/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-POR-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-parray-copy.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 04:26:28,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 04:26:28,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 04:26:28,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-11 04:26:28,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-11 04:26:28,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-11 04:26:28,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-11 04:26:28,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-11 04:26:28,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-11 04:26:28,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-11 04:26:28,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-11 04:26:28,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-11 04:26:28,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 04:26:28,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 04:26:28,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 04:26:28,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 04:26:28,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 04:26:28,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 04:26:28,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 04:26:28,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 04:26:28,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 04:26:28,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 04:26:28,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 04:26:28,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 04:26:28,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-11 04:26:28,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-11 04:26:28,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-11 04:26:28,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-11 04:26:28,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-11 04:26:28,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-11 04:26:28,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-11 04:26:28,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-11 04:26:28,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-11 04:26:28,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-11 04:26:28,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-11 04:26:28,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-11 04:26:28,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-11 04:26:28,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-11 04:26:28,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 04:26:28,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 04:26:28,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 04:26:28,301 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-POR-NewStatesSleepPersistent-NoLbe.epf [2022-02-11 04:26:28,319 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 04:26:28,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 04:26:28,319 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 04:26:28,319 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 04:26:28,320 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 04:26:28,320 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 04:26:28,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 04:26:28,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 04:26:28,321 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 04:26:28,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 04:26:28,321 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 04:26:28,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 04:26:28,322 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 04:26:28,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 04:26:28,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 04:26:28,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 04:26:28,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 04:26:28,322 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 04:26:28,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 04:26:28,322 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 04:26:28,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 04:26:28,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 04:26:28,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 04:26:28,323 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 04:26:28,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 04:26:28,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 04:26:28,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 04:26:28,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 04:26:28,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 04:26:28,323 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 04:26:28,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 04:26:28,324 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 04:26:28,324 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 04:26:28,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 04:26:28,324 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 04:26:28,324 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2022-02-11 04:26:28,324 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-11 04:26:28,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 04:26:28,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 04:26:28,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 04:26:28,530 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-11 04:26:28,531 INFO L275 PluginConnector]: CDTParser initialized [2022-02-11 04:26:28,532 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-parray-copy.wvr.c [2022-02-11 04:26:28,579 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d5167998/a6e055eb7c914e7787503fdf9d4be641/FLAGf82090b38 [2022-02-11 04:26:28,892 INFO L306 CDTParser]: Found 1 translation units. [2022-02-11 04:26:28,892 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-parray-copy.wvr.c [2022-02-11 04:26:28,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d5167998/a6e055eb7c914e7787503fdf9d4be641/FLAGf82090b38 [2022-02-11 04:26:29,318 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d5167998/a6e055eb7c914e7787503fdf9d4be641 [2022-02-11 04:26:29,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 04:26:29,321 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-11 04:26:29,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-11 04:26:29,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-11 04:26:29,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-11 04:26:29,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 04:26:29" (1/1) ... [2022-02-11 04:26:29,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f6c7736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 04:26:29, skipping insertion in model container [2022-02-11 04:26:29,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 04:26:29" (1/1) ... [2022-02-11 04:26:29,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-11 04:26:29,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-11 04:26:29,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-parray-copy.wvr.c[2385,2398] [2022-02-11 04:26:29,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 04:26:29,553 INFO L203 MainTranslator]: Completed pre-run [2022-02-11 04:26:29,582 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-parray-copy.wvr.c[2385,2398] [2022-02-11 04:26:29,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 04:26:29,595 INFO L208 MainTranslator]: Completed translation [2022-02-11 04:26:29,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 04:26:29 WrapperNode [2022-02-11 04:26:29,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-11 04:26:29,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 04:26:29,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 04:26:29,596 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 04:26:29,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 04:26:29" (1/1) ... [2022-02-11 04:26:29,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 04:26:29" (1/1) ... [2022-02-11 04:26:29,636 INFO L137 Inliner]: procedures = 24, calls = 41, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 139 [2022-02-11 04:26:29,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 04:26:29,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 04:26:29,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 04:26:29,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 04:26:29,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 04:26:29" (1/1) ... [2022-02-11 04:26:29,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 04:26:29" (1/1) ... [2022-02-11 04:26:29,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 04:26:29" (1/1) ... [2022-02-11 04:26:29,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 04:26:29" (1/1) ... [2022-02-11 04:26:29,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 04:26:29" (1/1) ... [2022-02-11 04:26:29,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 04:26:29" (1/1) ... [2022-02-11 04:26:29,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 04:26:29" (1/1) ... [2022-02-11 04:26:29,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 04:26:29,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 04:26:29,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 04:26:29,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 04:26:29,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 04:26:29" (1/1) ... [2022-02-11 04:26:29,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 04:26:29,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 04:26:29,701 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) [2022-02-11 04:26:29,719 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 [2022-02-11 04:26:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-11 04:26:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-11 04:26:29,733 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-11 04:26:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-11 04:26:29,733 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-11 04:26:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-11 04:26:29,734 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-11 04:26:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-11 04:26:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-11 04:26:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-11 04:26:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-11 04:26:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 04:26:29,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 04:26:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-11 04:26:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-11 04:26:29,735 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-11 04:26:29,804 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 04:26:29,805 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 04:26:29,993 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 04:26:30,000 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 04:26:30,000 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-02-11 04:26:30,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 04:26:30 BoogieIcfgContainer [2022-02-11 04:26:30,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 04:26:30,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 04:26:30,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 04:26:30,006 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 04:26:30,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.02 04:26:29" (1/3) ... [2022-02-11 04:26:30,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4645fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 04:26:30, skipping insertion in model container [2022-02-11 04:26:30,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 04:26:29" (2/3) ... [2022-02-11 04:26:30,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4645fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 04:26:30, skipping insertion in model container [2022-02-11 04:26:30,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 04:26:30" (3/3) ... [2022-02-11 04:26:30,007 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-parray-copy.wvr.c [2022-02-11 04:26:30,011 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 04:26:30,011 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 04:26:30,011 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-11 04:26:30,012 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 04:26:30,068 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,068 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,068 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,069 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,069 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,070 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,070 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,070 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,070 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,071 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,071 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,071 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,072 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,072 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,073 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,073 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,073 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,074 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,074 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,074 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,074 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,075 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,075 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,075 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,076 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,076 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,078 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,078 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,079 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,080 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,080 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,082 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,082 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,082 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,082 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,083 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,083 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,083 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,083 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,083 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,083 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,083 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,084 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,084 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,084 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,084 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,084 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,084 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,085 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,085 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,085 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,085 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,085 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,085 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,085 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,085 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,085 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,086 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,086 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,086 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,086 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,086 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,086 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,087 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,087 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,087 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,087 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,087 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,087 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,087 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,088 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,088 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,088 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,088 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,088 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,088 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,089 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,089 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,089 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,089 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,089 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,089 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,089 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,089 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,090 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,090 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,090 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,090 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,090 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,090 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,098 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,098 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,098 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,098 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,098 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,102 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,102 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,102 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,102 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,102 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,105 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,105 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,105 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,105 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,105 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:30,114 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-11 04:26:30,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 04:26:30,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 04:26:30,167 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) [2022-02-11 04:26:30,168 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 [2022-02-11 04:26:30,191 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 04:26:30,195 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, 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 [2022-02-11 04:26:30,195 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-11 04:26:30,327 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 04:26:30,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 04:26:30,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1132240510, now seen corresponding path program 1 times [2022-02-11 04:26:30,337 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 04:26:30,337 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871839176] [2022-02-11 04:26:30,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 04:26:30,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 04:26:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 04:26:30,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 04:26:30,528 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 04:26:30,529 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871839176] [2022-02-11 04:26:30,529 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871839176] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 04:26:30,529 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 04:26:30,529 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-11 04:26:30,530 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316892706] [2022-02-11 04:26:30,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 04:26:30,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-11 04:26:30,535 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 04:26:30,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-11 04:26:30,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-11 04:26:30,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:26:30,552 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 04:26:30,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 75.5) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 04:26:30,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:26:30,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:26:30,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-11 04:26:30,601 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 04:26:30,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 04:26:30,602 INFO L85 PathProgramCache]: Analyzing trace with hash -779706459, now seen corresponding path program 1 times [2022-02-11 04:26:30,602 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 04:26:30,602 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293639602] [2022-02-11 04:26:30,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 04:26:30,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 04:26:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 04:26:30,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 04:26:30,911 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 04:26:30,911 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293639602] [2022-02-11 04:26:30,911 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293639602] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 04:26:30,911 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 04:26:30,911 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-11 04:26:30,911 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515229259] [2022-02-11 04:26:30,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 04:26:30,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-11 04:26:30,913 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 04:26:30,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-11 04:26:30,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-11 04:26:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:26:30,913 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 04:26:30,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 04:26:30,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:26:30,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:26:31,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:26:31,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:26:31,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-11 04:26:31,089 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 04:26:31,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 04:26:31,090 INFO L85 PathProgramCache]: Analyzing trace with hash -2041717241, now seen corresponding path program 1 times [2022-02-11 04:26:31,090 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 04:26:31,090 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381057116] [2022-02-11 04:26:31,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 04:26:31,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 04:26:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 04:26:31,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 04:26:31,295 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 04:26:31,295 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381057116] [2022-02-11 04:26:31,295 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381057116] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 04:26:31,295 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 04:26:31,295 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-11 04:26:31,296 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094112928] [2022-02-11 04:26:31,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 04:26:31,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-11 04:26:31,296 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 04:26:31,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-11 04:26:31,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-02-11 04:26:31,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:26:31,297 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 04:26:31,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 04:26:31,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:26:31,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:26:31,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:26:31,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:26:31,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:26:31,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 04:26:31,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-11 04:26:31,510 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 04:26:31,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 04:26:31,511 INFO L85 PathProgramCache]: Analyzing trace with hash -896092612, now seen corresponding path program 1 times [2022-02-11 04:26:31,511 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 04:26:31,511 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676993163] [2022-02-11 04:26:31,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 04:26:31,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 04:26:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 04:26:31,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-11 04:26:31,605 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 04:26:31,606 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676993163] [2022-02-11 04:26:31,606 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676993163] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 04:26:31,609 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539697515] [2022-02-11 04:26:31,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 04:26:31,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 04:26:31,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 04:26:31,612 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) [2022-02-11 04:26:31,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-11 04:26:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 04:26:31,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-11 04:26:31,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 04:26:32,091 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-11 04:26:32,091 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 04:26:32,419 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-11 04:26:32,419 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539697515] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-11 04:26:32,419 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-11 04:26:32,420 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-02-11 04:26:32,420 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030059354] [2022-02-11 04:26:32,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 04:26:32,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-11 04:26:32,420 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 04:26:32,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-11 04:26:32,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-02-11 04:26:32,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:26:32,421 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 04:26:32,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.571428571428573) internal successors, (165), 7 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 04:26:32,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:26:32,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:26:32,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-11 04:26:32,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:26:32,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:26:32,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:26:32,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 04:26:32,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:26:32,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-11 04:26:32,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-02-11 04:26:32,724 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 04:26:32,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 04:26:32,724 INFO L85 PathProgramCache]: Analyzing trace with hash 72737214, now seen corresponding path program 1 times [2022-02-11 04:26:32,724 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 04:26:32,724 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944816310] [2022-02-11 04:26:32,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 04:26:32,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 04:26:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 04:26:34,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 04:26:34,665 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 04:26:34,665 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944816310] [2022-02-11 04:26:34,665 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944816310] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 04:26:34,666 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750773271] [2022-02-11 04:26:34,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 04:26:34,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 04:26:34,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 04:26:34,667 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) [2022-02-11 04:26:34,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-11 04:26:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 04:26:34,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 67 conjunts are in the unsatisfiable core [2022-02-11 04:26:34,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 04:26:34,948 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-11 04:26:35,622 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-11 04:26:35,622 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-11 04:26:36,518 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-02-11 04:26:36,686 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:37,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 04:26:37,705 INFO L353 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2022-02-11 04:26:37,705 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 13 [2022-02-11 04:26:37,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 04:26:37,721 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 04:26:39,634 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 04:26:39,634 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 102 treesize of output 98 [2022-02-11 04:26:39,731 INFO L353 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-02-11 04:26:39,732 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 34 [2022-02-11 04:26:39,765 INFO L353 Elim1Store]: treesize reduction 9, result has 43.8 percent of original size [2022-02-11 04:26:39,765 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 24 [2022-02-11 04:26:39,774 INFO L353 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-02-11 04:26:39,774 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 1 [2022-02-11 04:26:42,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 04:26:42,659 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750773271] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 04:26:42,659 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 04:26:42,659 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 32, 25] total 86 [2022-02-11 04:26:42,660 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081311323] [2022-02-11 04:26:42,660 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 04:26:42,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2022-02-11 04:26:42,660 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 04:26:42,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2022-02-11 04:26:42,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=495, Invalid=6811, Unknown=4, NotChecked=0, Total=7310 [2022-02-11 04:26:42,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:26:42,664 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 04:26:42,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 5.186046511627907) internal successors, (446), 86 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 04:26:42,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:26:42,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:26:42,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-11 04:26:42,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:26:42,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:26:47,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:26:47,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:26:47,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 04:26:47,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:26:47,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2022-02-11 04:26:47,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-11 04:26:47,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 04:26:47,357 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 04:26:47,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 04:26:47,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1719688680, now seen corresponding path program 2 times [2022-02-11 04:26:47,358 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 04:26:47,358 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856594236] [2022-02-11 04:26:47,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 04:26:47,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 04:26:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 04:26:48,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 04:26:48,687 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 04:26:48,687 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856594236] [2022-02-11 04:26:48,687 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856594236] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 04:26:48,687 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098911033] [2022-02-11 04:26:48,687 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-11 04:26:48,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 04:26:48,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 04:26:48,688 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) [2022-02-11 04:26:48,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-11 04:26:48,827 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-11 04:26:48,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 04:26:48,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 71 conjunts are in the unsatisfiable core [2022-02-11 04:26:48,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 04:26:48,925 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-11 04:26:49,219 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-11 04:26:49,219 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-11 04:26:49,916 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-02-11 04:26:50,012 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:26:50,666 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2022-02-11 04:26:50,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-11 04:26:50,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 04:26:51,755 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 04:26:51,755 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 102 treesize of output 98 [2022-02-11 04:26:51,776 INFO L353 Elim1Store]: treesize reduction 22, result has 55.1 percent of original size [2022-02-11 04:26:51,777 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 130 treesize of output 120 [2022-02-11 04:26:51,820 INFO L353 Elim1Store]: treesize reduction 9, result has 43.8 percent of original size [2022-02-11 04:26:51,821 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 24 [2022-02-11 04:26:52,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-11 04:26:52,491 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098911033] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 04:26:52,491 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 04:26:52,491 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 31, 20] total 81 [2022-02-11 04:26:52,492 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581827620] [2022-02-11 04:26:52,492 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 04:26:52,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2022-02-11 04:26:52,492 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 04:26:52,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2022-02-11 04:26:52,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=6154, Unknown=1, NotChecked=0, Total=6480 [2022-02-11 04:26:52,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:26:52,494 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 04:26:52,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 5.296296296296297) internal successors, (429), 81 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 04:26:52,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:26:52,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:26:52,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-11 04:26:52,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:26:52,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2022-02-11 04:26:52,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:26:57,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:26:57,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:26:57,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 04:26:57,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:26:57,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2022-02-11 04:26:57,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2022-02-11 04:26:57,886 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-11 04:26:58,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 04:26:58,048 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 04:26:58,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 04:26:58,048 INFO L85 PathProgramCache]: Analyzing trace with hash 374588562, now seen corresponding path program 3 times [2022-02-11 04:26:58,048 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 04:26:58,048 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524451500] [2022-02-11 04:26:58,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 04:26:58,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 04:26:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 04:26:58,204 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 04:26:58,204 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 04:26:58,204 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524451500] [2022-02-11 04:26:58,204 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524451500] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 04:26:58,205 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153150432] [2022-02-11 04:26:58,205 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-11 04:26:58,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 04:26:58,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 04:26:58,216 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) [2022-02-11 04:26:58,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-11 04:26:58,407 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-02-11 04:26:58,408 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 04:26:58,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-11 04:26:58,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 04:26:58,898 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-11 04:26:58,898 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 04:26:59,206 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-11 04:26:59,206 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153150432] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 04:26:59,206 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 04:26:59,206 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 31 [2022-02-11 04:26:59,206 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125247251] [2022-02-11 04:26:59,206 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 04:26:59,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-02-11 04:26:59,210 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 04:26:59,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-02-11 04:26:59,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=820, Unknown=0, NotChecked=0, Total=930 [2022-02-11 04:26:59,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:26:59,211 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 04:26:59,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 10.935483870967742) internal successors, (339), 31 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 04:26:59,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:26:59,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:26:59,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-11 04:26:59,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:26:59,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2022-02-11 04:26:59,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2022-02-11 04:26:59,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:27:02,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:27:02,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:27:02,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 04:27:02,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:27:02,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-11 04:27:02,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-02-11 04:27:02,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-11 04:27:02,059 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-11 04:27:02,260 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 [2022-02-11 04:27:02,260 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 04:27:02,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 04:27:02,261 INFO L85 PathProgramCache]: Analyzing trace with hash 322148092, now seen corresponding path program 4 times [2022-02-11 04:27:02,261 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 04:27:02,261 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287178990] [2022-02-11 04:27:02,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 04:27:02,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 04:27:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 04:27:02,366 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 04:27:02,367 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 04:27:02,367 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287178990] [2022-02-11 04:27:02,367 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287178990] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 04:27:02,367 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091488040] [2022-02-11 04:27:02,367 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-11 04:27:02,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 04:27:02,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 04:27:02,368 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) [2022-02-11 04:27:02,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-11 04:27:02,459 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-11 04:27:02,460 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 04:27:02,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-11 04:27:02,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 04:27:02,729 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 04:27:02,730 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 04:27:03,020 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 04:27:03,020 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091488040] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 04:27:03,021 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 04:27:03,021 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2022-02-11 04:27:03,021 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829442490] [2022-02-11 04:27:03,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 04:27:03,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-02-11 04:27:03,021 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 04:27:03,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-02-11 04:27:03,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2022-02-11 04:27:03,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:27:03,022 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 04:27:03,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 10.416666666666666) internal successors, (250), 24 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 04:27:03,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:27:03,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:27:03,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-11 04:27:03,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:27:03,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-11 04:27:03,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-02-11 04:27:03,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-11 04:27:03,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:27:04,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:27:04,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:27:04,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 04:27:04,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:27:04,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-02-11 04:27:04,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-02-11 04:27:04,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-11 04:27:04,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-11 04:27:04,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-11 04:27:04,714 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 [2022-02-11 04:27:04,715 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 04:27:04,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 04:27:04,715 INFO L85 PathProgramCache]: Analyzing trace with hash -805850976, now seen corresponding path program 5 times [2022-02-11 04:27:04,715 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 04:27:04,715 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927201537] [2022-02-11 04:27:04,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 04:27:04,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 04:27:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 04:27:06,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 04:27:06,340 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 04:27:06,340 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927201537] [2022-02-11 04:27:06,340 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927201537] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 04:27:06,340 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655981732] [2022-02-11 04:27:06,340 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-11 04:27:06,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 04:27:06,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 04:27:06,342 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) [2022-02-11 04:27:06,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-11 04:27:06,433 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-11 04:27:06,433 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 04:27:06,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 78 conjunts are in the unsatisfiable core [2022-02-11 04:27:06,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 04:27:06,555 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-11 04:27:07,095 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-11 04:27:07,096 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-11 04:27:07,914 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-02-11 04:27:08,056 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:27:09,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 04:27:09,019 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 10 [2022-02-11 04:27:09,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 04:27:09,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 04:27:11,421 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 04:27:11,422 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 102 treesize of output 98 [2022-02-11 04:27:11,432 INFO L353 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-02-11 04:27:11,433 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 28 [2022-02-11 04:27:11,456 INFO L353 Elim1Store]: treesize reduction 22, result has 55.1 percent of original size [2022-02-11 04:27:11,456 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 101 [2022-02-11 04:27:11,480 INFO L353 Elim1Store]: treesize reduction 9, result has 43.8 percent of original size [2022-02-11 04:27:11,481 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 24 [2022-02-11 04:27:12,396 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-11 04:27:12,396 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655981732] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 04:27:12,396 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 04:27:12,396 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 34, 17] total 83 [2022-02-11 04:27:12,396 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33217367] [2022-02-11 04:27:12,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 04:27:12,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2022-02-11 04:27:12,397 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 04:27:12,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2022-02-11 04:27:12,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=6478, Unknown=3, NotChecked=0, Total=6806 [2022-02-11 04:27:12,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:27:12,399 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 04:27:12,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 5.373493975903615) internal successors, (446), 83 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 04:27:12,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:27:12,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:27:12,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-11 04:27:12,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:27:12,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2022-02-11 04:27:12,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-02-11 04:27:12,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-11 04:27:12,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-11 04:27:12,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:27:16,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:27:16,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:27:16,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 04:27:16,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:27:16,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2022-02-11 04:27:16,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-02-11 04:27:16,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-11 04:27:16,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-11 04:27:16,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-02-11 04:27:16,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-11 04:27:17,139 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 [2022-02-11 04:27:17,140 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 04:27:17,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 04:27:17,140 INFO L85 PathProgramCache]: Analyzing trace with hash 91204050, now seen corresponding path program 6 times [2022-02-11 04:27:17,140 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 04:27:17,140 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288960884] [2022-02-11 04:27:17,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 04:27:17,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 04:27:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 04:27:17,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 04:27:17,731 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 04:27:17,731 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288960884] [2022-02-11 04:27:17,731 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288960884] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 04:27:17,731 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901734865] [2022-02-11 04:27:17,731 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-11 04:27:17,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 04:27:17,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 04:27:17,733 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) [2022-02-11 04:27:17,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-11 04:27:17,867 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-02-11 04:27:17,867 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 04:27:17,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 65 conjunts are in the unsatisfiable core [2022-02-11 04:27:17,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 04:27:18,091 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-11 04:27:18,185 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-11 04:27:18,390 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-11 04:27:18,390 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-11 04:27:18,466 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-11 04:27:18,734 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-11 04:27:18,804 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-11 04:27:18,861 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-11 04:27:19,025 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-02-11 04:27:19,079 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-02-11 04:27:19,617 INFO L353 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2022-02-11 04:27:19,617 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 16 [2022-02-11 04:27:19,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 04:27:19,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 04:27:22,511 INFO L353 Elim1Store]: treesize reduction 26, result has 53.6 percent of original size [2022-02-11 04:27:22,512 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 74 treesize of output 83 [2022-02-11 04:27:24,977 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~k~0#1| Int) (v_arrayElimArr_1 (Array Int Int)) (~B~0.offset Int)) (or (< |ULTIMATE.start_main_~k~0#1| 0) (let ((.cse0 (* |ULTIMATE.start_main_~k~0#1| 4))) (= (select v_arrayElimArr_1 (+ .cse0 ~B~0.offset)) (select (select (store |c_#memory_int| c_~B~0.base v_arrayElimArr_1) c_~A~0.base) (+ .cse0 c_~A~0.offset)))) (not (= (select (select |c_#memory_int| c_~A~0.base) c_~A~0.offset) (select v_arrayElimArr_1 ~B~0.offset))) (<= 1 |ULTIMATE.start_main_~k~0#1|))) is different from false [2022-02-11 04:27:25,022 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~k~0#1| Int) (v_ArrVal_406 (Array Int Int)) (v_arrayElimArr_1 (Array Int Int)) (~B~0.offset Int)) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_406))) (or (< |ULTIMATE.start_main_~k~0#1| 0) (not (= (select (select .cse0 c_~A~0.base) c_~A~0.offset) (select v_arrayElimArr_1 ~B~0.offset))) (<= 1 |ULTIMATE.start_main_~k~0#1|) (let ((.cse1 (* |ULTIMATE.start_main_~k~0#1| 4))) (= (select v_arrayElimArr_1 (+ .cse1 ~B~0.offset)) (select (select (store .cse0 c_~B~0.base v_arrayElimArr_1) c_~A~0.base) (+ .cse1 c_~A~0.offset))))))) is different from false [2022-02-11 04:27:25,188 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_405 (Array Int Int)) (|ULTIMATE.start_main_~k~0#1| Int) (v_ArrVal_406 (Array Int Int)) (v_arrayElimArr_1 (Array Int Int)) (~B~0.offset Int)) (let ((.cse1 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_405) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_406))) (or (let ((.cse0 (* |ULTIMATE.start_main_~k~0#1| 4))) (= (select v_arrayElimArr_1 (+ .cse0 ~B~0.offset)) (select (select (store .cse1 c_~B~0.base v_arrayElimArr_1) c_~A~0.base) (+ .cse0 c_~A~0.offset)))) (not (= (select (select .cse1 c_~A~0.base) c_~A~0.offset) (select v_arrayElimArr_1 ~B~0.offset))) (< |ULTIMATE.start_main_~k~0#1| 0) (<= 1 |ULTIMATE.start_main_~k~0#1|)))) is different from false [2022-02-11 04:27:25,320 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_405 (Array Int Int)) (v_ArrVal_404 (Array Int Int)) (|ULTIMATE.start_main_~k~0#1| Int) (v_ArrVal_406 (Array Int Int)) (v_arrayElimArr_1 (Array Int Int)) (~B~0.offset Int)) (let ((.cse0 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_404) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_405) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_406))) (or (not (= (select v_arrayElimArr_1 ~B~0.offset) (select (select .cse0 c_~A~0.base) c_~A~0.offset))) (< |ULTIMATE.start_main_~k~0#1| 0) (<= 1 |ULTIMATE.start_main_~k~0#1|) (let ((.cse1 (* |ULTIMATE.start_main_~k~0#1| 4))) (= (select v_arrayElimArr_1 (+ .cse1 ~B~0.offset)) (select (select (store .cse0 c_~B~0.base v_arrayElimArr_1) c_~A~0.base) (+ .cse1 c_~A~0.offset))))))) is different from false [2022-02-11 04:27:25,645 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_405 (Array Int Int)) (v_ArrVal_404 (Array Int Int)) (|ULTIMATE.start_main_~k~0#1| Int) (v_ArrVal_406 (Array Int Int)) (v_arrayElimArr_1 (Array Int Int)) (~B~0.offset Int)) (let ((.cse1 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_404) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_405) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_406))) (or (let ((.cse0 (* |ULTIMATE.start_main_~k~0#1| 4))) (= (select v_arrayElimArr_1 (+ .cse0 ~B~0.offset)) (select (select (store .cse1 |c_ULTIMATE.start_main_#t~ret10#1.base| v_arrayElimArr_1) c_~A~0.base) (+ .cse0 c_~A~0.offset)))) (not (= (select v_arrayElimArr_1 ~B~0.offset) (select (select .cse1 c_~A~0.base) c_~A~0.offset))) (< |ULTIMATE.start_main_~k~0#1| 0) (<= 1 |ULTIMATE.start_main_~k~0#1|)))) is different from false [2022-02-11 04:27:25,692 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_405 (Array Int Int)) (v_ArrVal_404 (Array Int Int)) (|ULTIMATE.start_main_~k~0#1| Int) (v_ArrVal_406 (Array Int Int)) (v_arrayElimArr_1 (Array Int Int)) (~B~0.offset Int)) (let ((.cse1 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_404) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_405) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_406))) (or (let ((.cse0 (* |ULTIMATE.start_main_~k~0#1| 4))) (= (select v_arrayElimArr_1 (+ .cse0 ~B~0.offset)) (select (select (store .cse1 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base| v_arrayElimArr_1) c_~A~0.base) (+ .cse0 c_~A~0.offset)))) (not (= (select v_arrayElimArr_1 ~B~0.offset) (select (select .cse1 c_~A~0.base) c_~A~0.offset))) (< |ULTIMATE.start_main_~k~0#1| 0) (<= 1 |ULTIMATE.start_main_~k~0#1|)))) is different from false [2022-02-11 04:27:25,727 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_405 (Array Int Int)) (v_ArrVal_404 (Array Int Int)) (|ULTIMATE.start_main_~k~0#1| Int) (v_ArrVal_406 (Array Int Int)) (v_arrayElimArr_1 (Array Int Int)) (~B~0.offset Int)) (let ((.cse1 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_404) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_405) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_406))) (or (let ((.cse0 (* |ULTIMATE.start_main_~k~0#1| 4))) (= (select v_arrayElimArr_1 (+ .cse0 ~B~0.offset)) (select (select (store .cse1 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_arrayElimArr_1) c_~A~0.base) (+ .cse0 c_~A~0.offset)))) (not (= (select v_arrayElimArr_1 ~B~0.offset) (select (select .cse1 c_~A~0.base) c_~A~0.offset))) (< |ULTIMATE.start_main_~k~0#1| 0) (<= 1 |ULTIMATE.start_main_~k~0#1|)))) is different from false [2022-02-11 04:27:25,866 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_403 (Array Int Int)) (v_ArrVal_405 (Array Int Int)) (v_ArrVal_404 (Array Int Int)) (|ULTIMATE.start_main_~k~0#1| Int) (v_ArrVal_406 (Array Int Int)) (v_arrayElimArr_1 (Array Int Int)) (~B~0.offset Int)) (let ((.cse1 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_403) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_404) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_405) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_406))) (or (let ((.cse0 (* |ULTIMATE.start_main_~k~0#1| 4))) (= (select v_arrayElimArr_1 (+ .cse0 ~B~0.offset)) (select (select (store .cse1 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_arrayElimArr_1) c_~A~0.base) (+ .cse0 c_~A~0.offset)))) (< |ULTIMATE.start_main_~k~0#1| 0) (<= 1 |ULTIMATE.start_main_~k~0#1|) (not (= (select (select .cse1 c_~A~0.base) c_~A~0.offset) (select v_arrayElimArr_1 ~B~0.offset)))))) is different from false [2022-02-11 04:27:25,992 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_403 (Array Int Int)) (v_ArrVal_405 (Array Int Int)) (v_ArrVal_404 (Array Int Int)) (|ULTIMATE.start_main_~k~0#1| Int) (v_ArrVal_406 (Array Int Int)) (v_arrayElimArr_1 (Array Int Int)) (~B~0.offset Int)) (let ((.cse0 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_#t~malloc23#1.base| v_ArrVal_403) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_404) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_405) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_406))) (or (let ((.cse1 (* |ULTIMATE.start_main_~k~0#1| 4))) (= (select (select (store .cse0 |c_ULTIMATE.start_create_fresh_int_array_#t~malloc23#1.base| v_arrayElimArr_1) c_~A~0.base) (+ .cse1 c_~A~0.offset)) (select v_arrayElimArr_1 (+ .cse1 ~B~0.offset)))) (< |ULTIMATE.start_main_~k~0#1| 0) (<= 1 |ULTIMATE.start_main_~k~0#1|) (not (= (select (select .cse0 c_~A~0.base) c_~A~0.offset) (select v_arrayElimArr_1 ~B~0.offset)))))) is different from false [2022-02-11 04:27:27,748 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 04:27:27,748 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 67 [2022-02-11 04:27:27,772 INFO L353 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2022-02-11 04:27:27,773 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26804 treesize of output 26536 [2022-02-11 04:27:27,905 INFO L353 Elim1Store]: treesize reduction 33, result has 19.5 percent of original size [2022-02-11 04:27:27,905 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 26532 treesize of output 17195 [2022-02-11 04:27:28,105 INFO L353 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2022-02-11 04:27:28,106 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17188 treesize of output 15592 [2022-02-11 04:27:28,247 INFO L353 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2022-02-11 04:27:28,248 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15588 treesize of output 14792 [2022-02-11 04:27:28,370 INFO L353 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2022-02-11 04:27:28,371 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14788 treesize of output 14392 [2022-02-11 04:27:28,507 INFO L353 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2022-02-11 04:27:28,508 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14388 treesize of output 14192 Received shutdown request... [2022-02-11 04:40:57,003 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-02-11 04:40:57,017 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-11 04:40:57,017 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-11 04:40:57,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-11 04:40:57,042 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-11 04:40:57,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-11 04:40:57,216 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 173 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2022-02-11 04:40:57,217 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-11 04:40:57,217 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-11 04:40:57,218 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-11 04:40:57,221 INFO L733 BasicCegarLoop]: Path program histogram: [6, 1, 1, 1, 1] [2022-02-11 04:40:57,223 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 04:40:57,223 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 04:40:57,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 04:40:57 BasicIcfg [2022-02-11 04:40:57,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 04:40:57,225 INFO L158 Benchmark]: Toolchain (without parser) took 867904.28ms. Allocated memory was 201.3MB in the beginning and 961.5MB in the end (delta: 760.2MB). Free memory was 149.2MB in the beginning and 515.6MB in the end (delta: -366.4MB). Peak memory consumption was 593.3MB. Max. memory is 8.0GB. [2022-02-11 04:40:57,225 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 201.3MB. Free memory is still 165.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 04:40:57,225 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.04ms. Allocated memory was 201.3MB in the beginning and 251.7MB in the end (delta: 50.3MB). Free memory was 149.1MB in the beginning and 225.4MB in the end (delta: -76.3MB). Peak memory consumption was 8.9MB. Max. memory is 8.0GB. [2022-02-11 04:40:57,226 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.08ms. Allocated memory is still 251.7MB. Free memory was 225.4MB in the beginning and 223.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-11 04:40:57,226 INFO L158 Benchmark]: Boogie Preprocessor took 30.35ms. Allocated memory is still 251.7MB. Free memory was 223.3MB in the beginning and 221.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-11 04:40:57,227 INFO L158 Benchmark]: RCFGBuilder took 334.22ms. Allocated memory is still 251.7MB. Free memory was 221.7MB in the beginning and 205.4MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-02-11 04:40:57,227 INFO L158 Benchmark]: TraceAbstraction took 867221.30ms. Allocated memory was 251.7MB in the beginning and 961.5MB in the end (delta: 709.9MB). Free memory was 204.9MB in the beginning and 515.6MB in the end (delta: -310.7MB). Peak memory consumption was 599.1MB. Max. memory is 8.0GB. [2022-02-11 04:40:57,228 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 201.3MB. Free memory is still 165.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 274.04ms. Allocated memory was 201.3MB in the beginning and 251.7MB in the end (delta: 50.3MB). Free memory was 149.1MB in the beginning and 225.4MB in the end (delta: -76.3MB). Peak memory consumption was 8.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.08ms. Allocated memory is still 251.7MB. Free memory was 225.4MB in the beginning and 223.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.35ms. Allocated memory is still 251.7MB. Free memory was 223.3MB in the beginning and 221.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 334.22ms. Allocated memory is still 251.7MB. Free memory was 221.7MB in the beginning and 205.4MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 867221.30ms. Allocated memory was 251.7MB in the beginning and 961.5MB in the end (delta: 709.9MB). Free memory was 204.9MB in the beginning and 515.6MB in the end (delta: -310.7MB). Peak memory consumption was 599.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3552, positive: 3113, positive conditional: 1141, positive unconditional: 1972, negative: 439, negative conditional: 403, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3189, positive: 3113, positive conditional: 1141, positive unconditional: 1972, negative: 76, negative conditional: 40, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3189, positive: 3113, positive conditional: 1141, positive unconditional: 1972, negative: 76, negative conditional: 40, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3417, positive: 3113, positive conditional: 989, positive unconditional: 2124, negative: 304, negative conditional: 228, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3417, positive: 3113, positive conditional: 540, positive unconditional: 2573, negative: 304, negative conditional: 156, negative unconditional: 148, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3417, positive: 3113, positive conditional: 540, positive unconditional: 2573, negative: 304, negative conditional: 156, negative unconditional: 148, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1898, positive: 1806, positive conditional: 5, positive unconditional: 1801, negative: 92, negative conditional: 56, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1898, positive: 1799, positive conditional: 0, positive unconditional: 1799, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 99, positive: 7, positive conditional: 5, positive unconditional: 2, negative: 92, negative conditional: 56, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, positive: 61, positive conditional: 30, positive unconditional: 32, negative: 160, negative conditional: 97, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3417, positive: 1307, positive conditional: 535, positive unconditional: 772, negative: 212, negative conditional: 100, negative unconditional: 112, unknown: 1898, unknown conditional: 61, unknown unconditional: 1837] , Statistics on independence cache: Total cache size (in pairs): 1898, Positive cache size: 1806, Positive conditional cache size: 5, Positive unconditional cache size: 1801, Negative cache size: 92, Negative conditional cache size: 56, Negative unconditional cache size: 36, Eliminated conditions: 521, Maximal queried relation: 8, Independence queries for same thread: 363 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 270, Number of trivial persistent sets: 183, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2008, positive: 1972, positive conditional: 0, positive unconditional: 1972, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3552, positive: 3113, positive conditional: 1141, positive unconditional: 1972, negative: 439, negative conditional: 403, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3189, positive: 3113, positive conditional: 1141, positive unconditional: 1972, negative: 76, negative conditional: 40, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3189, positive: 3113, positive conditional: 1141, positive unconditional: 1972, negative: 76, negative conditional: 40, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3417, positive: 3113, positive conditional: 989, positive unconditional: 2124, negative: 304, negative conditional: 228, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3417, positive: 3113, positive conditional: 540, positive unconditional: 2573, negative: 304, negative conditional: 156, negative unconditional: 148, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3417, positive: 3113, positive conditional: 540, positive unconditional: 2573, negative: 304, negative conditional: 156, negative unconditional: 148, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1898, positive: 1806, positive conditional: 5, positive unconditional: 1801, negative: 92, negative conditional: 56, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1898, positive: 1799, positive conditional: 0, positive unconditional: 1799, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 99, positive: 7, positive conditional: 5, positive unconditional: 2, negative: 92, negative conditional: 56, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, positive: 61, positive conditional: 30, positive unconditional: 32, negative: 160, negative conditional: 97, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3417, positive: 1307, positive conditional: 535, positive unconditional: 772, negative: 212, negative conditional: 100, negative unconditional: 112, unknown: 1898, unknown conditional: 61, unknown unconditional: 1837] , Statistics on independence cache: Total cache size (in pairs): 1898, Positive cache size: 1806, Positive conditional cache size: 5, Positive unconditional cache size: 1801, Negative cache size: 92, Negative conditional cache size: 56, Negative unconditional cache size: 36, Eliminated conditions: 521, Maximal queried relation: 8, Independence queries for same thread: 363 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 173 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 173 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 173 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 173 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 232 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 867.1s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 19.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 320, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 24.8s InterpolantComputationTime, 2524 NumberOfCodeBlocks, 2512 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3542 ConstructedInterpolants, 161 QuantifiedInterpolants, 29266 SizeOfPredicates, 149 NumberOfNonLiveVariables, 2285 ConjunctsInSsa, 245 ConjunctsInUnsatCore, 21 InterpolantComputations, 4 PerfectInterpolantSequences, 88/118 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown