,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 08:34:36,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-01-18 08:34:36,050 INFO L87 Difference]: Start difference. First operand 52462 states and 161910 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:34:37,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:34:37,211 INFO L93 Difference]: Finished difference Result 81746 states and 249474 transitions. [2022-01-18 08:34:37,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 08:34:37,211 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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 54 [2022-01-18 08:34:37,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:34:37,411 INFO L225 Difference]: With dead ends: 81746 [2022-01-18 08:34:37,412 INFO L226 Difference]: Without dead ends: 81746 [2022-01-18 08:34:37,412 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=336, Invalid=924, Unknown=0, NotChecked=0, Total=1260 [2022-01-18 08:34:37,412 INFO L933 BasicCegarLoop]: 388 mSDtfsCounter, 1008 mSDsluCounter, 2318 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1008 SdHoareTripleChecker+Valid, 2700 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 08:34:37,412 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1008 Valid, 2700 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 08:34:37,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81746 states. [2022-01-18 08:34:38,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81746 to 57158. [2022-01-18 08:34:38,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57158 states, 57149 states have (on average 3.0942623667955695) internal successors, (176834), 57157 states have internal predecessors, (176834), 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) [2022-01-18 08:34:39,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57158 states to 57158 states and 176834 transitions. [2022-01-18 08:34:39,031 INFO L78 Accepts]: Start accepts. Automaton has 57158 states and 176834 transitions. Word has length 54 [2022-01-18 08:34:39,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:34:39,031 INFO L470 AbstractCegarLoop]: Abstraction has 57158 states and 176834 transitions. [2022-01-18 08:34:39,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:34:39,031 INFO L276 IsEmpty]: Start isEmpty. Operand 57158 states and 176834 transitions. [2022-01-18 08:34:39,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-18 08:34:39,042 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:34:39,042 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:34:39,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-01-18 08:34:39,042 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:34:39,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:34:39,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1255673649, now seen corresponding path program 2 times [2022-01-18 08:34:39,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:34:39,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725667499] [2022-01-18 08:34:39,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:34:39,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:34:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:34:39,163 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:34:39,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:34:39,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725667499] [2022-01-18 08:34:39,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725667499] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:34:39,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:34:39,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-18 08:34:39,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482021965] [2022-01-18 08:34:39,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:34:39,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 08:34:39,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:34:39,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 08:34:39,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-01-18 08:34:39,164 INFO L87 Difference]: Start difference. First operand 57158 states and 176834 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:34:40,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:34:40,116 INFO L93 Difference]: Finished difference Result 94312 states and 290407 transitions. [2022-01-18 08:34:40,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-18 08:34:40,116 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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 54 [2022-01-18 08:34:40,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:34:40,343 INFO L225 Difference]: With dead ends: 94312 [2022-01-18 08:34:40,343 INFO L226 Difference]: Without dead ends: 94312 [2022-01-18 08:34:40,344 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=283, Invalid=839, Unknown=0, NotChecked=0, Total=1122 [2022-01-18 08:34:40,344 INFO L933 BasicCegarLoop]: 379 mSDtfsCounter, 859 mSDsluCounter, 2299 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 859 SdHoareTripleChecker+Valid, 2673 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:34:40,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [859 Valid, 2673 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:34:40,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94312 states. [2022-01-18 08:34:41,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94312 to 62654. [2022-01-18 08:34:41,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62654 states, 62645 states have (on average 3.1204884667571235) internal successors, (195483), 62653 states have internal predecessors, (195483), 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) [2022-01-18 08:34:42,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62654 states to 62654 states and 195483 transitions. [2022-01-18 08:34:42,041 INFO L78 Accepts]: Start accepts. Automaton has 62654 states and 195483 transitions. Word has length 54 [2022-01-18 08:34:42,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:34:42,041 INFO L470 AbstractCegarLoop]: Abstraction has 62654 states and 195483 transitions. [2022-01-18 08:34:42,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:34:42,041 INFO L276 IsEmpty]: Start isEmpty. Operand 62654 states and 195483 transitions. [2022-01-18 08:34:42,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-18 08:34:42,053 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:34:42,053 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:34:42,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-01-18 08:34:42,054 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:34:42,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:34:42,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1303848625, now seen corresponding path program 3 times [2022-01-18 08:34:42,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:34:42,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369545980] [2022-01-18 08:34:42,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:34:42,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:34:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:34:42,149 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:34:42,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:34:42,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369545980] [2022-01-18 08:34:42,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369545980] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:34:42,150 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:34:42,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-18 08:34:42,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055565206] [2022-01-18 08:34:42,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:34:42,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 08:34:42,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:34:42,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 08:34:42,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-01-18 08:34:42,151 INFO L87 Difference]: Start difference. First operand 62654 states and 195483 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:34:43,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:34:43,418 INFO L93 Difference]: Finished difference Result 89926 states and 277010 transitions. [2022-01-18 08:34:43,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-18 08:34:43,419 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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 54 [2022-01-18 08:34:43,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:34:43,631 INFO L225 Difference]: With dead ends: 89926 [2022-01-18 08:34:43,631 INFO L226 Difference]: Without dead ends: 89926 [2022-01-18 08:34:43,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=215, Invalid=715, Unknown=0, NotChecked=0, Total=930 [2022-01-18 08:34:43,632 INFO L933 BasicCegarLoop]: 418 mSDtfsCounter, 858 mSDsluCounter, 2572 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 858 SdHoareTripleChecker+Valid, 2984 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:34:43,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [858 Valid, 2984 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:34:43,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89926 states. [2022-01-18 08:34:44,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89926 to 62360. [2022-01-18 08:34:44,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62360 states, 62351 states have (on average 3.118971628362015) internal successors, (194471), 62359 states have internal predecessors, (194471), 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) [2022-01-18 08:34:45,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62360 states to 62360 states and 194471 transitions. [2022-01-18 08:34:45,117 INFO L78 Accepts]: Start accepts. Automaton has 62360 states and 194471 transitions. Word has length 54 [2022-01-18 08:34:45,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:34:45,117 INFO L470 AbstractCegarLoop]: Abstraction has 62360 states and 194471 transitions. [2022-01-18 08:34:45,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:34:45,117 INFO L276 IsEmpty]: Start isEmpty. Operand 62360 states and 194471 transitions. [2022-01-18 08:34:45,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-18 08:34:45,127 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:34:45,127 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:34:45,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-01-18 08:34:45,127 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:34:45,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:34:45,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1223170755, now seen corresponding path program 4 times [2022-01-18 08:34:45,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:34:45,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059154890] [2022-01-18 08:34:45,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:34:45,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:34:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:34:45,206 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:34:45,207 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:34:45,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059154890] [2022-01-18 08:34:45,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059154890] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:34:45,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:34:45,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-18 08:34:45,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343173454] [2022-01-18 08:34:45,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:34:45,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 08:34:45,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:34:45,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 08:34:45,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-01-18 08:34:45,208 INFO L87 Difference]: Start difference. First operand 62360 states and 194471 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:34:46,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:34:46,520 INFO L93 Difference]: Finished difference Result 111986 states and 347717 transitions. [2022-01-18 08:34:46,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-18 08:34:46,521 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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 54 [2022-01-18 08:34:46,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:34:46,824 INFO L225 Difference]: With dead ends: 111986 [2022-01-18 08:34:46,824 INFO L226 Difference]: Without dead ends: 111986 [2022-01-18 08:34:46,825 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=318, Invalid=872, Unknown=0, NotChecked=0, Total=1190 [2022-01-18 08:34:46,825 INFO L933 BasicCegarLoop]: 396 mSDtfsCounter, 891 mSDsluCounter, 1942 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 891 SdHoareTripleChecker+Valid, 2333 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:34:46,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [891 Valid, 2333 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:34:46,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111986 states. [2022-01-18 08:34:48,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111986 to 72126. [2022-01-18 08:34:48,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72126 states, 72117 states have (on average 3.1647461763523164) internal successors, (228232), 72125 states have internal predecessors, (228232), 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) [2022-01-18 08:34:48,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72126 states to 72126 states and 228232 transitions. [2022-01-18 08:34:48,982 INFO L78 Accepts]: Start accepts. Automaton has 72126 states and 228232 transitions. Word has length 54 [2022-01-18 08:34:48,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:34:48,982 INFO L470 AbstractCegarLoop]: Abstraction has 72126 states and 228232 transitions. [2022-01-18 08:34:48,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:34:48,982 INFO L276 IsEmpty]: Start isEmpty. Operand 72126 states and 228232 transitions. [2022-01-18 08:34:48,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-18 08:34:48,993 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:34:48,993 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:34:48,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-01-18 08:34:48,994 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:34:48,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:34:48,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1174995779, now seen corresponding path program 5 times [2022-01-18 08:34:48,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:34:48,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970507225] [2022-01-18 08:34:48,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:34:48,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:34:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:34:49,087 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:34:49,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:34:49,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970507225] [2022-01-18 08:34:49,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970507225] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:34:49,087 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:34:49,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-18 08:34:49,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138392114] [2022-01-18 08:34:49,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:34:49,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 08:34:49,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:34:49,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 08:34:49,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-01-18 08:34:49,088 INFO L87 Difference]: Start difference. First operand 72126 states and 228232 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:34:50,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:34:50,515 INFO L93 Difference]: Finished difference Result 105564 states and 328862 transitions. [2022-01-18 08:34:50,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-18 08:34:50,516 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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 54 [2022-01-18 08:34:50,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:34:50,799 INFO L225 Difference]: With dead ends: 105564 [2022-01-18 08:34:50,799 INFO L226 Difference]: Without dead ends: 105564 [2022-01-18 08:34:50,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=281, Invalid=909, Unknown=0, NotChecked=0, Total=1190 [2022-01-18 08:34:50,800 INFO L933 BasicCegarLoop]: 425 mSDtfsCounter, 933 mSDsluCounter, 2396 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 2815 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:34:50,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [933 Valid, 2815 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:34:50,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105564 states. [2022-01-18 08:34:52,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105564 to 72094. [2022-01-18 08:34:52,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72094 states, 72085 states have (on average 3.1675799403482) internal successors, (228335), 72093 states have internal predecessors, (228335), 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) [2022-01-18 08:34:52,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72094 states to 72094 states and 228335 transitions. [2022-01-18 08:34:52,884 INFO L78 Accepts]: Start accepts. Automaton has 72094 states and 228335 transitions. Word has length 54 [2022-01-18 08:34:52,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:34:52,884 INFO L470 AbstractCegarLoop]: Abstraction has 72094 states and 228335 transitions. [2022-01-18 08:34:52,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:34:52,884 INFO L276 IsEmpty]: Start isEmpty. Operand 72094 states and 228335 transitions. [2022-01-18 08:34:52,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-18 08:34:52,895 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:34:52,895 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:34:52,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-01-18 08:34:52,895 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:34:52,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:34:52,895 INFO L85 PathProgramCache]: Analyzing trace with hash -714198390, now seen corresponding path program 1 times [2022-01-18 08:34:52,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:34:52,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488684164] [2022-01-18 08:34:52,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:34:52,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:34:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:34:52,973 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:34:52,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:34:52,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488684164] [2022-01-18 08:34:52,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488684164] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:34:52,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:34:52,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-18 08:34:52,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431813453] [2022-01-18 08:34:52,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:34:52,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 08:34:52,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:34:52,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 08:34:52,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-01-18 08:34:52,974 INFO L87 Difference]: Start difference. First operand 72094 states and 228335 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:34:54,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:34:54,149 INFO L93 Difference]: Finished difference Result 113230 states and 354384 transitions. [2022-01-18 08:34:54,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 08:34:54,149 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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 54 [2022-01-18 08:34:54,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:34:54,827 INFO L225 Difference]: With dead ends: 113230 [2022-01-18 08:34:54,828 INFO L226 Difference]: Without dead ends: 113230 [2022-01-18 08:34:54,828 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 488 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=433, Invalid=1373, Unknown=0, NotChecked=0, Total=1806 [2022-01-18 08:34:54,828 INFO L933 BasicCegarLoop]: 365 mSDtfsCounter, 801 mSDsluCounter, 1875 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 801 SdHoareTripleChecker+Valid, 2234 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:34:54,828 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [801 Valid, 2234 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:34:54,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113230 states. [2022-01-18 08:34:56,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113230 to 79814. [2022-01-18 08:34:56,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79814 states, 79805 states have (on average 3.1836100494956456) internal successors, (254068), 79813 states have internal predecessors, (254068), 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) [2022-01-18 08:34:56,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79814 states to 79814 states and 254068 transitions. [2022-01-18 08:34:56,588 INFO L78 Accepts]: Start accepts. Automaton has 79814 states and 254068 transitions. Word has length 54 [2022-01-18 08:34:56,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:34:56,588 INFO L470 AbstractCegarLoop]: Abstraction has 79814 states and 254068 transitions. [2022-01-18 08:34:56,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:34:56,588 INFO L276 IsEmpty]: Start isEmpty. Operand 79814 states and 254068 transitions. [2022-01-18 08:34:56,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-18 08:34:56,599 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:34:56,600 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:34:56,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-01-18 08:34:56,600 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:34:56,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:34:56,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1001479824, now seen corresponding path program 2 times [2022-01-18 08:34:56,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:34:56,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087736147] [2022-01-18 08:34:56,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:34:56,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:34:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:34:56,687 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:34:56,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:34:56,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087736147] [2022-01-18 08:34:56,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087736147] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:34:56,687 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:34:56,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-18 08:34:56,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176441571] [2022-01-18 08:34:56,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:34:56,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 08:34:56,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:34:56,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 08:34:56,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-01-18 08:34:56,688 INFO L87 Difference]: Start difference. First operand 79814 states and 254068 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:34:58,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:34:58,184 INFO L93 Difference]: Finished difference Result 108880 states and 341682 transitions. [2022-01-18 08:34:58,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 08:34:58,185 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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 54 [2022-01-18 08:34:58,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:34:58,481 INFO L225 Difference]: With dead ends: 108880 [2022-01-18 08:34:58,481 INFO L226 Difference]: Without dead ends: 108880 [2022-01-18 08:34:58,482 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 479 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=376, Invalid=1430, Unknown=0, NotChecked=0, Total=1806 [2022-01-18 08:34:58,482 INFO L933 BasicCegarLoop]: 394 mSDtfsCounter, 825 mSDsluCounter, 2313 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 825 SdHoareTripleChecker+Valid, 2696 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 08:34:58,482 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [825 Valid, 2696 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 08:34:58,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108880 states. [2022-01-18 08:35:00,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108880 to 79350. [2022-01-18 08:35:00,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79350 states, 79341 states have (on average 3.1856417236989705) internal successors, (252752), 79349 states have internal predecessors, (252752), 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) [2022-01-18 08:35:00,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79350 states to 79350 states and 252752 transitions. [2022-01-18 08:35:00,782 INFO L78 Accepts]: Start accepts. Automaton has 79350 states and 252752 transitions. Word has length 54 [2022-01-18 08:35:00,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:35:00,782 INFO L470 AbstractCegarLoop]: Abstraction has 79350 states and 252752 transitions. [2022-01-18 08:35:00,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:35:00,782 INFO L276 IsEmpty]: Start isEmpty. Operand 79350 states and 252752 transitions. [2022-01-18 08:35:00,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-18 08:35:00,793 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:35:00,793 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:35:00,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-01-18 08:35:00,793 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:35:00,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:35:00,794 INFO L85 PathProgramCache]: Analyzing trace with hash -467166427, now seen corresponding path program 6 times [2022-01-18 08:35:00,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:35:00,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367298878] [2022-01-18 08:35:00,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:35:00,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:35:00,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:35:00,867 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:35:00,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:35:00,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367298878] [2022-01-18 08:35:00,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367298878] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:35:00,867 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:35:00,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-18 08:35:00,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009871543] [2022-01-18 08:35:00,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:35:00,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 08:35:00,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:35:00,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 08:35:00,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-01-18 08:35:00,868 INFO L87 Difference]: Start difference. First operand 79350 states and 252752 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:35:02,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:35:02,341 INFO L93 Difference]: Finished difference Result 118004 states and 369146 transitions. [2022-01-18 08:35:02,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 08:35:02,342 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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 54 [2022-01-18 08:35:02,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:35:02,667 INFO L225 Difference]: With dead ends: 118004 [2022-01-18 08:35:02,667 INFO L226 Difference]: Without dead ends: 118004 [2022-01-18 08:35:02,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=331, Invalid=929, Unknown=0, NotChecked=0, Total=1260 [2022-01-18 08:35:02,668 INFO L933 BasicCegarLoop]: 380 mSDtfsCounter, 827 mSDsluCounter, 2344 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 2720 SdHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:35:02,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [827 Valid, 2720 Invalid, 870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 819 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:35:02,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118004 states. [2022-01-18 08:35:04,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118004 to 79674. [2022-01-18 08:35:04,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79674 states, 79665 states have (on average 3.1874474361388314) internal successors, (253928), 79673 states have internal predecessors, (253928), 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) [2022-01-18 08:35:04,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79674 states to 79674 states and 253928 transitions. [2022-01-18 08:35:04,951 INFO L78 Accepts]: Start accepts. Automaton has 79674 states and 253928 transitions. Word has length 54 [2022-01-18 08:35:04,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:35:04,951 INFO L470 AbstractCegarLoop]: Abstraction has 79674 states and 253928 transitions. [2022-01-18 08:35:04,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:35:04,951 INFO L276 IsEmpty]: Start isEmpty. Operand 79674 states and 253928 transitions. [2022-01-18 08:35:04,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-18 08:35:04,963 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:35:04,963 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:35:04,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-01-18 08:35:04,963 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:35:04,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:35:04,964 INFO L85 PathProgramCache]: Analyzing trace with hash -931928949, now seen corresponding path program 7 times [2022-01-18 08:35:04,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:35:04,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75855645] [2022-01-18 08:35:04,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:35:04,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:35:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:35:05,056 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:35:05,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:35:05,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75855645] [2022-01-18 08:35:05,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75855645] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:35:05,057 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:35:05,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-18 08:35:05,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722605206] [2022-01-18 08:35:05,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:35:05,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 08:35:05,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:35:05,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 08:35:05,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-01-18 08:35:05,057 INFO L87 Difference]: Start difference. First operand 79674 states and 253928 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:35:06,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:35:06,201 INFO L93 Difference]: Finished difference Result 111540 states and 350351 transitions. [2022-01-18 08:35:06,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 08:35:06,202 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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 54 [2022-01-18 08:35:06,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:35:06,509 INFO L225 Difference]: With dead ends: 111540 [2022-01-18 08:35:06,509 INFO L226 Difference]: Without dead ends: 111540 [2022-01-18 08:35:06,510 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=291, Invalid=969, Unknown=0, NotChecked=0, Total=1260 [2022-01-18 08:35:06,510 INFO L933 BasicCegarLoop]: 423 mSDtfsCounter, 883 mSDsluCounter, 2354 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 883 SdHoareTripleChecker+Valid, 2772 SdHoareTripleChecker+Invalid, 863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 08:35:06,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [883 Valid, 2772 Invalid, 863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 08:35:07,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111540 states. [2022-01-18 08:35:08,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111540 to 79656. [2022-01-18 08:35:08,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79656 states, 79647 states have (on average 3.190076211282283) internal successors, (254080), 79655 states have internal predecessors, (254080), 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) [2022-01-18 08:35:08,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79656 states to 79656 states and 254080 transitions. [2022-01-18 08:35:08,666 INFO L78 Accepts]: Start accepts. Automaton has 79656 states and 254080 transitions. Word has length 54 [2022-01-18 08:35:08,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:35:08,666 INFO L470 AbstractCegarLoop]: Abstraction has 79656 states and 254080 transitions. [2022-01-18 08:35:08,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:35:08,666 INFO L276 IsEmpty]: Start isEmpty. Operand 79656 states and 254080 transitions. [2022-01-18 08:35:08,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-18 08:35:08,678 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:35:08,678 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:35:08,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-01-18 08:35:08,678 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:35:08,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:35:08,679 INFO L85 PathProgramCache]: Analyzing trace with hash -27482546, now seen corresponding path program 3 times [2022-01-18 08:35:08,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:35:08,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555735446] [2022-01-18 08:35:08,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:35:08,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:35:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:35:08,766 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:35:08,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:35:08,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555735446] [2022-01-18 08:35:08,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555735446] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:35:08,766 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:35:08,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-18 08:35:08,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501411031] [2022-01-18 08:35:08,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:35:08,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 08:35:08,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:35:08,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 08:35:08,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-01-18 08:35:08,767 INFO L87 Difference]: Start difference. First operand 79656 states and 254080 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:35:10,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:35:10,309 INFO L93 Difference]: Finished difference Result 118058 states and 371645 transitions. [2022-01-18 08:35:10,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-18 08:35:10,309 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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 54 [2022-01-18 08:35:10,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:35:10,635 INFO L225 Difference]: With dead ends: 118058 [2022-01-18 08:35:10,636 INFO L226 Difference]: Without dead ends: 118058 [2022-01-18 08:35:10,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=283, Invalid=839, Unknown=0, NotChecked=0, Total=1122 [2022-01-18 08:35:10,636 INFO L933 BasicCegarLoop]: 402 mSDtfsCounter, 860 mSDsluCounter, 2372 mSDsCounter, 0 mSdLazyCounter, 836 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 2754 SdHoareTripleChecker+Invalid, 905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:35:10,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [860 Valid, 2754 Invalid, 905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 836 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:35:10,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118058 states. [2022-01-18 08:35:12,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118058 to 85665. [2022-01-18 08:35:12,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85665 states, 85656 states have (on average 3.202239189315401) internal successors, (274291), 85664 states have internal predecessors, (274291), 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) [2022-01-18 08:35:13,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85665 states to 85665 states and 274291 transitions. [2022-01-18 08:35:13,127 INFO L78 Accepts]: Start accepts. Automaton has 85665 states and 274291 transitions. Word has length 54 [2022-01-18 08:35:13,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:35:13,127 INFO L470 AbstractCegarLoop]: Abstraction has 85665 states and 274291 transitions. [2022-01-18 08:35:13,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:35:13,127 INFO L276 IsEmpty]: Start isEmpty. Operand 85665 states and 274291 transitions. [2022-01-18 08:35:13,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-18 08:35:13,139 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:35:13,139 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:35:13,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-01-18 08:35:13,139 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:35:13,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:35:13,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1308769998, now seen corresponding path program 4 times [2022-01-18 08:35:13,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:35:13,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039253057] [2022-01-18 08:35:13,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:35:13,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:35:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:35:13,228 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:35:13,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:35:13,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039253057] [2022-01-18 08:35:13,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039253057] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:35:13,228 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:35:13,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-18 08:35:13,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611085833] [2022-01-18 08:35:13,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:35:13,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 08:35:13,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:35:13,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 08:35:13,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-01-18 08:35:13,229 INFO L87 Difference]: Start difference. First operand 85665 states and 274291 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:35:14,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:35:14,289 INFO L93 Difference]: Finished difference Result 114220 states and 360015 transitions. [2022-01-18 08:35:14,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-18 08:35:14,290 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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 54 [2022-01-18 08:35:14,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:35:15,055 INFO L225 Difference]: With dead ends: 114220 [2022-01-18 08:35:15,055 INFO L226 Difference]: Without dead ends: 114220 [2022-01-18 08:35:15,055 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=215, Invalid=715, Unknown=0, NotChecked=0, Total=930 [2022-01-18 08:35:15,056 INFO L933 BasicCegarLoop]: 419 mSDtfsCounter, 919 mSDsluCounter, 2749 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 919 SdHoareTripleChecker+Valid, 3136 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 08:35:15,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [919 Valid, 3136 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 911 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 08:35:15,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114220 states. [2022-01-18 08:35:16,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114220 to 85323. [2022-01-18 08:35:16,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85323 states, 85314 states have (on average 3.2011744848442225) internal successors, (273105), 85322 states have internal predecessors, (273105), 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) [2022-01-18 08:35:17,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85323 states to 85323 states and 273105 transitions. [2022-01-18 08:35:17,008 INFO L78 Accepts]: Start accepts. Automaton has 85323 states and 273105 transitions. Word has length 54 [2022-01-18 08:35:17,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:35:17,008 INFO L470 AbstractCegarLoop]: Abstraction has 85323 states and 273105 transitions. [2022-01-18 08:35:17,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:35:17,009 INFO L276 IsEmpty]: Start isEmpty. Operand 85323 states and 273105 transitions. [2022-01-18 08:35:17,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-18 08:35:17,020 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:35:17,020 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:35:17,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-01-18 08:35:17,020 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:35:17,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:35:17,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1193074792, now seen corresponding path program 5 times [2022-01-18 08:35:17,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:35:17,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460575255] [2022-01-18 08:35:17,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:35:17,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:35:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:35:17,097 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:35:17,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:35:17,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460575255] [2022-01-18 08:35:17,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460575255] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:35:17,097 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:35:17,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-18 08:35:17,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059817177] [2022-01-18 08:35:17,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:35:17,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 08:35:17,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:35:17,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 08:35:17,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-01-18 08:35:17,098 INFO L87 Difference]: Start difference. First operand 85323 states and 273105 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:35:18,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:35:18,648 INFO L93 Difference]: Finished difference Result 118932 states and 374369 transitions. [2022-01-18 08:35:18,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 08:35:18,648 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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 54 [2022-01-18 08:35:18,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:35:18,985 INFO L225 Difference]: With dead ends: 118932 [2022-01-18 08:35:18,986 INFO L226 Difference]: Without dead ends: 118932 [2022-01-18 08:35:18,986 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=336, Invalid=924, Unknown=0, NotChecked=0, Total=1260 [2022-01-18 08:35:18,986 INFO L933 BasicCegarLoop]: 426 mSDtfsCounter, 931 mSDsluCounter, 2485 mSDsCounter, 0 mSdLazyCounter, 838 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 931 SdHoareTripleChecker+Valid, 2881 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 08:35:18,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [931 Valid, 2881 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 838 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 08:35:19,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118932 states. [2022-01-18 08:35:21,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118932 to 89039. [2022-01-18 08:35:21,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89039 states, 89030 states have (on average 3.20086487700775) internal successors, (284973), 89038 states have internal predecessors, (284973), 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) [2022-01-18 08:35:21,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89039 states to 89039 states and 284973 transitions. [2022-01-18 08:35:21,444 INFO L78 Accepts]: Start accepts. Automaton has 89039 states and 284973 transitions. Word has length 54 [2022-01-18 08:35:21,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:35:21,445 INFO L470 AbstractCegarLoop]: Abstraction has 89039 states and 284973 transitions. [2022-01-18 08:35:21,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:35:21,445 INFO L276 IsEmpty]: Start isEmpty. Operand 89039 states and 284973 transitions. [2022-01-18 08:35:21,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-18 08:35:21,456 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:35:21,456 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:35:21,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-01-18 08:35:21,456 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:35:21,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:35:21,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1108545172, now seen corresponding path program 6 times [2022-01-18 08:35:21,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:35:21,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067933468] [2022-01-18 08:35:21,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:35:21,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:35:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:35:21,549 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:35:21,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:35:21,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067933468] [2022-01-18 08:35:21,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067933468] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:35:21,550 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:35:21,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-18 08:35:21,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143688512] [2022-01-18 08:35:21,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:35:21,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 08:35:21,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:35:21,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 08:35:21,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-01-18 08:35:21,551 INFO L87 Difference]: Start difference. First operand 89039 states and 284973 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:35:23,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:35:23,303 INFO L93 Difference]: Finished difference Result 139804 states and 441834 transitions. [2022-01-18 08:35:23,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-18 08:35:23,304 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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 54 [2022-01-18 08:35:23,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:35:23,814 INFO L225 Difference]: With dead ends: 139804 [2022-01-18 08:35:23,814 INFO L226 Difference]: Without dead ends: 139804 [2022-01-18 08:35:23,814 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=318, Invalid=872, Unknown=0, NotChecked=0, Total=1190 [2022-01-18 08:35:23,814 INFO L933 BasicCegarLoop]: 415 mSDtfsCounter, 864 mSDsluCounter, 2538 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 864 SdHoareTripleChecker+Valid, 2938 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 08:35:23,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [864 Valid, 2938 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 08:35:23,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139804 states. [2022-01-18 08:35:26,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139804 to 98880. [2022-01-18 08:35:26,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98880 states, 98871 states have (on average 3.2261532704230764) internal successors, (318973), 98879 states have internal predecessors, (318973), 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) [2022-01-18 08:35:26,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98880 states to 98880 states and 318973 transitions. [2022-01-18 08:35:26,656 INFO L78 Accepts]: Start accepts. Automaton has 98880 states and 318973 transitions. Word has length 54 [2022-01-18 08:35:26,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:35:26,656 INFO L470 AbstractCegarLoop]: Abstraction has 98880 states and 318973 transitions. [2022-01-18 08:35:26,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:35:26,656 INFO L276 IsEmpty]: Start isEmpty. Operand 98880 states and 318973 transitions. [2022-01-18 08:35:26,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-18 08:35:26,670 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:35:26,670 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:35:26,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-01-18 08:35:26,670 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:35:26,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:35:26,671 INFO L85 PathProgramCache]: Analyzing trace with hash 227707372, now seen corresponding path program 7 times [2022-01-18 08:35:26,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:35:26,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793795075] [2022-01-18 08:35:26,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:35:26,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:35:26,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:35:26,778 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:35:26,778 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:35:26,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793795075] [2022-01-18 08:35:26,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793795075] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:35:26,779 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:35:26,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-18 08:35:26,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262132593] [2022-01-18 08:35:26,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:35:26,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 08:35:26,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:35:26,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 08:35:26,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-01-18 08:35:26,780 INFO L87 Difference]: Start difference. First operand 98880 states and 318973 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:35:28,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:35:28,444 INFO L93 Difference]: Finished difference Result 134006 states and 424859 transitions. [2022-01-18 08:35:28,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-18 08:35:28,445 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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 54 [2022-01-18 08:35:28,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:35:28,832 INFO L225 Difference]: With dead ends: 134006 [2022-01-18 08:35:28,832 INFO L226 Difference]: Without dead ends: 134006 [2022-01-18 08:35:28,832 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=281, Invalid=909, Unknown=0, NotChecked=0, Total=1190 [2022-01-18 08:35:28,832 INFO L933 BasicCegarLoop]: 441 mSDtfsCounter, 909 mSDsluCounter, 2775 mSDsCounter, 0 mSdLazyCounter, 953 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 909 SdHoareTripleChecker+Valid, 3193 SdHoareTripleChecker+Invalid, 1016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 08:35:28,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [909 Valid, 3193 Invalid, 1016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 953 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 08:35:29,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134006 states. [2022-01-18 08:35:31,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134006 to 98848. [2022-01-18 08:35:31,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98848 states, 98839 states have (on average 3.2282398648306843) internal successors, (319076), 98847 states have internal predecessors, (319076), 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) [2022-01-18 08:35:31,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98848 states to 98848 states and 319076 transitions. [2022-01-18 08:35:31,520 INFO L78 Accepts]: Start accepts. Automaton has 98848 states and 319076 transitions. Word has length 54 [2022-01-18 08:35:31,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:35:31,520 INFO L470 AbstractCegarLoop]: Abstraction has 98848 states and 319076 transitions. [2022-01-18 08:35:31,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:35:31,521 INFO L276 IsEmpty]: Start isEmpty. Operand 98848 states and 319076 transitions. [2022-01-18 08:35:31,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-18 08:35:31,534 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:35:31,534 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:35:31,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-01-18 08:35:31,534 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:35:31,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:35:31,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1106719662, now seen corresponding path program 8 times [2022-01-18 08:35:31,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:35:31,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406108206] [2022-01-18 08:35:31,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:35:31,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:35:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:35:31,628 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:35:31,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:35:31,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406108206] [2022-01-18 08:35:31,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406108206] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:35:31,628 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:35:31,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-18 08:35:31,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566120888] [2022-01-18 08:35:31,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:35:31,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 08:35:31,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:35:31,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 08:35:31,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-01-18 08:35:31,629 INFO L87 Difference]: Start difference. First operand 98848 states and 319076 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:35:33,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:35:33,236 INFO L93 Difference]: Finished difference Result 146928 states and 467061 transitions. [2022-01-18 08:35:33,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 08:35:33,237 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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 54 [2022-01-18 08:35:33,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:35:33,671 INFO L225 Difference]: With dead ends: 146928 [2022-01-18 08:35:33,672 INFO L226 Difference]: Without dead ends: 146928 [2022-01-18 08:35:33,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=331, Invalid=929, Unknown=0, NotChecked=0, Total=1260 [2022-01-18 08:35:33,672 INFO L933 BasicCegarLoop]: 387 mSDtfsCounter, 859 mSDsluCounter, 1942 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 859 SdHoareTripleChecker+Valid, 2320 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:35:33,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [859 Valid, 2320 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:35:33,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146928 states. [2022-01-18 08:35:36,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146928 to 108340. [2022-01-18 08:35:36,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108340 states, 108331 states have (on average 3.2432360081601757) internal successors, (351343), 108339 states have internal predecessors, (351343), 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) [2022-01-18 08:35:36,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108340 states to 108340 states and 351343 transitions. [2022-01-18 08:35:36,591 INFO L78 Accepts]: Start accepts. Automaton has 108340 states and 351343 transitions. Word has length 54 [2022-01-18 08:35:36,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:35:36,591 INFO L470 AbstractCegarLoop]: Abstraction has 108340 states and 351343 transitions. [2022-01-18 08:35:36,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:35:36,592 INFO L276 IsEmpty]: Start isEmpty. Operand 108340 states and 351343 transitions. [2022-01-18 08:35:36,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-18 08:35:36,605 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:35:36,605 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:35:36,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-01-18 08:35:36,605 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:35:36,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:35:36,606 INFO L85 PathProgramCache]: Analyzing trace with hash 229532882, now seen corresponding path program 9 times [2022-01-18 08:35:36,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:35:36,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255534545] [2022-01-18 08:35:36,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:35:36,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:35:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:35:36,689 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:35:36,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:35:36,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255534545] [2022-01-18 08:35:36,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255534545] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:35:36,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:35:36,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-18 08:35:36,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814944583] [2022-01-18 08:35:36,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:35:36,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 08:35:36,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:35:36,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 08:35:36,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-01-18 08:35:36,691 INFO L87 Difference]: Start difference. First operand 108340 states and 351343 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:35:38,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:35:38,370 INFO L93 Difference]: Finished difference Result 141324 states and 450932 transitions. [2022-01-18 08:35:38,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 08:35:38,371 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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 54 [2022-01-18 08:35:38,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:35:38,775 INFO L225 Difference]: With dead ends: 141324 [2022-01-18 08:35:38,776 INFO L226 Difference]: Without dead ends: 141324 [2022-01-18 08:35:38,776 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=291, Invalid=969, Unknown=0, NotChecked=0, Total=1260 [2022-01-18 08:35:38,776 INFO L933 BasicCegarLoop]: 419 mSDtfsCounter, 882 mSDsluCounter, 2375 mSDsCounter, 0 mSdLazyCounter, 867 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 2779 SdHoareTripleChecker+Invalid, 912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 08:35:38,776 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [882 Valid, 2779 Invalid, 912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 867 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 08:35:38,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141324 states. [2022-01-18 08:35:41,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141324 to 108418. [2022-01-18 08:35:41,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108418 states, 108409 states have (on average 3.2458467470412975) internal successors, (351879), 108417 states have internal predecessors, (351879), 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) [2022-01-18 08:35:41,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108418 states to 108418 states and 351879 transitions. [2022-01-18 08:35:41,719 INFO L78 Accepts]: Start accepts. Automaton has 108418 states and 351879 transitions. Word has length 54 [2022-01-18 08:35:41,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:35:41,720 INFO L470 AbstractCegarLoop]: Abstraction has 108418 states and 351879 transitions. [2022-01-18 08:35:41,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:35:41,720 INFO L276 IsEmpty]: Start isEmpty. Operand 108418 states and 351879 transitions. [2022-01-18 08:35:42,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-18 08:35:42,112 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:35:42,112 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:35:42,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-01-18 08:35:42,113 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:35:42,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:35:42,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1608817731, now seen corresponding path program 8 times [2022-01-18 08:35:42,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:35:42,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609836921] [2022-01-18 08:35:42,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:35:42,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:35:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:35:42,263 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:35:42,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:35:42,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609836921] [2022-01-18 08:35:42,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609836921] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:35:42,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:35:42,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-18 08:35:42,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159272669] [2022-01-18 08:35:42,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:35:42,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 08:35:42,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:35:42,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 08:35:42,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-01-18 08:35:42,264 INFO L87 Difference]: Start difference. First operand 108418 states and 351879 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:35:43,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:35:43,540 INFO L93 Difference]: Finished difference Result 141532 states and 450913 transitions. [2022-01-18 08:35:43,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 08:35:43,541 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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 54 [2022-01-18 08:35:43,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:35:43,944 INFO L225 Difference]: With dead ends: 141532 [2022-01-18 08:35:43,944 INFO L226 Difference]: Without dead ends: 141532 [2022-01-18 08:35:43,944 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 486 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=433, Invalid=1373, Unknown=0, NotChecked=0, Total=1806 [2022-01-18 08:35:43,945 INFO L933 BasicCegarLoop]: 387 mSDtfsCounter, 827 mSDsluCounter, 1931 mSDsCounter, 0 mSdLazyCounter, 725 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 2314 SdHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:35:43,945 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [827 Valid, 2314 Invalid, 770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 725 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:35:44,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141532 states. [2022-01-18 08:35:46,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141532 to 109482. [2022-01-18 08:35:46,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109482 states, 109473 states have (on average 3.246014999132206) internal successors, (355351), 109481 states have internal predecessors, (355351), 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) [2022-01-18 08:35:47,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109482 states to 109482 states and 355351 transitions. [2022-01-18 08:35:47,280 INFO L78 Accepts]: Start accepts. Automaton has 109482 states and 355351 transitions. Word has length 54 [2022-01-18 08:35:47,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:35:47,280 INFO L470 AbstractCegarLoop]: Abstraction has 109482 states and 355351 transitions. [2022-01-18 08:35:47,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:35:47,281 INFO L276 IsEmpty]: Start isEmpty. Operand 109482 states and 355351 transitions. [2022-01-18 08:35:47,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-18 08:35:47,293 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:35:47,294 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:35:47,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-01-18 08:35:47,294 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:35:47,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:35:47,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1144055209, now seen corresponding path program 9 times [2022-01-18 08:35:47,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:35:47,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22874129] [2022-01-18 08:35:47,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:35:47,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:35:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:35:47,370 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:35:47,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:35:47,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22874129] [2022-01-18 08:35:47,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22874129] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:35:47,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:35:47,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-18 08:35:47,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870379395] [2022-01-18 08:35:47,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:35:47,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 08:35:47,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:35:47,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 08:35:47,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-01-18 08:35:47,371 INFO L87 Difference]: Start difference. First operand 109482 states and 355351 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:35:48,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:35:48,664 INFO L93 Difference]: Finished difference Result 139290 states and 444562 transitions. [2022-01-18 08:35:48,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 08:35:48,664 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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 54 [2022-01-18 08:35:48,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:35:49,508 INFO L225 Difference]: With dead ends: 139290 [2022-01-18 08:35:49,508 INFO L226 Difference]: Without dead ends: 139290 [2022-01-18 08:35:49,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=376, Invalid=1430, Unknown=0, NotChecked=0, Total=1806 [2022-01-18 08:35:49,508 INFO L933 BasicCegarLoop]: 427 mSDtfsCounter, 793 mSDsluCounter, 2418 mSDsCounter, 0 mSdLazyCounter, 873 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 793 SdHoareTripleChecker+Valid, 2840 SdHoareTripleChecker+Invalid, 912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:35:49,509 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [793 Valid, 2840 Invalid, 912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 873 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:35:49,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139290 states. [2022-01-18 08:35:51,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139290 to 108738. [2022-01-18 08:35:51,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108738 states, 108729 states have (on average 3.246962631864544) internal successors, (353039), 108737 states have internal predecessors, (353039), 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) [2022-01-18 08:35:52,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108738 states to 108738 states and 353039 transitions. [2022-01-18 08:35:52,349 INFO L78 Accepts]: Start accepts. Automaton has 108738 states and 353039 transitions. Word has length 54 [2022-01-18 08:35:52,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:35:52,349 INFO L470 AbstractCegarLoop]: Abstraction has 108738 states and 353039 transitions. [2022-01-18 08:35:52,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2022-01-18 08:35:52,349 INFO L276 IsEmpty]: Start isEmpty. Operand 108738 states and 353039 transitions. [2022-01-18 08:35:52,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-18 08:35:52,362 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:35:52,363 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:35:52,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-01-18 08:35:52,363 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:35:52,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:35:52,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1204104248, now seen corresponding path program 10 times [2022-01-18 08:35:52,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:35:52,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396579704] [2022-01-18 08:35:52,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:35:52,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:35:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:35:52,394 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-18 08:35:52,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:35:52,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396579704] [2022-01-18 08:35:52,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396579704] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:35:52,394 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:35:52,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 08:35:52,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667390353] [2022-01-18 08:35:52,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:35:52,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 08:35:52,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:35:52,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 08:35:52,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-18 08:35:52,395 INFO L87 Difference]: Start difference. First operand 108738 states and 353039 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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) [2022-01-18 08:35:53,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:35:53,105 INFO L93 Difference]: Finished difference Result 131433 states and 422811 transitions. [2022-01-18 08:35:53,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-18 08:35:53,106 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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 54 [2022-01-18 08:35:53,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:35:53,478 INFO L225 Difference]: With dead ends: 131433 [2022-01-18 08:35:53,478 INFO L226 Difference]: Without dead ends: 131433 [2022-01-18 08:35:53,478 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-01-18 08:35:53,478 INFO L933 BasicCegarLoop]: 380 mSDtfsCounter, 486 mSDsluCounter, 1444 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 08:35:53,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [486 Valid, 1792 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 08:35:54,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131433 states. [2022-01-18 08:35:55,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131433 to 112786. [2022-01-18 08:35:56,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112786 states, 112777 states have (on average 3.250609610115538) internal successors, (366594), 112785 states have internal predecessors, (366594), 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) [2022-01-18 08:35:56,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112786 states to 112786 states and 366594 transitions. [2022-01-18 08:35:56,800 INFO L78 Accepts]: Start accepts. Automaton has 112786 states and 366594 transitions. Word has length 54 [2022-01-18 08:35:56,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:35:56,800 INFO L470 AbstractCegarLoop]: Abstraction has 112786 states and 366594 transitions. [2022-01-18 08:35:56,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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) [2022-01-18 08:35:56,800 INFO L276 IsEmpty]: Start isEmpty. Operand 112786 states and 366594 transitions. [2022-01-18 08:35:56,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-18 08:35:56,813 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:35:56,814 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:35:56,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-01-18 08:35:56,814 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:35:56,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:35:56,814 INFO L85 PathProgramCache]: Analyzing trace with hash -964461910, now seen corresponding path program 11 times [2022-01-18 08:35:56,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:35:56,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534939882] [2022-01-18 08:35:56,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:35:56,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:35:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:35:56,924 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 08:35:56,925 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:35:56,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534939882] [2022-01-18 08:35:56,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534939882] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:35:56,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186159095] [2022-01-18 08:35:56,925 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-18 08:35:56,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:35:56,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:35:56,926 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:35:56,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-01-18 08:35:57,013 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-18 08:35:57,013 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 08:35:57,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 45 conjunts are in the unsatisfiable core [2022-01-18 08:35:57,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:35:57,081 INFO L353 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-01-18 08:35:57,081 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-01-18 08:35:57,167 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 08:35:57,167 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 08:35:57,300 INFO L353 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-01-18 08:35:57,300 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-01-18 08:35:57,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 08:35:57,379 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 25 [2022-01-18 08:35:57,382 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:35:57,437 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2022-01-18 08:35:57,455 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 08:35:57,455 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-18 08:35:57,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186159095] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:35:57,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-18 08:35:57,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13] total 22 [2022-01-18 08:35:57,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172866241] [2022-01-18 08:35:57,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:35:57,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 08:35:57,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:35:57,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 08:35:57,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=388, Unknown=0, NotChecked=0, Total=462 [2022-01-18 08:35:57,456 INFO L87 Difference]: Start difference. First operand 112786 states and 366594 transitions. Second operand has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:35:59,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:35:59,080 INFO L93 Difference]: Finished difference Result 179530 states and 573662 transitions. [2022-01-18 08:35:59,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-01-18 08:35:59,080 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-01-18 08:35:59,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:35:59,628 INFO L225 Difference]: With dead ends: 179530 [2022-01-18 08:35:59,629 INFO L226 Difference]: Without dead ends: 179530 [2022-01-18 08:35:59,629 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=311, Invalid=1095, Unknown=0, NotChecked=0, Total=1406 [2022-01-18 08:35:59,629 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 884 mSDsluCounter, 1870 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 884 SdHoareTripleChecker+Valid, 2189 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 114 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:35:59,629 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [884 Valid, 2189 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 555 Invalid, 0 Unknown, 114 Unchecked, 0.2s Time] [2022-01-18 08:35:59,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179530 states. [2022-01-18 08:36:02,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179530 to 135532. [2022-01-18 08:36:02,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135532 states, 135523 states have (on average 3.2336356190462134) internal successors, (438232), 135531 states have internal predecessors, (438232), 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) [2022-01-18 08:36:03,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135532 states to 135532 states and 438232 transitions. [2022-01-18 08:36:03,574 INFO L78 Accepts]: Start accepts. Automaton has 135532 states and 438232 transitions. Word has length 54 [2022-01-18 08:36:03,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:36:03,574 INFO L470 AbstractCegarLoop]: Abstraction has 135532 states and 438232 transitions. [2022-01-18 08:36:03,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:36:03,574 INFO L276 IsEmpty]: Start isEmpty. Operand 135532 states and 438232 transitions. [2022-01-18 08:36:03,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-18 08:36:03,590 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:36:03,590 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:36:03,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-01-18 08:36:03,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:36:03,791 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:36:03,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:36:03,792 INFO L85 PathProgramCache]: Analyzing trace with hash 371790634, now seen corresponding path program 12 times [2022-01-18 08:36:03,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:36:03,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738441319] [2022-01-18 08:36:03,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:36:03,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:36:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:36:03,906 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 08:36:03,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:36:03,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738441319] [2022-01-18 08:36:03,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738441319] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:36:03,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562241563] [2022-01-18 08:36:03,907 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-18 08:36:03,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:36:03,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:36:03,908 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:36:03,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-01-18 08:36:03,993 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-01-18 08:36:03,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 08:36:03,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 58 conjunts are in the unsatisfiable core [2022-01-18 08:36:03,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:36:04,059 INFO L353 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-01-18 08:36:04,059 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-01-18 08:36:04,185 INFO L353 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-01-18 08:36:04,185 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2022-01-18 08:36:04,236 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-01-18 08:36:04,238 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-18 08:36:04,252 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-18 08:36:04,390 INFO L353 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-01-18 08:36:04,391 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-01-18 08:36:04,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 08:36:04,441 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-01-18 08:36:04,444 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:36:04,528 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:36:04,528 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 18 [2022-01-18 08:36:04,544 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 08:36:04,544 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:36:04,747 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:36:04,748 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 56 [2022-01-18 08:36:04,753 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23720 treesize of output 23584 [2022-01-18 08:36:04,813 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26550 treesize of output 25526 [2022-01-18 08:36:06,274 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25120 treesize of output 24472 [2022-01-18 08:36:07,357 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24984 treesize of output 24404 [2022-01-18 08:36:08,517 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23286 treesize of output 23030 [2022-01-18 08:36:09,295 INFO L353 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2022-01-18 08:36:09,295 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 22 [2022-01-18 08:36:09,314 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 08:36:09,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562241563] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:36:09,315 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:36:09,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 32 [2022-01-18 08:36:09,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718429002] [2022-01-18 08:36:09,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:36:09,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-01-18 08:36:09,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:36:09,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-01-18 08:36:09,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=843, Unknown=6, NotChecked=0, Total=992 [2022-01-18 08:36:09,315 INFO L87 Difference]: Start difference. First operand 135532 states and 438232 transitions. Second operand has 32 states, 32 states have (on average 3.96875) internal successors, (127), 32 states have internal predecessors, (127), 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) [2022-01-18 08:36:13,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:36:13,303 INFO L93 Difference]: Finished difference Result 246632 states and 777464 transitions. [2022-01-18 08:36:13,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-01-18 08:36:13,304 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 3.96875) internal successors, (127), 32 states have internal predecessors, (127), 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 54 [2022-01-18 08:36:13,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:36:14,159 INFO L225 Difference]: With dead ends: 246632 [2022-01-18 08:36:14,159 INFO L226 Difference]: Without dead ends: 246632 [2022-01-18 08:36:14,160 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 96 SyntacticMatches, 22 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 4253 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1897, Invalid=8183, Unknown=20, NotChecked=0, Total=10100 [2022-01-18 08:36:14,162 INFO L933 BasicCegarLoop]: 383 mSDtfsCounter, 3953 mSDsluCounter, 6643 mSDsCounter, 0 mSdLazyCounter, 1384 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3953 SdHoareTripleChecker+Valid, 6968 SdHoareTripleChecker+Invalid, 3092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 1384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1454 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 08:36:14,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3953 Valid, 6968 Invalid, 3092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 1384 Invalid, 0 Unknown, 1454 Unchecked, 0.6s Time] [2022-01-18 08:36:14,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246632 states. [2022-01-18 08:36:18,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246632 to 145195. [2022-01-18 08:36:18,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145195 states, 145186 states have (on average 3.2309657956001265) internal successors, (469091), 145194 states have internal predecessors, (469091), 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) [2022-01-18 08:36:19,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145195 states to 145195 states and 469091 transitions. [2022-01-18 08:36:19,388 INFO L78 Accepts]: Start accepts. Automaton has 145195 states and 469091 transitions. Word has length 54 [2022-01-18 08:36:19,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:36:19,389 INFO L470 AbstractCegarLoop]: Abstraction has 145195 states and 469091 transitions. [2022-01-18 08:36:19,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.96875) internal successors, (127), 32 states have internal predecessors, (127), 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) [2022-01-18 08:36:19,389 INFO L276 IsEmpty]: Start isEmpty. Operand 145195 states and 469091 transitions. [2022-01-18 08:36:19,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-18 08:36:19,405 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:36:19,405 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:36:19,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-01-18 08:36:19,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2022-01-18 08:36:19,605 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-18 08:36:19,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:36:19,606 INFO L85 PathProgramCache]: Analyzing trace with hash 256095428, now seen corresponding path program 13 times [2022-01-18 08:36:19,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:36:19,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341725879] [2022-01-18 08:36:19,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:36:19,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:36:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:36:19,721 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 08:36:19,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:36:19,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341725879] [2022-01-18 08:36:19,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341725879] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:36:19,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158750898] [2022-01-18 08:36:19,721 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-18 08:36:19,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:36:19,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:36:19,722 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:36:19,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-01-18 08:36:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:36:19,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 53 conjunts are in the unsatisfiable core [2022-01-18 08:36:19,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:36:19,876 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:36:19,876 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 08:36:19,959 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-18 08:36:20,002 INFO L353 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-01-18 08:36:20,002 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 51 [2022-01-18 08:36:20,005 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:36:20,009 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:36:20,085 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-18 08:36:20,097 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-01-18 08:36:20,111 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-01-18 08:36:20,142 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-01-18 08:36:20,289 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:36:20,290 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 08:36:20,353 INFO L353 Elim1Store]: treesize reduction 68, result has 29.9 percent of original size [2022-01-18 08:36:20,353 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 52 treesize of output 72 [2022-01-18 08:36:20,358 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2022-01-18 08:36:20,361 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:36:20,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 08:36:20,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 08:36:20,414 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2022-01-18 08:36:20,416 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-01-18 08:36:20,429 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2022-01-18 08:36:20,431 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-18 08:36:20,490 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:36:20,490 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 18 [2022-01-18 08:36:20,508 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 08:36:20,508 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:36:20,744 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:36:20,745 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 357532 treesize of output 356968 [2022-01-18 08:36:21,987 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 407334 treesize of output 390438 [2022-01-18 08:36:45,659 WARN L228 SmtUtils]: Spent 23.67s on a formula simplification. DAG size of input: 805 DAG size of output: 804 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-01-18 08:36:45,693 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 382304 treesize of output 372752