/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-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-28 18:56:40,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-28 18:56:40,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-28 18:56:40,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-28 18:56:40,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-28 18:56:40,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-28 18:56:40,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-28 18:56:40,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-28 18:56:40,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-28 18:56:40,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-28 18:56:40,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-28 18:56:40,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-28 18:56:40,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-28 18:56:40,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-28 18:56:40,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-28 18:56:40,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-28 18:56:40,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-28 18:56:40,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-28 18:56:40,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-28 18:56:40,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-28 18:56:40,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-28 18:56:40,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-28 18:56:40,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-28 18:56:40,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-28 18:56:40,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-28 18:56:40,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-28 18:56:40,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-28 18:56:40,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-28 18:56:40,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-28 18:56:40,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-28 18:56:40,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-28 18:56:40,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-28 18:56:40,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-28 18:56:40,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-28 18:56:40,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-28 18:56:40,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-28 18:56:40,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-28 18:56:40,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-28 18:56:40,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-28 18:56:40,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-28 18:56:40,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-28 18:56:40,315 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-NewStatesSleep-NoLbe.epf [2022-01-28 18:56:40,328 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-28 18:56:40,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-28 18:56:40,328 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-28 18:56:40,328 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-28 18:56:40,329 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-28 18:56:40,329 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-28 18:56:40,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-28 18:56:40,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-28 18:56:40,330 INFO L138 SettingsManager]: * Use SBE=true [2022-01-28 18:56:40,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-28 18:56:40,330 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-28 18:56:40,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-28 18:56:40,330 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-28 18:56:40,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-28 18:56:40,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-28 18:56:40,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-28 18:56:40,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-28 18:56:40,331 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-28 18:56:40,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-28 18:56:40,331 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-28 18:56:40,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-28 18:56:40,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-28 18:56:40,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-28 18:56:40,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-28 18:56:40,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-28 18:56:40,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 18:56:40,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-28 18:56:40,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-28 18:56:40,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-28 18:56:40,332 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-28 18:56:40,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-28 18:56:40,332 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-28 18:56:40,333 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-28 18:56:40,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-28 18:56:40,333 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-01-28 18:56:40,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-28 18:56:40,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-28 18:56:40,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-28 18:56:40,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-28 18:56:40,515 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-28 18:56:40,517 INFO L275 PluginConnector]: CDTParser initialized [2022-01-28 18:56:40,519 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2022-01-28 18:56:40,564 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a93e273f/83a6881899f8488599cd6750d9f4c7b3/FLAG897d2ec14 [2022-01-28 18:56:40,917 INFO L306 CDTParser]: Found 1 translation units. [2022-01-28 18:56:40,917 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2022-01-28 18:56:40,931 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a93e273f/83a6881899f8488599cd6750d9f4c7b3/FLAG897d2ec14 [2022-01-28 18:56:41,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a93e273f/83a6881899f8488599cd6750d9f4c7b3 [2022-01-28 18:56:41,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-28 18:56:41,339 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-28 18:56:41,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-28 18:56:41,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-28 18:56:41,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-28 18:56:41,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 06:56:41" (1/1) ... [2022-01-28 18:56:41,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c391fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:56:41, skipping insertion in model container [2022-01-28 18:56:41,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 06:56:41" (1/1) ... [2022-01-28 18:56:41,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-28 18:56:41,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-28 18:56:41,511 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-buffer-series.wvr.c[4351,4364] [2022-01-28 18:56:41,517 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 18:56:41,522 INFO L203 MainTranslator]: Completed pre-run [2022-01-28 18:56:41,543 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-buffer-series.wvr.c[4351,4364] [2022-01-28 18:56:41,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 18:56:41,555 INFO L208 MainTranslator]: Completed translation [2022-01-28 18:56:41,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:56:41 WrapperNode [2022-01-28 18:56:41,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-28 18:56:41,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-28 18:56:41,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-28 18:56:41,557 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-28 18:56:41,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:56:41" (1/1) ... [2022-01-28 18:56:41,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:56:41" (1/1) ... [2022-01-28 18:56:41,604 INFO L137 Inliner]: procedures = 27, calls = 87, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 350 [2022-01-28 18:56:41,604 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-28 18:56:41,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-28 18:56:41,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-28 18:56:41,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-28 18:56:41,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:56:41" (1/1) ... [2022-01-28 18:56:41,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:56:41" (1/1) ... [2022-01-28 18:56:41,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:56:41" (1/1) ... [2022-01-28 18:56:41,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:56:41" (1/1) ... [2022-01-28 18:56:41,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:56:41" (1/1) ... [2022-01-28 18:56:41,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:56:41" (1/1) ... [2022-01-28 18:56:41,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:56:41" (1/1) ... [2022-01-28 18:56:41,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-28 18:56:41,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-28 18:56:41,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-28 18:56:41,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-28 18:56:41,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:56:41" (1/1) ... [2022-01-28 18:56:41,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 18:56:41,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 18:56:41,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-28 18:56:41,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-28 18:56:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-28 18:56:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-28 18:56:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-28 18:56:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-28 18:56:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-28 18:56:41,694 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-28 18:56:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-28 18:56:41,694 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-28 18:56:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-28 18:56:41,694 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-28 18:56:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-01-28 18:56:41,694 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-01-28 18:56:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-28 18:56:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-28 18:56:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-28 18:56:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-28 18:56:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-28 18:56:41,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-28 18:56:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-28 18:56:41,696 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-28 18:56:41,766 INFO L234 CfgBuilder]: Building ICFG [2022-01-28 18:56:41,767 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-28 18:56:42,096 INFO L275 CfgBuilder]: Performing block encoding [2022-01-28 18:56:42,230 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-28 18:56:42,230 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-01-28 18:56:42,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 06:56:42 BoogieIcfgContainer [2022-01-28 18:56:42,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-28 18:56:42,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-28 18:56:42,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-28 18:56:42,236 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-28 18:56:42,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 06:56:41" (1/3) ... [2022-01-28 18:56:42,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d41a5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 06:56:42, skipping insertion in model container [2022-01-28 18:56:42,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:56:41" (2/3) ... [2022-01-28 18:56:42,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d41a5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 06:56:42, skipping insertion in model container [2022-01-28 18:56:42,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 06:56:42" (3/3) ... [2022-01-28 18:56:42,239 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series.wvr.c [2022-01-28 18:56:42,243 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-28 18:56:42,243 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-28 18:56:42,243 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-28 18:56:42,243 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-28 18:56:42,276 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,276 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,277 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,277 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,277 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,277 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,277 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,277 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,278 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,278 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,278 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,278 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,278 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,278 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,279 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,279 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,279 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,279 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,279 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,280 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,280 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,280 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,280 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,280 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,282 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,282 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,282 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,283 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,283 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,283 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,283 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,283 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,283 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,283 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,283 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,283 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,284 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,284 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,284 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,284 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,284 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,284 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,284 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,284 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,285 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,285 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,285 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,285 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,285 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,285 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,286 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,286 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,287 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,287 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,287 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,287 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,287 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,287 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,287 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,287 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,288 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,288 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,288 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,288 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,288 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,288 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,288 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,288 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,288 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,290 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,290 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,291 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,292 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,294 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,298 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,298 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,298 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,299 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,299 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,299 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,299 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,299 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,299 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,299 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,299 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,299 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,299 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,299 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,300 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,300 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,300 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,300 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,300 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,300 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,300 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,300 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,300 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,300 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,301 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,301 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,301 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,301 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,302 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,302 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,305 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,305 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,305 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,306 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,306 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,306 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,306 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,306 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,306 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,306 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,306 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,307 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,307 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,307 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,307 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,307 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,308 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,308 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,308 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,308 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,308 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,308 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,308 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,309 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,309 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,309 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,309 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,309 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,309 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,309 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,309 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,309 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,309 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,310 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,311 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,311 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,311 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,311 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,311 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,312 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,312 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,312 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,312 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,312 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,312 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:56:42,315 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-01-28 18:56:42,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-28 18:56:42,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 18:56:42,366 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) [2022-01-28 18:56:42,371 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 [2022-01-28 18:56:42,399 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-28 18:56:42,404 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 [2022-01-28 18:56:42,404 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-01-28 18:56:42,517 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-28 18:56:42,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:56:42,521 INFO L85 PathProgramCache]: Analyzing trace with hash -2138525167, now seen corresponding path program 1 times [2022-01-28 18:56:42,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:56:42,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755941807] [2022-01-28 18:56:42,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:56:42,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:56:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:56:42,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 18:56:42,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:56:42,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755941807] [2022-01-28 18:56:42,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755941807] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 18:56:42,738 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 18:56:42,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-28 18:56:42,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387979024] [2022-01-28 18:56:42,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 18:56:42,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-28 18:56:42,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:56:42,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-28 18:56:42,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-28 18:56:42,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:42,763 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:56:42,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 100.0) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:56:42,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:42,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:42,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-28 18:56:42,808 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-28 18:56:42,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:56:42,808 INFO L85 PathProgramCache]: Analyzing trace with hash -338470121, now seen corresponding path program 1 times [2022-01-28 18:56:42,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:56:42,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650180818] [2022-01-28 18:56:42,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:56:42,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:56:42,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:56:43,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 18:56:43,141 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:56:43,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650180818] [2022-01-28 18:56:43,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650180818] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 18:56:43,141 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 18:56:43,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-28 18:56:43,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539726767] [2022-01-28 18:56:43,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 18:56:43,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-28 18:56:43,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:56:43,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-28 18:56:43,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-28 18:56:43,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:43,149 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:56:43,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.4) internal successors, (192), 5 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:56:43,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:43,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:43,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:43,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:56:43,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-28 18:56:43,318 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-28 18:56:43,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:56:43,319 INFO L85 PathProgramCache]: Analyzing trace with hash 2088695640, now seen corresponding path program 1 times [2022-01-28 18:56:43,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:56:43,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773000969] [2022-01-28 18:56:43,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:56:43,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:56:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:56:43,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 18:56:43,441 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:56:43,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773000969] [2022-01-28 18:56:43,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773000969] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 18:56:43,443 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 18:56:43,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 18:56:43,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476340305] [2022-01-28 18:56:43,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 18:56:43,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 18:56:43,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:56:43,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 18:56:43,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 18:56:43,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:43,444 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:56:43,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:56:43,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:43,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:56:43,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:43,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:43,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:56:43,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:43,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-28 18:56:43,486 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-28 18:56:43,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:56:43,487 INFO L85 PathProgramCache]: Analyzing trace with hash -162897576, now seen corresponding path program 1 times [2022-01-28 18:56:43,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:56:43,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992722476] [2022-01-28 18:56:43,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:56:43,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:56:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:56:43,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 18:56:43,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:56:43,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992722476] [2022-01-28 18:56:43,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992722476] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 18:56:43,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 18:56:43,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 18:56:43,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521053295] [2022-01-28 18:56:43,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 18:56:43,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 18:56:43,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:56:43,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 18:56:43,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 18:56:43,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:43,572 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:56:43,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:56:43,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:43,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:56:43,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:43,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:43,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:43,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:56:43,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:43,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:43,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-28 18:56:43,689 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-28 18:56:43,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:56:43,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1150076197, now seen corresponding path program 1 times [2022-01-28 18:56:43,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:56:43,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721427742] [2022-01-28 18:56:43,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:56:43,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:56:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:56:43,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-28 18:56:43,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:56:43,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721427742] [2022-01-28 18:56:43,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721427742] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 18:56:43,770 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 18:56:43,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-28 18:56:43,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299354116] [2022-01-28 18:56:43,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 18:56:43,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-28 18:56:43,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:56:43,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-28 18:56:43,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-28 18:56:43,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:43,771 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:56:43,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:56:43,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:43,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:56:43,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:43,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:43,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:43,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:43,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:56:43,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:43,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:43,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:56:43,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-28 18:56:43,940 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-28 18:56:43,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:56:43,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1038279781, now seen corresponding path program 1 times [2022-01-28 18:56:43,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:56:43,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003193766] [2022-01-28 18:56:43,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:56:43,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:56:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:56:44,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-28 18:56:44,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:56:44,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003193766] [2022-01-28 18:56:44,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003193766] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 18:56:44,005 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 18:56:44,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-28 18:56:44,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486774074] [2022-01-28 18:56:44,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 18:56:44,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-28 18:56:44,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:56:44,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-28 18:56:44,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-28 18:56:44,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:44,006 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:56:44,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:56:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:56:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:56:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:44,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:56:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:56:44,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-28 18:56:44,657 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-28 18:56:44,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:56:44,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1988220723, now seen corresponding path program 1 times [2022-01-28 18:56:44,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:56:44,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158923652] [2022-01-28 18:56:44,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:56:44,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:56:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:56:44,812 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-28 18:56:44,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:56:44,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158923652] [2022-01-28 18:56:44,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158923652] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 18:56:44,816 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 18:56:44,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-28 18:56:44,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890616669] [2022-01-28 18:56:44,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 18:56:44,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-28 18:56:44,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:56:44,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-28 18:56:44,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-28 18:56:44,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:44,817 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:56:44,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 25.75) internal successors, (206), 8 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:56:44,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:44,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:56:44,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:44,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:44,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:44,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:56:44,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:45,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:45,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:56:45,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:45,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:45,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:45,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:56:45,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:45,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-28 18:56:45,286 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-28 18:56:45,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:56:45,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1438598106, now seen corresponding path program 1 times [2022-01-28 18:56:45,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:56:45,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986578233] [2022-01-28 18:56:45,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:56:45,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:56:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:56:45,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-28 18:56:45,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:56:45,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986578233] [2022-01-28 18:56:45,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986578233] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 18:56:45,571 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 18:56:45,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-28 18:56:45,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853208594] [2022-01-28 18:56:45,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 18:56:45,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-28 18:56:45,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:56:45,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-28 18:56:45,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-01-28 18:56:45,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:45,572 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:56:45,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.666666666666668) internal successors, (213), 9 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:56:45,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:45,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:56:45,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:45,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:45,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:45,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:56:45,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:45,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:46,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:46,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:56:46,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:46,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:46,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:46,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:46,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:46,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:46,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-28 18:56:46,751 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-28 18:56:46,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:56:46,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1862346499, now seen corresponding path program 1 times [2022-01-28 18:56:46,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:56:46,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113562655] [2022-01-28 18:56:46,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:56:46,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:56:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:56:46,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-28 18:56:46,951 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:56:46,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113562655] [2022-01-28 18:56:46,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113562655] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 18:56:46,951 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 18:56:46,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-28 18:56:46,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741111090] [2022-01-28 18:56:46,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 18:56:46,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-28 18:56:46,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:56:46,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-28 18:56:46,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-28 18:56:46,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:46,952 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:56:46,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 25.75) internal successors, (206), 8 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:56:46,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:46,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:56:46,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:46,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:46,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:46,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:46,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:46,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:46,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:47,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:47,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:56:47,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:47,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:47,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:47,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:47,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:47,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:47,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:47,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-28 18:56:47,299 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-28 18:56:47,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:56:47,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1330388124, now seen corresponding path program 1 times [2022-01-28 18:56:47,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:56:47,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803006237] [2022-01-28 18:56:47,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:56:47,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:56:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:56:47,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-28 18:56:47,454 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:56:47,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803006237] [2022-01-28 18:56:47,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803006237] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 18:56:47,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 18:56:47,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-28 18:56:47,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204560044] [2022-01-28 18:56:47,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 18:56:47,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-28 18:56:47,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:56:47,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-28 18:56:47,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-01-28 18:56:47,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:47,455 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:56:47,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.666666666666668) internal successors, (213), 9 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:56:47,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:47,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:56:47,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:47,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:47,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:47,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:47,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:47,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:47,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:47,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:49,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:49,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:56:49,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:49,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:49,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:49,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:49,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:49,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-28 18:56:49,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:49,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:56:49,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-28 18:56:49,063 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-28 18:56:49,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:56:49,064 INFO L85 PathProgramCache]: Analyzing trace with hash 726984779, now seen corresponding path program 1 times [2022-01-28 18:56:49,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:56:49,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95535786] [2022-01-28 18:56:49,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:56:49,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:56:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:56:49,138 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-28 18:56:49,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:56:49,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95535786] [2022-01-28 18:56:49,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95535786] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 18:56:49,139 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 18:56:49,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-28 18:56:49,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101891276] [2022-01-28 18:56:49,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 18:56:49,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-28 18:56:49,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:56:49,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-28 18:56:49,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-28 18:56:49,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:49,140 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:56:49,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 44.8) internal successors, (224), 5 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:56:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:56:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-28 18:56:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:56:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:49,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:49,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:56:49,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:49,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:49,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:49,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:49,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:49,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-28 18:56:49,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:49,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:56:49,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:56:49,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-28 18:56:49,213 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-28 18:56:49,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:56:49,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1524608437, now seen corresponding path program 1 times [2022-01-28 18:56:49,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:56:49,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282066537] [2022-01-28 18:56:49,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:56:49,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:56:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:56:49,307 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-28 18:56:49,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:56:49,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282066537] [2022-01-28 18:56:49,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282066537] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 18:56:49,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432030099] [2022-01-28 18:56:49,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:56:49,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:56:49,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 18:56:49,309 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 18:56:49,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-28 18:56:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:56:49,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-28 18:56:49,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 18:56:49,854 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-28 18:56:49,854 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 18:56:50,202 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-28 18:56:50,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432030099] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-28 18:56:50,202 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-28 18:56:50,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6, 6] total 11 [2022-01-28 18:56:50,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330785250] [2022-01-28 18:56:50,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 18:56:50,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-28 18:56:50,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:56:50,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-28 18:56:50,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-01-28 18:56:50,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:50,205 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:56:50,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 32.0) internal successors, (224), 7 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:56:50,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:50,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:56:50,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:50,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:50,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:50,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:50,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:50,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-28 18:56:50,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:50,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:56:50,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:56:50,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:50,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:56:50,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:56:50,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:50,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 18:56:50,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:50,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:50,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:50,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-28 18:56:50,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 18:56:50,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:56:50,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:56:50,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:56:50,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-01-28 18:56:50,484 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,SelfDestructingSolverStorable11 [2022-01-28 18:56:50,484 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-28 18:56:50,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:56:50,485 INFO L85 PathProgramCache]: Analyzing trace with hash 538067876, now seen corresponding path program 1 times [2022-01-28 18:56:50,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:56:50,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920845868] [2022-01-28 18:56:50,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:56:50,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:56:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:56:53,317 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-28 18:56:53,317 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:56:53,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920845868] [2022-01-28 18:56:53,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920845868] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 18:56:53,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032200612] [2022-01-28 18:56:53,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:56:53,318 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:56:53,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 18:56:53,319 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 18:56:53,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-28 18:56:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:56:53,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 122 conjunts are in the unsatisfiable core [2022-01-28 18:56:53,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 18:56:53,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-28 18:56:53,719 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-01-28 18:56:53,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-01-28 18:56:54,830 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-01-28 18:56:54,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2022-01-28 18:56:55,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-28 18:56:57,000 INFO L354 Elim1Store]: treesize reduction 62, result has 31.1 percent of original size [2022-01-28 18:56:57,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 27 treesize of output 45 [2022-01-28 18:56:57,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-28 18:57:00,042 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2022-01-28 18:57:00,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 21 treesize of output 25 [2022-01-28 18:57:00,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-28 18:57:01,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-28 18:57:02,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-28 18:57:02,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-28 18:57:02,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-28 18:57:04,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-28 18:57:04,033 INFO L354 Elim1Store]: treesize reduction 63, result has 32.3 percent of original size [2022-01-28 18:57:04,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 43 [2022-01-28 18:57:04,137 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 18:57:04,138 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 18:58:44,934 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-28 18:58:44,934 INFO L388 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 319 treesize of output 235 [2022-01-28 18:58:45,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 18:58:45,828 INFO L354 Elim1Store]: treesize reduction 68, result has 70.3 percent of original size [2022-01-28 18:58:45,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 899809242 treesize of output 892076154 Received shutdown request... [2022-01-28 19:11:07,758 WARN L243 SmtUtils]: Removed 1 from assertion stack [2022-01-28 19:11:07,760 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-01-28 19:11:07,776 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 [2022-01-28 19:11:07,776 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-28 19:11:07,776 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 [2022-01-28 19:11:07,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-28 19:11:07,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 19:11:07,978 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 228 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-16-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2022-01-28 19:11:07,979 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-01-28 19:11:07,980 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-01-28 19:11:07,980 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-01-28 19:11:07,980 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-01-28 19:11:07,983 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 19:11:07,985 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-28 19:11:07,985 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-28 19:11:07,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 07:11:07 BasicIcfg [2022-01-28 19:11:07,986 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-28 19:11:07,987 INFO L158 Benchmark]: Toolchain (without parser) took 866648.15ms. Allocated memory was 235.9MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 186.0MB in the beginning and 898.4MB in the end (delta: -712.4MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2022-01-28 19:11:07,987 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 235.9MB. Free memory is still 202.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-28 19:11:07,987 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.12ms. Allocated memory is still 235.9MB. Free memory was 185.7MB in the beginning and 210.4MB in the end (delta: -24.7MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. [2022-01-28 19:11:07,987 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.74ms. Allocated memory is still 235.9MB. Free memory was 210.4MB in the beginning and 207.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-28 19:11:07,988 INFO L158 Benchmark]: Boogie Preprocessor took 37.65ms. Allocated memory is still 235.9MB. Free memory was 207.2MB in the beginning and 205.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-28 19:11:07,988 INFO L158 Benchmark]: RCFGBuilder took 586.28ms. Allocated memory is still 235.9MB. Free memory was 205.1MB in the beginning and 164.8MB in the end (delta: 40.4MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. [2022-01-28 19:11:07,988 INFO L158 Benchmark]: TraceAbstraction took 865753.76ms. Allocated memory was 235.9MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 164.3MB in the beginning and 898.4MB in the end (delta: -734.1MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2022-01-28 19:11:07,989 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 235.9MB. Free memory is still 202.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 215.12ms. Allocated memory is still 235.9MB. Free memory was 185.7MB in the beginning and 210.4MB in the end (delta: -24.7MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.74ms. Allocated memory is still 235.9MB. Free memory was 210.4MB in the beginning and 207.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 37.65ms. Allocated memory is still 235.9MB. Free memory was 207.2MB in the beginning and 205.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 586.28ms. Allocated memory is still 235.9MB. Free memory was 205.1MB in the beginning and 164.8MB in the end (delta: 40.4MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. * TraceAbstraction took 865753.76ms. Allocated memory was 235.9MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 164.3MB in the beginning and 898.4MB in the end (delta: -734.1MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 341665, positive: 307064, positive conditional: 307064, positive unconditional: 0, negative: 34601, negative conditional: 34601, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 308204, positive: 307064, positive conditional: 307064, positive unconditional: 0, negative: 1140, negative conditional: 1140, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 308204, positive: 307064, positive conditional: 307064, positive unconditional: 0, negative: 1140, negative conditional: 1140, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 316869, positive: 307064, positive conditional: 306708, positive unconditional: 356, negative: 9805, negative conditional: 8665, negative unconditional: 1140, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 316869, positive: 307064, positive conditional: 121681, positive unconditional: 185383, negative: 9805, negative conditional: 3385, negative unconditional: 6420, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 316869, positive: 307064, positive conditional: 121681, positive unconditional: 185383, negative: 9805, negative conditional: 3385, negative unconditional: 6420, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1556, positive: 1470, positive conditional: 557, positive unconditional: 913, negative: 86, negative conditional: 68, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1556, positive: 1447, positive conditional: 0, positive unconditional: 1447, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 109, positive: 23, positive conditional: 21, positive unconditional: 2, negative: 86, negative conditional: 68, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 268, positive: 92, positive conditional: 85, positive unconditional: 7, negative: 176, negative conditional: 138, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 316869, positive: 305594, positive conditional: 121124, positive unconditional: 184470, negative: 9719, negative conditional: 3317, negative unconditional: 6402, unknown: 1556, unknown conditional: 625, unknown unconditional: 931] , Statistics on independence cache: Total cache size (in pairs): 1556, Positive cache size: 1470, Positive conditional cache size: 557, Positive unconditional cache size: 913, Negative cache size: 86, Negative conditional cache size: 68, Negative unconditional cache size: 18, Eliminated conditions: 190307, Maximal queried relation: 8, Independence queries for same thread: 33461 - 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: 155]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 228 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-16-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 146]: 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 228 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-16-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 145]: 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 228 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-16-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 148]: 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 228 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-16-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 147]: 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 228 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-16-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 280 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 865.6s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 5.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 82, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2690 NumberOfCodeBlocks, 2690 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2900 ConstructedInterpolants, 0 QuantifiedInterpolants, 8760 SizeOfPredicates, 11 NumberOfNonLiveVariables, 561 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 42/44 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