/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 04:30:01,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 04:30:01,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 04:30:01,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-16 04:30:01,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-16 04:30:01,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-16 04:30:01,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-16 04:30:01,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-16 04:30:01,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-16 04:30:01,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-16 04:30:01,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-16 04:30:01,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-16 04:30:01,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-16 04:30:01,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-16 04:30:01,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-16 04:30:01,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-16 04:30:01,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-16 04:30:01,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-16 04:30:01,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-16 04:30:01,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-16 04:30:01,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-16 04:30:01,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-16 04:30:01,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-16 04:30:01,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-16 04:30:01,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-16 04:30:01,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 04:30:01,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 04:30:01,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 04:30:01,322 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks.epf [2022-02-16 04:30:01,347 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 04:30:01,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 04:30:01,348 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 04:30:01,348 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 04:30:01,349 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 04:30:01,349 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 04:30:01,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 04:30:01,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 04:30:01,349 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 04:30:01,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 04:30:01,350 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 04:30:01,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 04:30:01,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 04:30:01,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 04:30:01,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 04:30:01,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 04:30:01,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 04:30:01,351 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 04:30:01,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 04:30:01,351 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 04:30:01,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 04:30:01,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 04:30:01,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 04:30:01,351 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 04:30:01,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 04:30:01,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 04:30:01,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 04:30:01,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 04:30:01,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 04:30:01,352 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 04:30:01,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 04:30:01,352 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 04:30:01,352 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-16 04:30:01,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 04:30:01,352 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-16 04:30:01,353 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-16 04:30:01,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 04:30:01,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 04:30:01,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 04:30:01,570 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-16 04:30:01,570 INFO L275 PluginConnector]: CDTParser initialized [2022-02-16 04:30:01,571 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i [2022-02-16 04:30:01,620 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86dd55d71/20dc7fa27739443b960db9fb29c93310/FLAG7490bf420 [2022-02-16 04:30:02,032 INFO L306 CDTParser]: Found 1 translation units. [2022-02-16 04:30:02,032 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i [2022-02-16 04:30:02,056 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86dd55d71/20dc7fa27739443b960db9fb29c93310/FLAG7490bf420 [2022-02-16 04:30:02,066 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86dd55d71/20dc7fa27739443b960db9fb29c93310 [2022-02-16 04:30:02,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 04:30:02,069 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-16 04:30:02,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-16 04:30:02,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-16 04:30:02,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-16 04:30:02,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:30:02" (1/1) ... [2022-02-16 04:30:02,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@401d31aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:02, skipping insertion in model container [2022-02-16 04:30:02,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:30:02" (1/1) ... [2022-02-16 04:30:02,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-16 04:30:02,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-16 04:30:02,445 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-deagle/arithmetic_prog_ok.i[39757,39770] [2022-02-16 04:30:02,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 04:30:02,457 INFO L203 MainTranslator]: Completed pre-run [2022-02-16 04:30:02,495 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-deagle/arithmetic_prog_ok.i[39757,39770] [2022-02-16 04:30:02,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 04:30:02,528 INFO L208 MainTranslator]: Completed translation [2022-02-16 04:30:02,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:02 WrapperNode [2022-02-16 04:30:02,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-16 04:30:02,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 04:30:02,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 04:30:02,530 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 04:30:02,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:02" (1/1) ... [2022-02-16 04:30:02,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:02" (1/1) ... [2022-02-16 04:30:02,565 INFO L137 Inliner]: procedures = 243, calls = 50, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 81 [2022-02-16 04:30:02,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 04:30:02,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 04:30:02,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 04:30:02,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 04:30:02,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:02" (1/1) ... [2022-02-16 04:30:02,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:02" (1/1) ... [2022-02-16 04:30:02,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:02" (1/1) ... [2022-02-16 04:30:02,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:02" (1/1) ... [2022-02-16 04:30:02,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:02" (1/1) ... [2022-02-16 04:30:02,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:02" (1/1) ... [2022-02-16 04:30:02,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:02" (1/1) ... [2022-02-16 04:30:02,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 04:30:02,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 04:30:02,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 04:30:02,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 04:30:02,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:02" (1/1) ... [2022-02-16 04:30:02,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 04:30:02,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 04:30:02,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-16 04:30:02,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-16 04:30:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-16 04:30:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-16 04:30:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-16 04:30:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-16 04:30:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-16 04:30:02,663 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-16 04:30:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-16 04:30:02,664 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-16 04:30:02,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-16 04:30:02,664 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-16 04:30:02,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-16 04:30:02,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-16 04:30:02,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 04:30:02,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 04:30:02,665 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 04:30:02,778 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 04:30:02,780 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 04:30:03,034 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 04:30:03,039 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 04:30:03,040 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-02-16 04:30:03,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:30:03 BoogieIcfgContainer [2022-02-16 04:30:03,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 04:30:03,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 04:30:03,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 04:30:03,045 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 04:30:03,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 04:30:02" (1/3) ... [2022-02-16 04:30:03,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f64ef24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 04:30:03, skipping insertion in model container [2022-02-16 04:30:03,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:02" (2/3) ... [2022-02-16 04:30:03,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f64ef24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 04:30:03, skipping insertion in model container [2022-02-16 04:30:03,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:30:03" (3/3) ... [2022-02-16 04:30:03,048 INFO L111 eAbstractionObserver]: Analyzing ICFG arithmetic_prog_ok.i [2022-02-16 04:30:03,051 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 04:30:03,052 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 04:30:03,052 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-16 04:30:03,052 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 04:30:03,104 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,104 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,104 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,104 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,105 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,105 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,105 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,105 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,105 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,105 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,105 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,106 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,106 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,106 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,107 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,107 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,107 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,107 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,108 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,108 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,108 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,109 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,110 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,110 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,110 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,111 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,112 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,112 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,112 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,113 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,113 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,113 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,113 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,113 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,114 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,114 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,114 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,115 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,115 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,115 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,115 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,116 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,116 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,116 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,116 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,116 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,116 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,116 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,117 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,117 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,117 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,117 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,117 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,118 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,118 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,118 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,120 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,120 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,120 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,120 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,120 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,121 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,121 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,121 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,121 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,121 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,121 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,121 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,122 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,123 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,123 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,123 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,123 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,123 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,123 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,123 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,123 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,123 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,124 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,124 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,124 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,124 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,124 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,124 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,127 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,127 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,127 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,127 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,127 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,127 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,128 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,128 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,128 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,129 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,130 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,130 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,130 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,130 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,130 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,130 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,130 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,130 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 04:30:03,132 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-16 04:30:03,169 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-16 04:30:03,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 04:30:03,174 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-16 04:30:03,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-16 04:30:03,208 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 04:30:03,214 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=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-16 04:30:03,214 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-16 04:30:03,227 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 132 places, 135 transitions, 286 flow [2022-02-16 04:30:03,332 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2089 states, 2088 states have (on average 2.893199233716475) internal successors, (6041), 2088 states have internal predecessors, (6041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 04:30:03,362 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 116 transitions and produced 117 states. [2022-02-16 04:30:03,364 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 04:30:03,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 04:30:03,371 INFO L85 PathProgramCache]: Analyzing trace with hash 659529902, now seen corresponding path program 1 times [2022-02-16 04:30:03,380 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 04:30:03,380 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90240381] [2022-02-16 04:30:03,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 04:30:03,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 04:30:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 04:30:03,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 04:30:03,594 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 04:30:03,594 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90240381] [2022-02-16 04:30:03,595 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90240381] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 04:30:03,595 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 04:30:03,595 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-16 04:30:03,596 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138639355] [2022-02-16 04:30:03,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 04:30:03,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-16 04:30:03,598 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 04:30:03,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-16 04:30:03,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-16 04:30:03,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:03,615 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 04:30:03,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 04:30:03,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:03,636 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 116 transitions and produced 117 states. [2022-02-16 04:30:03,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:03,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-16 04:30:03,637 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 04:30:03,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 04:30:03,639 INFO L85 PathProgramCache]: Analyzing trace with hash -478344976, now seen corresponding path program 1 times [2022-02-16 04:30:03,639 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 04:30:03,640 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347929893] [2022-02-16 04:30:03,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 04:30:03,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 04:30:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 04:30:03,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 04:30:03,729 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 04:30:03,729 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347929893] [2022-02-16 04:30:03,729 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347929893] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 04:30:03,730 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 04:30:03,730 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-16 04:30:03,730 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852870818] [2022-02-16 04:30:03,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 04:30:03,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 04:30:03,731 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 04:30:03,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 04:30:03,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 04:30:03,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:03,732 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 04:30:03,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 04:30:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:03,765 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 142 transitions and produced 143 states. [2022-02-16 04:30:03,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:03,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:03,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-16 04:30:03,766 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 04:30:03,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 04:30:03,766 INFO L85 PathProgramCache]: Analyzing trace with hash -470305948, now seen corresponding path program 1 times [2022-02-16 04:30:03,766 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 04:30:03,767 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803355200] [2022-02-16 04:30:03,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 04:30:03,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 04:30:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 04:30:03,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 04:30:03,904 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 04:30:03,904 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803355200] [2022-02-16 04:30:03,904 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803355200] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 04:30:03,904 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844711579] [2022-02-16 04:30:03,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 04:30:03,905 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 04:30:03,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 04:30:03,906 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) [2022-02-16 04:30:03,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-16 04:30:04,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 04:30:04,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 2 conjunts are in the unsatisfiable core [2022-02-16 04:30:04,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 04:30:04,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-16 04:30:04,238 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-16 04:30:04,238 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844711579] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 04:30:04,239 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-16 04:30:04,239 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-02-16 04:30:04,239 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771115403] [2022-02-16 04:30:04,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 04:30:04,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 04:30:04,242 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 04:30:04,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 04:30:04,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-16 04:30:04,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:04,243 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 04:30:04,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 04:30:04,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:04,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:04,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:04,301 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 170 transitions and produced 171 states. [2022-02-16 04:30:04,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:04,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:04,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:04,323 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-16 04:30:04,520 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,SelfDestructingSolverStorable2 [2022-02-16 04:30:04,521 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 04:30:04,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 04:30:04,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1744216633, now seen corresponding path program 1 times [2022-02-16 04:30:04,522 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 04:30:04,522 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691992316] [2022-02-16 04:30:04,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 04:30:04,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 04:30:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 04:30:04,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-16 04:30:04,602 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 04:30:04,602 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691992316] [2022-02-16 04:30:04,602 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691992316] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 04:30:04,602 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246322428] [2022-02-16 04:30:04,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 04:30:04,602 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 04:30:04,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 04:30:04,604 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) [2022-02-16 04:30:04,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-16 04:30:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 04:30:04,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-16 04:30:04,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 04:30:05,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-16 04:30:05,157 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 04:30:05,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-16 04:30:05,291 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246322428] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 04:30:05,291 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 04:30:05,291 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-16 04:30:05,292 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222149411] [2022-02-16 04:30:05,292 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 04:30:05,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-16 04:30:05,292 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 04:30:05,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-16 04:30:05,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-16 04:30:05,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:05,293 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 04:30:05,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.3) internal successors, (133), 10 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 04:30:05,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:05,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:05,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:05,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:05,402 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 222 transitions and produced 223 states. [2022-02-16 04:30:05,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:05,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:05,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:05,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 04:30:05,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-16 04:30:05,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 04:30:05,622 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 04:30:05,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 04:30:05,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1554480455, now seen corresponding path program 2 times [2022-02-16 04:30:05,623 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 04:30:05,623 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143856275] [2022-02-16 04:30:05,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 04:30:05,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 04:30:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 04:30:05,694 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-16 04:30:05,695 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 04:30:05,695 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143856275] [2022-02-16 04:30:05,695 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143856275] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 04:30:05,695 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219022343] [2022-02-16 04:30:05,695 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-16 04:30:05,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 04:30:05,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 04:30:05,696 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) [2022-02-16 04:30:05,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-16 04:30:05,791 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-16 04:30:05,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 04:30:05,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-16 04:30:05,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 04:30:05,985 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-16 04:30:05,986 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-16 04:30:05,986 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219022343] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 04:30:05,986 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-16 04:30:05,986 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-02-16 04:30:05,986 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507179197] [2022-02-16 04:30:05,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 04:30:05,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-16 04:30:05,987 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 04:30:05,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-16 04:30:05,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-02-16 04:30:05,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:05,987 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 04:30:05,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 04:30:05,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:05,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:05,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:05,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 04:30:05,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:06,050 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 312 transitions and produced 301 states. [2022-02-16 04:30:06,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:06,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:06,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:06,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 04:30:06,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-16 04:30:06,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-16 04:30:06,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 04:30:06,268 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 04:30:06,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 04:30:06,268 INFO L85 PathProgramCache]: Analyzing trace with hash -941683459, now seen corresponding path program 1 times [2022-02-16 04:30:06,269 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 04:30:06,269 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191313577] [2022-02-16 04:30:06,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 04:30:06,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 04:30:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 04:30:06,355 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-02-16 04:30:06,355 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 04:30:06,355 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191313577] [2022-02-16 04:30:06,356 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191313577] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 04:30:06,356 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 04:30:06,356 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-16 04:30:06,356 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257543983] [2022-02-16 04:30:06,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 04:30:06,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 04:30:06,356 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 04:30:06,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 04:30:06,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 04:30:06,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:06,357 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 04:30:06,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 04:30:06,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:06,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:06,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:06,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 04:30:06,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-16 04:30:06,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:06,384 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 272 transitions and produced 262 states. [2022-02-16 04:30:06,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:06,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:06,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:06,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 04:30:06,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-16 04:30:06,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:06,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-16 04:30:06,387 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 04:30:06,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 04:30:06,387 INFO L85 PathProgramCache]: Analyzing trace with hash -575630323, now seen corresponding path program 2 times [2022-02-16 04:30:06,387 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 04:30:06,387 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66321408] [2022-02-16 04:30:06,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 04:30:06,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 04:30:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 04:30:06,462 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-02-16 04:30:06,463 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 04:30:06,463 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66321408] [2022-02-16 04:30:06,463 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66321408] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 04:30:06,463 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592686942] [2022-02-16 04:30:06,463 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-16 04:30:06,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 04:30:06,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 04:30:06,465 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) [2022-02-16 04:30:06,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-16 04:30:06,579 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-16 04:30:06,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 04:30:06,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-16 04:30:06,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 04:30:06,749 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-02-16 04:30:06,749 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 04:30:06,906 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-02-16 04:30:06,906 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592686942] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 04:30:06,906 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 04:30:06,906 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-16 04:30:06,906 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597563333] [2022-02-16 04:30:06,907 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 04:30:06,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-16 04:30:06,907 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 04:30:06,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-16 04:30:06,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-16 04:30:06,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:06,908 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 04:30:06,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.4) internal successors, (184), 10 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 04:30:06,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:06,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:06,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:06,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 04:30:06,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-16 04:30:06,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:06,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:06,989 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 328 transitions and produced 318 states. [2022-02-16 04:30:06,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:06,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:06,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:06,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 04:30:06,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-16 04:30:06,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:06,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 04:30:07,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-16 04:30:07,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 04:30:07,209 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 04:30:07,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 04:30:07,210 INFO L85 PathProgramCache]: Analyzing trace with hash -83841225, now seen corresponding path program 3 times [2022-02-16 04:30:07,210 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 04:30:07,210 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031217119] [2022-02-16 04:30:07,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 04:30:07,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 04:30:07,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 04:30:07,268 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 62 proven. 12 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-02-16 04:30:07,269 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 04:30:07,269 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031217119] [2022-02-16 04:30:07,269 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031217119] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 04:30:07,269 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373389287] [2022-02-16 04:30:07,269 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-16 04:30:07,269 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 04:30:07,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 04:30:07,270 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) [2022-02-16 04:30:07,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-16 04:30:07,440 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-02-16 04:30:07,441 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 04:30:07,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-16 04:30:07,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 04:30:07,720 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 42 proven. 39 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-02-16 04:30:07,720 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 04:30:07,906 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 42 proven. 39 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-02-16 04:30:07,907 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373389287] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 04:30:07,907 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 04:30:07,907 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 9] total 13 [2022-02-16 04:30:07,907 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384633636] [2022-02-16 04:30:07,907 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 04:30:07,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-16 04:30:07,908 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 04:30:07,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-16 04:30:07,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-02-16 04:30:07,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:07,909 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 04:30:07,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 15.692307692307692) internal successors, (204), 13 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 04:30:07,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:07,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:07,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:07,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 04:30:07,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-16 04:30:07,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:07,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 04:30:07,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:08,271 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 406 transitions and produced 385 states. [2022-02-16 04:30:08,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:08,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:08,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:08,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 04:30:08,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-16 04:30:08,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:08,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 04:30:08,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-16 04:30:08,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-16 04:30:08,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 04:30:08,490 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 04:30:08,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 04:30:08,491 INFO L85 PathProgramCache]: Analyzing trace with hash -331662802, now seen corresponding path program 4 times [2022-02-16 04:30:08,491 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 04:30:08,491 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352010940] [2022-02-16 04:30:08,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 04:30:08,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 04:30:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 04:30:08,571 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 47 proven. 165 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-02-16 04:30:08,571 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 04:30:08,572 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352010940] [2022-02-16 04:30:08,572 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352010940] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 04:30:08,572 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1679616226] [2022-02-16 04:30:08,572 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-16 04:30:08,572 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 04:30:08,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 04:30:08,573 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) [2022-02-16 04:30:08,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-16 04:30:08,694 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-16 04:30:08,694 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 04:30:08,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-16 04:30:08,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 04:30:08,933 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 47 proven. 165 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-02-16 04:30:08,934 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 04:30:09,175 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 47 proven. 165 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-02-16 04:30:09,176 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1679616226] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 04:30:09,176 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 04:30:09,176 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 11 [2022-02-16 04:30:09,176 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829662742] [2022-02-16 04:30:09,176 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 04:30:09,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-16 04:30:09,177 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 04:30:09,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-16 04:30:09,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-02-16 04:30:09,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:09,179 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 04:30:09,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.545454545454545) internal successors, (171), 11 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 04:30:09,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:09,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:09,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:09,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 04:30:09,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-16 04:30:09,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:09,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 04:30:09,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-16 04:30:09,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:09,319 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 482 transitions and produced 450 states. [2022-02-16 04:30:09,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:09,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:09,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:09,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 04:30:09,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-16 04:30:09,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:09,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 04:30:09,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-16 04:30:09,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-16 04:30:09,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-16 04:30:09,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 04:30:09,538 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 04:30:09,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 04:30:09,538 INFO L85 PathProgramCache]: Analyzing trace with hash 497871630, now seen corresponding path program 5 times [2022-02-16 04:30:09,538 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 04:30:09,538 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721256841] [2022-02-16 04:30:09,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 04:30:09,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 04:30:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 04:30:09,923 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 114 proven. 382 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-02-16 04:30:09,923 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 04:30:09,923 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721256841] [2022-02-16 04:30:09,923 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721256841] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 04:30:09,923 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376288299] [2022-02-16 04:30:09,923 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-16 04:30:09,923 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 04:30:09,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 04:30:09,925 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) [2022-02-16 04:30:09,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-16 04:30:10,105 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-02-16 04:30:10,105 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 04:30:10,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 31 conjunts are in the unsatisfiable core [2022-02-16 04:30:10,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 04:30:11,076 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 114 proven. 382 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-02-16 04:30:11,076 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 04:30:11,893 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-02-16 04:30:11,893 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376288299] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 04:30:11,893 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 04:30:11,893 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 17] total 43 [2022-02-16 04:30:11,893 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753430303] [2022-02-16 04:30:11,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 04:30:11,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-02-16 04:30:11,894 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 04:30:11,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-02-16 04:30:11,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=1677, Unknown=0, NotChecked=0, Total=1806 [2022-02-16 04:30:11,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:11,895 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 04:30:11,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 9.44186046511628) internal successors, (406), 43 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 04:30:11,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 04:30:11,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:11,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:11,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 04:30:11,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-16 04:30:11,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 04:30:11,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 04:30:11,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-16 04:30:11,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-16 04:30:11,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.