/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-wip.dk.mcr-reduction-44898dd [2022-02-09 06:58:25,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 06:58:25,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 06:58:25,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 06:58:25,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 06:58:25,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 06:58:25,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 06:58:25,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 06:58:25,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 06:58:25,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 06:58:25,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 06:58:25,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 06:58:25,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 06:58:25,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 06:58:25,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 06:58:25,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 06:58:25,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 06:58:25,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 06:58:25,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 06:58:25,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 06:58:25,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 06:58:25,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 06:58:25,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 06:58:25,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 06:58:25,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-09 06:58:25,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-09 06:58:25,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-09 06:58:25,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-09 06:58:25,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-09 06:58:25,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-09 06:58:25,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-09 06:58:25,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-09 06:58:25,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-09 06:58:25,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 06:58:25,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 06:58:25,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 06:58:25,353 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 [2022-02-09 06:58:25,378 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 06:58:25,379 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 06:58:25,379 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 06:58:25,379 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 06:58:25,380 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 06:58:25,380 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 06:58:25,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 06:58:25,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 06:58:25,380 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 06:58:25,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 06:58:25,381 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 06:58:25,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 06:58:25,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 06:58:25,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 06:58:25,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 06:58:25,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 06:58:25,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 06:58:25,382 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 06:58:25,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 06:58:25,382 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 06:58:25,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 06:58:25,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 06:58:25,382 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 06:58:25,382 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 06:58:25,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 06:58:25,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 06:58:25,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 06:58:25,383 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 06:58:25,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 06:58:25,383 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 06:58:25,384 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 06:58:25,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 06:58:25,384 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 06:58:25,384 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 06:58:25,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 06:58:25,384 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-09 06:58:25,384 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 06:58:25,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 06:58:25,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 06:58:25,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 06:58:25,585 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 06:58:25,586 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 06:58:25,586 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2022-02-09 06:58:25,654 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb553a39d/80087ba6d62a416bade16044da825d1f/FLAG09a294d78 [2022-02-09 06:58:26,011 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 06:58:26,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2022-02-09 06:58:26,017 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb553a39d/80087ba6d62a416bade16044da825d1f/FLAG09a294d78 [2022-02-09 06:58:26,028 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb553a39d/80087ba6d62a416bade16044da825d1f [2022-02-09 06:58:26,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 06:58:26,031 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 06:58:26,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 06:58:26,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 06:58:26,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 06:58:26,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 06:58:26" (1/1) ... [2022-02-09 06:58:26,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f0a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:58:26, skipping insertion in model container [2022-02-09 06:58:26,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 06:58:26" (1/1) ... [2022-02-09 06:58:26,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 06:58:26,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 06:58:26,212 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] [2022-02-09 06:58:26,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 06:58:26,226 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 06:58:26,244 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] [2022-02-09 06:58:26,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 06:58:26,258 INFO L208 MainTranslator]: Completed translation [2022-02-09 06:58:26,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:58:26 WrapperNode [2022-02-09 06:58:26,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 06:58:26,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 06:58:26,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 06:58:26,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 06:58:26,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:58:26" (1/1) ... [2022-02-09 06:58:26,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:58:26" (1/1) ... [2022-02-09 06:58:26,310 INFO L137 Inliner]: procedures = 27, calls = 87, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 350 [2022-02-09 06:58:26,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 06:58:26,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 06:58:26,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 06:58:26,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 06:58:26,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:58:26" (1/1) ... [2022-02-09 06:58:26,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:58:26" (1/1) ... [2022-02-09 06:58:26,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:58:26" (1/1) ... [2022-02-09 06:58:26,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:58:26" (1/1) ... [2022-02-09 06:58:26,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:58:26" (1/1) ... [2022-02-09 06:58:26,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:58:26" (1/1) ... [2022-02-09 06:58:26,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:58:26" (1/1) ... [2022-02-09 06:58:26,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 06:58:26,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 06:58:26,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 06:58:26,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 06:58:26,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:58:26" (1/1) ... [2022-02-09 06:58:26,396 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 06:58:26,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:58:26,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-09 06:58:26,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-09 06:58:26,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 06:58:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 06:58:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 06:58:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-09 06:58:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-09 06:58:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-09 06:58:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-09 06:58:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-09 06:58:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-09 06:58:26,474 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-09 06:58:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-09 06:58:26,474 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-09 06:58:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 06:58:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-09 06:58:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-09 06:58:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-09 06:58:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 06:58:26,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 06:58:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 06:58:26,476 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 06:58:26,555 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 06:58:26,557 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 06:58:26,876 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 06:58:27,062 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 06:58:27,062 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-02-09 06:58:27,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 06:58:27 BoogieIcfgContainer [2022-02-09 06:58:27,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 06:58:27,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 06:58:27,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 06:58:27,069 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 06:58:27,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 06:58:26" (1/3) ... [2022-02-09 06:58:27,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fbad376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 06:58:27, skipping insertion in model container [2022-02-09 06:58:27,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:58:26" (2/3) ... [2022-02-09 06:58:27,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fbad376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 06:58:27, skipping insertion in model container [2022-02-09 06:58:27,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 06:58:27" (3/3) ... [2022-02-09 06:58:27,073 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series.wvr.c [2022-02-09 06:58:27,078 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 06:58:27,078 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 06:58:27,078 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 06:58:27,078 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 06:58:27,135 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,135 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,136 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,136 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,136 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,136 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,137 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,137 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,137 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,137 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,137 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,138 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,138 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,138 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,138 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,139 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,139 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,139 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,139 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,140 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,141 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,141 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,141 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,141 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,143 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,143 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,143 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,144 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,144 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,144 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,145 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,145 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,145 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,145 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,145 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,145 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,145 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,145 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,145 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,145 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,146 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,146 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,146 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,146 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,146 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,146 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,147 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,147 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,147 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,148 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,148 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,149 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,149 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,149 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,150 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,151 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,151 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,151 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,151 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,151 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,151 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,151 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,152 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,152 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,152 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,152 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,152 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,152 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,152 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,152 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,152 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,153 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,153 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,153 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,153 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,153 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,153 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,153 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,154 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,154 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,155 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,156 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,158 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,162 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,162 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,163 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,163 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,163 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,163 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,163 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,163 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,163 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,163 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,163 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,164 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,164 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,164 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,164 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,164 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,164 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,164 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,164 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,164 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,164 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,165 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,165 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,165 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,165 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,165 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,165 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,166 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,166 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,166 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,167 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,171 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,171 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,171 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,171 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,171 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,171 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,172 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,172 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,172 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,172 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,172 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,172 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,172 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,173 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,173 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,173 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,173 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,173 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,173 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,173 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,174 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,174 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,174 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,174 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,174 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,175 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,175 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,175 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,175 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,175 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,175 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,175 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,176 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,177 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,177 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,177 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:58:27,182 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-02-09 06:58:27,230 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 06:58:27,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:58:27,244 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-09 06:58:27,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-09 06:58:27,288 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 06:58:27,292 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 06:58:27,292 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-09 06:58:27,404 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)] === [2022-02-09 06:58:27,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:58:27,412 INFO L85 PathProgramCache]: Analyzing trace with hash -2138525167, now seen corresponding path program 1 times [2022-02-09 06:58:27,418 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:58:27,418 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658908430] [2022-02-09 06:58:27,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:58:27,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:58:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:58:27,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:58:27,621 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:58:27,621 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658908430] [2022-02-09 06:58:27,621 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658908430] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:58:27,622 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 06:58:27,622 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 06:58:27,623 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718988093] [2022-02-09 06:58:27,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:58:27,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-09 06:58:27,630 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:58:27,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-09 06:58:27,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-09 06:58:27,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:27,649 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:58:27,651 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) [2022-02-09 06:58:27,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:27,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:27,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 06:58:27,706 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)] === [2022-02-09 06:58:27,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:58:27,707 INFO L85 PathProgramCache]: Analyzing trace with hash -338470121, now seen corresponding path program 1 times [2022-02-09 06:58:27,707 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:58:27,707 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130390094] [2022-02-09 06:58:27,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:58:27,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:58:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:58:28,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:58:28,104 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:58:28,105 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130390094] [2022-02-09 06:58:28,105 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130390094] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:58:28,105 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 06:58:28,105 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 06:58:28,105 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998572851] [2022-02-09 06:58:28,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:58:28,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 06:58:28,111 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:58:28,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 06:58:28,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-09 06:58:28,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:28,112 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:58:28,112 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) [2022-02-09 06:58:28,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:28,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:28,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:28,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:58:28,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 06:58:28,244 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)] === [2022-02-09 06:58:28,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:58:28,244 INFO L85 PathProgramCache]: Analyzing trace with hash 2088695640, now seen corresponding path program 1 times [2022-02-09 06:58:28,245 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:58:28,245 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668661788] [2022-02-09 06:58:28,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:58:28,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:58:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:58:28,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:58:28,356 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:58:28,356 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668661788] [2022-02-09 06:58:28,357 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668661788] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:58:28,357 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 06:58:28,357 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-09 06:58:28,357 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584879502] [2022-02-09 06:58:28,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:58:28,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 06:58:28,358 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:58:28,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 06:58:28,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 06:58:28,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:28,359 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:58:28,359 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) [2022-02-09 06:58:28,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:28,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:58:28,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:28,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:28,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:58:28,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:28,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-09 06:58:28,401 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)] === [2022-02-09 06:58:28,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:58:28,402 INFO L85 PathProgramCache]: Analyzing trace with hash -162897576, now seen corresponding path program 1 times [2022-02-09 06:58:28,402 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:58:28,402 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092969954] [2022-02-09 06:58:28,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:58:28,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:58:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:58:28,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:58:28,504 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:58:28,504 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092969954] [2022-02-09 06:58:28,506 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092969954] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:58:28,507 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 06:58:28,507 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-09 06:58:28,507 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34242264] [2022-02-09 06:58:28,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:58:28,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 06:58:28,507 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:58:28,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 06:58:28,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 06:58:28,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:28,508 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:58:28,509 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) [2022-02-09 06:58:28,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:28,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:58:28,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:28,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:28,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:28,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:58:28,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:28,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:28,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-09 06:58:28,643 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)] === [2022-02-09 06:58:28,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:58:28,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1150076197, now seen corresponding path program 1 times [2022-02-09 06:58:28,645 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:58:28,645 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428807787] [2022-02-09 06:58:28,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:58:28,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:58:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:58:28,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 06:58:28,730 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:58:28,730 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428807787] [2022-02-09 06:58:28,730 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428807787] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:58:28,730 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 06:58:28,730 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-09 06:58:28,730 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493749392] [2022-02-09 06:58:28,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:58:28,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 06:58:28,731 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:58:28,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 06:58:28,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-09 06:58:28,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:28,731 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:58:28,732 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) [2022-02-09 06:58:28,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:28,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:58:28,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:28,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:28,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:28,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:28,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:58:28,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:28,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:28,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:58:28,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-09 06:58:28,914 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)] === [2022-02-09 06:58:28,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:58:28,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1038279781, now seen corresponding path program 1 times [2022-02-09 06:58:28,915 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:58:28,916 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980648458] [2022-02-09 06:58:28,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:58:28,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:58:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:58:28,997 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 06:58:28,997 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:58:28,997 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980648458] [2022-02-09 06:58:28,997 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980648458] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:58:28,997 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 06:58:28,997 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-09 06:58:28,997 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260254181] [2022-02-09 06:58:28,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:58:28,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 06:58:28,998 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:58:28,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 06:58:28,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-09 06:58:28,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:28,999 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:58:28,999 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) [2022-02-09 06:58:28,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:28,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:58:28,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:29,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:29,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:58:29,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:29,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:29,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:58:29,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:29,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:29,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:29,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:58:29,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-09 06:58:29,739 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)] === [2022-02-09 06:58:29,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:58:29,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1988220723, now seen corresponding path program 1 times [2022-02-09 06:58:29,740 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:58:29,740 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559842636] [2022-02-09 06:58:29,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:58:29,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:58:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:58:29,878 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-09 06:58:29,878 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:58:29,881 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559842636] [2022-02-09 06:58:29,882 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559842636] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:58:29,882 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 06:58:29,882 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-09 06:58:29,882 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312993751] [2022-02-09 06:58:29,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:58:29,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-09 06:58:29,883 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:58:29,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-09 06:58:29,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-02-09 06:58:29,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:29,883 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:58:29,884 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) [2022-02-09 06:58:29,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:29,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:58:29,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:29,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:29,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:29,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:58:29,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:30,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:30,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:58:30,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:30,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:30,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:30,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:58:30,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:30,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-09 06:58:30,405 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)] === [2022-02-09 06:58:30,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:58:30,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1438598106, now seen corresponding path program 1 times [2022-02-09 06:58:30,406 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:58:30,406 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111931114] [2022-02-09 06:58:30,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:58:30,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:58:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:58:30,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-09 06:58:30,627 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:58:30,627 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111931114] [2022-02-09 06:58:30,627 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111931114] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:58:30,627 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 06:58:30,627 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 06:58:30,627 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008610201] [2022-02-09 06:58:30,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:58:30,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-09 06:58:30,628 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:58:30,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-09 06:58:30,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-02-09 06:58:30,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:30,628 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:58:30,629 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) [2022-02-09 06:58:30,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:30,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:58:30,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:30,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:30,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:30,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:58:30,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:30,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:31,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:31,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:58:31,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:31,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:31,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:31,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:31,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:31,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:31,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-09 06:58:31,825 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)] === [2022-02-09 06:58:31,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:58:31,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1862346499, now seen corresponding path program 1 times [2022-02-09 06:58:31,826 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:58:31,826 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085643162] [2022-02-09 06:58:31,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:58:31,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:58:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:58:31,969 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-09 06:58:31,969 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:58:31,969 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085643162] [2022-02-09 06:58:31,969 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085643162] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:58:31,969 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 06:58:31,969 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-09 06:58:31,970 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227014719] [2022-02-09 06:58:31,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:58:31,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-09 06:58:31,970 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:58:31,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-09 06:58:31,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-02-09 06:58:31,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:31,971 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:58:31,971 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) [2022-02-09 06:58:31,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:31,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:58:31,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:31,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:31,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:31,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:31,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:31,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:31,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:32,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:32,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:58:32,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:32,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:32,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:32,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:32,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:32,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:32,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:32,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-09 06:58:32,390 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)] === [2022-02-09 06:58:32,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:58:32,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1330388124, now seen corresponding path program 1 times [2022-02-09 06:58:32,390 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:58:32,391 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577284766] [2022-02-09 06:58:32,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:58:32,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:58:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:58:32,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-09 06:58:32,555 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:58:32,555 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577284766] [2022-02-09 06:58:32,555 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577284766] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:58:32,556 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 06:58:32,556 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 06:58:32,556 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669907385] [2022-02-09 06:58:32,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:58:32,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-09 06:58:32,556 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:58:32,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-09 06:58:32,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-02-09 06:58:32,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:32,557 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:58:32,557 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) [2022-02-09 06:58:32,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:32,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:58:32,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:32,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:32,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:32,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:32,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:32,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:32,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:32,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:33,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:33,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:58:33,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:33,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:33,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:33,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:33,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:33,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:58:33,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:33,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:58:33,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-09 06:58:33,953 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)] === [2022-02-09 06:58:33,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:58:33,953 INFO L85 PathProgramCache]: Analyzing trace with hash 726984779, now seen corresponding path program 1 times [2022-02-09 06:58:33,953 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:58:33,954 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052589158] [2022-02-09 06:58:33,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:58:33,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:58:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:58:34,040 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 06:58:34,040 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:58:34,040 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052589158] [2022-02-09 06:58:34,040 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052589158] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:58:34,041 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936004314] [2022-02-09 06:58:34,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:58:34,041 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:58:34,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:58:34,042 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 06:58:34,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 06:58:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:58:34,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-09 06:58:34,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:58:34,672 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 06:58:34,672 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 06:58:34,672 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936004314] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:58:34,673 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 06:58:34,673 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2022-02-09 06:58:34,673 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268012168] [2022-02-09 06:58:34,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:58:34,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 06:58:34,673 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:58:34,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 06:58:34,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-02-09 06:58:34,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:34,676 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:58:34,677 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) [2022-02-09 06:58:34,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:34,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:58:34,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:34,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:34,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:34,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:34,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:34,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:58:34,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:34,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:58:34,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:34,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:34,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:58:34,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:34,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:34,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:34,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:34,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:34,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:58:34,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:34,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:58:34,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:58:34,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-09 06:58:34,997 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,SelfDestructingSolverStorable10 [2022-02-09 06:58:34,997 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)] === [2022-02-09 06:58:34,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:58:34,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1524608437, now seen corresponding path program 1 times [2022-02-09 06:58:34,998 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:58:34,998 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897189727] [2022-02-09 06:58:34,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:58:34,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:58:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:58:35,109 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 06:58:35,110 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:58:35,110 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897189727] [2022-02-09 06:58:35,110 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897189727] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:58:35,110 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539839943] [2022-02-09 06:58:35,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:58:35,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:58:35,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:58:35,111 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 06:58:35,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-09 06:58:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:58:35,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-09 06:58:35,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:58:35,619 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-09 06:58:35,619 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:58:36,003 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-09 06:58:36,003 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539839943] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-09 06:58:36,003 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-09 06:58:36,003 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6, 6] total 11 [2022-02-09 06:58:36,004 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91074641] [2022-02-09 06:58:36,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:58:36,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-09 06:58:36,004 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:58:36,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-09 06:58:36,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-02-09 06:58:36,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:36,005 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:58:36,005 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) [2022-02-09 06:58:36,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:36,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:58:36,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:36,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:36,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:36,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:36,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:36,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:58:36,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:36,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:58:36,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:58:36,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:36,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:58:36,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:58:36,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:36,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 06:58:36,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:36,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:36,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:36,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:58:36,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:58:36,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:58:36,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:58:36,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:58:36,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-09 06:58:36,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:58:36,296 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)] === [2022-02-09 06:58:36,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:58:36,297 INFO L85 PathProgramCache]: Analyzing trace with hash 538067876, now seen corresponding path program 1 times [2022-02-09 06:58:36,297 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:58:36,297 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824423265] [2022-02-09 06:58:36,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:58:36,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:58:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:58:41,278 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:58:41,279 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:58:41,279 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824423265] [2022-02-09 06:58:41,279 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824423265] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:58:41,279 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966721127] [2022-02-09 06:58:41,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:58:41,279 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:58:41,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:58:41,283 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 06:58:41,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 06:58:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:58:41,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 120 conjunts are in the unsatisfiable core [2022-02-09 06:58:41,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:58:41,606 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-09 06:58:42,714 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-09 06:58:42,715 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-02-09 06:58:43,166 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-02-09 06:58:44,935 INFO L353 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-02-09 06:58:44,936 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-02-09 06:58:45,634 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-09 06:58:47,295 INFO L353 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-02-09 06:58:47,295 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-02-09 06:58:47,721 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-09 06:58:48,689 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-09 06:58:48,987 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-09 06:58:49,216 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-09 06:58:49,398 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-09 06:58:51,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 06:58:51,086 INFO L353 Elim1Store]: treesize reduction 63, result has 32.3 percent of original size [2022-02-09 06:58:51,087 INFO L387 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 52 treesize of output 45 [2022-02-09 06:58:51,221 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:58:51,222 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 07:00:46,021 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 07:00:46,022 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 318 treesize of output 234 [2022-02-09 07:00:48,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 07:01:12,045 WARN L228 SmtUtils]: Spent 21.66s on a formula simplification. DAG size of input: 87 DAG size of output: 71 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-09 07:01:12,046 INFO L353 Elim1Store]: treesize reduction 68, result has 70.3 percent of original size [2022-02-09 07:01:12,323 INFO L387 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 1249165443034 treesize of output 1238961225850 Received shutdown request... [2022-02-09 07:12:57,062 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 07:12:57,063 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 07:12:57,063 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 07:12:57,335 WARN L244 SmtUtils]: Removed 1 from assertion stack [2022-02-09 07:12:57,339 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-02-09 07:12:57,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-09 07:12:57,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 07:12:57,558 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 ∨-16-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2022-02-09 07:12:57,560 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-02-09 07:12:57,560 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-02-09 07:12:57,560 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-02-09 07:12:57,560 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-02-09 07:12:57,564 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 07:12:57,566 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 07:12:57,566 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 07:12:57,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 07:12:57 BasicIcfg [2022-02-09 07:12:57,568 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 07:12:57,568 INFO L158 Benchmark]: Toolchain (without parser) took 871537.16ms. Allocated memory was 195.0MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 140.3MB in the beginning and 566.7MB in the end (delta: -426.3MB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. [2022-02-09 07:12:57,568 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 195.0MB. Free memory is still 157.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 07:12:57,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.46ms. Allocated memory is still 195.0MB. Free memory was 140.2MB in the beginning and 166.1MB in the end (delta: -25.9MB). Peak memory consumption was 5.8MB. Max. memory is 8.0GB. [2022-02-09 07:12:57,569 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.62ms. Allocated memory is still 195.0MB. Free memory was 166.1MB in the beginning and 163.1MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-09 07:12:57,569 INFO L158 Benchmark]: Boogie Preprocessor took 67.84ms. Allocated memory is still 195.0MB. Free memory was 163.1MB in the beginning and 161.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 07:12:57,569 INFO L158 Benchmark]: RCFGBuilder took 685.32ms. Allocated memory is still 195.0MB. Free memory was 161.0MB in the beginning and 117.0MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. [2022-02-09 07:12:57,569 INFO L158 Benchmark]: TraceAbstraction took 870501.89ms. Allocated memory was 195.0MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 116.8MB in the beginning and 566.7MB in the end (delta: -449.8MB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. [2022-02-09 07:12:57,570 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 195.0MB. Free memory is still 157.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 225.46ms. Allocated memory is still 195.0MB. Free memory was 140.2MB in the beginning and 166.1MB in the end (delta: -25.9MB). Peak memory consumption was 5.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.62ms. Allocated memory is still 195.0MB. Free memory was 166.1MB in the beginning and 163.1MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 67.84ms. Allocated memory is still 195.0MB. Free memory was 163.1MB in the beginning and 161.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 685.32ms. Allocated memory is still 195.0MB. Free memory was 161.0MB in the beginning and 117.0MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. * TraceAbstraction took 870501.89ms. Allocated memory was 195.0MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 116.8MB in the beginning and 566.7MB in the end (delta: -449.8MB). Peak memory consumption was 2.2GB. 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: 364, positive: 120, positive conditional: 114, positive unconditional: 6, negative: 244, negative conditional: 153, negative unconditional: 91, 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 ∨-16-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 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 ∨-16-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 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 ∨-16-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 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 ∨-16-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 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 ∨-16-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 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: 870.3s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 5.1s, 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, 0.6s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 2914 NumberOfCodeBlocks, 2914 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3123 ConstructedInterpolants, 0 QuantifiedInterpolants, 9628 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1122 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 47/50 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