/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-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-20 07:36:05,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 07:36:05,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 07:36:05,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 07:36:05,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 07:36:05,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 07:36:05,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 07:36:05,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 07:36:05,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 07:36:05,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 07:36:05,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 07:36:05,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 07:36:05,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 07:36:05,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 07:36:05,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 07:36:05,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 07:36:05,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 07:36:05,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 07:36:05,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 07:36:05,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 07:36:05,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 07:36:05,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 07:36:05,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 07:36:05,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 07:36:05,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-20 07:36:05,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 07:36:05,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 07:36:05,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 07:36:05,429 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-MCRwithoutDepranks-Lazy.epf [2022-02-20 07:36:05,468 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 07:36:05,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 07:36:05,469 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 07:36:05,469 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 07:36:05,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 07:36:05,470 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 07:36:05,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 07:36:05,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 07:36:05,475 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 07:36:05,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 07:36:05,476 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 07:36:05,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 07:36:05,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 07:36:05,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 07:36:05,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 07:36:05,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 07:36:05,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 07:36:05,477 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 07:36:05,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 07:36:05,477 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 07:36:05,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 07:36:05,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 07:36:05,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 07:36:05,478 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-20 07:36:05,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 07:36:05,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 07:36:05,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 07:36:05,481 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-20 07:36:05,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 07:36:05,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 07:36:05,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 07:36:05,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 07:36:05,481 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 07:36:05,481 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-20 07:36:05,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 07:36:05,482 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-20 07:36:05,482 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-20 07:36:05,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 07:36:05,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 07:36:05,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 07:36:05,688 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 07:36:05,693 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 07:36:05,694 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i [2022-02-20 07:36:05,757 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd7f2e88e/4ce46ee0569749a0bea1e739855fb598/FLAG56c625d13 [2022-02-20 07:36:06,249 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 07:36:06,249 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i [2022-02-20 07:36:06,273 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd7f2e88e/4ce46ee0569749a0bea1e739855fb598/FLAG56c625d13 [2022-02-20 07:36:06,550 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd7f2e88e/4ce46ee0569749a0bea1e739855fb598 [2022-02-20 07:36:06,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 07:36:06,554 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-20 07:36:06,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 07:36:06,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 07:36:06,572 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 07:36:06,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 07:36:06" (1/1) ... [2022-02-20 07:36:06,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4270091b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:36:06, skipping insertion in model container [2022-02-20 07:36:06,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 07:36:06" (1/1) ... [2022-02-20 07:36:06,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 07:36:06,647 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 07:36:06,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i[1107,1120] [2022-02-20 07:36:06,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 07:36:06,956 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 07:36:06,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i[1107,1120] [2022-02-20 07:36:07,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 07:36:07,051 INFO L208 MainTranslator]: Completed translation [2022-02-20 07:36:07,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:36:07 WrapperNode [2022-02-20 07:36:07,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 07:36:07,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 07:36:07,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 07:36:07,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 07:36:07,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:36:07" (1/1) ... [2022-02-20 07:36:07,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:36:07" (1/1) ... [2022-02-20 07:36:07,084 INFO L137 Inliner]: procedures = 163, calls = 38, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2022-02-20 07:36:07,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 07:36:07,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 07:36:07,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 07:36:07,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 07:36:07,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:36:07" (1/1) ... [2022-02-20 07:36:07,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:36:07" (1/1) ... [2022-02-20 07:36:07,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:36:07" (1/1) ... [2022-02-20 07:36:07,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:36:07" (1/1) ... [2022-02-20 07:36:07,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:36:07" (1/1) ... [2022-02-20 07:36:07,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:36:07" (1/1) ... [2022-02-20 07:36:07,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:36:07" (1/1) ... [2022-02-20 07:36:07,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 07:36:07,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 07:36:07,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 07:36:07,106 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 07:36:07,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:36:07" (1/1) ... [2022-02-20 07:36:07,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 07:36:07,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 07:36:07,141 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) [2022-02-20 07:36:07,145 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 [2022-02-20 07:36:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 07:36:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-20 07:36:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 07:36:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 07:36:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-20 07:36:07,180 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-20 07:36:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 07:36:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 07:36:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 07:36:07,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 07:36:07,181 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-20 07:36:07,257 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 07:36:07,258 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 07:36:07,479 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 07:36:07,485 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 07:36:07,485 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 07:36:07,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 07:36:07 BoogieIcfgContainer [2022-02-20 07:36:07,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 07:36:07,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 07:36:07,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 07:36:07,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 07:36:07,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 07:36:06" (1/3) ... [2022-02-20 07:36:07,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c41248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 07:36:07, skipping insertion in model container [2022-02-20 07:36:07,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:36:07" (2/3) ... [2022-02-20 07:36:07,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c41248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 07:36:07, skipping insertion in model container [2022-02-20 07:36:07,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 07:36:07" (3/3) ... [2022-02-20 07:36:07,494 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_34-traces-minepp-L-needs-to-be-um_true.i [2022-02-20 07:36:07,497 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 07:36:07,498 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 07:36:07,498 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 07:36:07,498 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 07:36:07,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,524 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,524 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,524 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,524 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,531 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,531 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 07:36:07,533 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-20 07:36:07,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-20 07:36:07,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 07:36:07,567 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) [2022-02-20 07:36:07,590 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 [2022-02-20 07:36:07,622 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 07:36:07,629 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=true, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-20 07:36:07,629 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-20 07:36:07,769 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 74 transitions and produced 75 states. [2022-02-20 07:36:07,772 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-20 07:36:07,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 07:36:07,778 INFO L85 PathProgramCache]: Analyzing trace with hash 347770763, now seen corresponding path program 1 times [2022-02-20 07:36:07,791 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 07:36:07,792 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061079397] [2022-02-20 07:36:07,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 07:36:07,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 07:36:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 07:36:08,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 07:36:08,105 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 07:36:08,105 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061079397] [2022-02-20 07:36:08,106 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061079397] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 07:36:08,106 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 07:36:08,106 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 07:36:08,107 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371820471] [2022-02-20 07:36:08,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 07:36:08,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 07:36:08,111 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 07:36:08,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 07:36:08,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 07:36:08,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 07:36:08,136 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 07:36:08,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 07:36:08,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 07:37:08,822 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 11658 transitions and produced 11659 states. [2022-02-20 07:37:08,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 07:37:08,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 07:37:08,825 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-20 07:37:08,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 07:37:08,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1087187833, now seen corresponding path program 1 times [2022-02-20 07:37:08,826 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 07:37:08,826 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322233928] [2022-02-20 07:37:08,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 07:37:08,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 07:37:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 07:37:09,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 07:37:09,069 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 07:37:09,069 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322233928] [2022-02-20 07:37:09,069 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322233928] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 07:37:09,069 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 07:37:09,070 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-20 07:37:09,070 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165083074] [2022-02-20 07:37:09,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 07:37:09,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-20 07:37:09,071 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 07:37:09,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-20 07:37:09,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-02-20 07:37:09,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 07:37:09,072 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 07:37:09,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 07:37:09,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-20 07:37:09,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 07:37:17,177 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 6084 transitions and produced 6085 states. [2022-02-20 07:37:17,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 07:37:17,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 07:37:17,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 07:37:17,179 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-20 07:37:17,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 07:37:17,179 INFO L85 PathProgramCache]: Analyzing trace with hash 2088059562, now seen corresponding path program 1 times [2022-02-20 07:37:17,180 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 07:37:17,180 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908727030] [2022-02-20 07:37:17,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 07:37:17,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 07:37:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 07:37:17,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 07:37:17,258 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 07:37:17,259 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908727030] [2022-02-20 07:37:17,259 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908727030] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 07:37:17,259 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 07:37:17,259 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 07:37:17,259 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575222441] [2022-02-20 07:37:17,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 07:37:17,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 07:37:17,261 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 07:37:17,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 07:37:17,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 07:37:17,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 07:37:17,262 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 07:37:17,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 07:37:17,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-20 07:37:17,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-20 07:37:17,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 07:37:19,959 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1132 transitions and produced 1133 states. [2022-02-20 07:37:19,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 07:37:19,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 07:37:19,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 07:37:19,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 07:37:19,960 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-20 07:37:19,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 07:37:19,961 INFO L85 PathProgramCache]: Analyzing trace with hash 278060358, now seen corresponding path program 2 times [2022-02-20 07:37:19,961 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 07:37:19,961 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164564779] [2022-02-20 07:37:19,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 07:37:19,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 07:37:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 07:37:20,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 07:37:20,157 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 07:37:20,159 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164564779] [2022-02-20 07:37:20,159 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164564779] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 07:37:20,159 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 07:37:20,159 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-20 07:37:20,159 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766051471] [2022-02-20 07:37:20,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 07:37:20,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-20 07:37:20,160 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 07:37:20,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-20 07:37:20,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-02-20 07:37:20,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 07:37:20,161 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 07:37:20,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 07:37:20,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-20 07:37:20,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-20 07:37:20,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 07:37:20,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 07:37:37,081 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 9932 transitions and produced 9933 states. [2022-02-20 07:37:37,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 07:37:37,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 07:37:37,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 07:37:37,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 07:37:37,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 07:37:37,082 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-20 07:37:37,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 07:37:37,083 INFO L85 PathProgramCache]: Analyzing trace with hash 103451083, now seen corresponding path program 1 times [2022-02-20 07:37:37,083 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 07:37:37,083 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134357827] [2022-02-20 07:37:37,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 07:37:37,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 07:37:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 07:37:37,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 07:37:37,147 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 07:37:37,147 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134357827] [2022-02-20 07:37:37,147 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134357827] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 07:37:37,147 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 07:37:37,147 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 07:37:37,148 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936729643] [2022-02-20 07:37:37,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 07:37:37,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 07:37:37,148 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 07:37:37,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 07:37:37,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-20 07:37:37,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 07:37:37,149 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 07:37:37,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 07:37:37,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-20 07:37:37,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-20 07:37:37,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 07:37:37,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-20 07:37:37,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 07:38:02,688 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 15214 transitions and produced 15215 states. [2022-02-20 07:38:02,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 07:38:02,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 07:38:02,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 07:38:02,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 07:38:02,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 07:38:02,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 07:38:02,689 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-20 07:38:02,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 07:38:02,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1159430997, now seen corresponding path program 2 times [2022-02-20 07:38:02,690 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 07:38:02,690 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080314311] [2022-02-20 07:38:02,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 07:38:02,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 07:38:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 07:38:02,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 07:38:02,773 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 07:38:02,774 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080314311] [2022-02-20 07:38:02,774 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080314311] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 07:38:02,774 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 07:38:02,774 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 07:38:02,774 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253308981] [2022-02-20 07:38:02,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 07:38:02,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 07:38:02,775 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 07:38:02,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 07:38:02,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-20 07:38:02,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 07:38:02,776 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 07:38:02,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 07:38:02,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-20 07:38:02,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-20 07:38:02,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 07:38:02,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-20 07:38:02,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-20 07:38:02,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.