/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 09:56:13,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 09:56:13,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 09:56:13,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 09:56:13,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 09:56:13,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 09:56:13,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 09:56:13,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 09:56:13,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 09:56:13,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 09:56:13,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 09:56:13,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 09:56:13,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 09:56:13,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 09:56:13,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 09:56:13,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 09:56:13,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 09:56:13,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 09:56:13,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 09:56:13,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 09:56:13,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 09:56:13,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 09:56:13,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 09:56:13,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 09:56:13,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-16 09:56:13,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-16 09:56:13,344 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-16 09:56:13,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-16 09:56:13,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-16 09:56:13,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-16 09:56:13,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-16 09:56:13,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-16 09:56:13,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-16 09:56:13,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-16 09:56:13,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-16 09:56:13,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-16 09:56:13,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-16 09:56:13,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-16 09:56:13,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 09:56:13,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 09:56:13,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 09:56:13,358 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-16 09:56:13,394 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 09:56:13,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 09:56:13,394 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 09:56:13,394 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 09:56:13,395 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 09:56:13,395 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 09:56:13,396 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 09:56:13,396 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 09:56:13,396 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 09:56:13,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 09:56:13,397 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 09:56:13,397 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 09:56:13,397 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 09:56:13,397 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 09:56:13,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 09:56:13,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 09:56:13,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 09:56:13,398 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 09:56:13,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 09:56:13,398 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 09:56:13,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 09:56:13,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 09:56:13,398 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 09:56:13,399 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 09:56:13,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 09:56:13,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 09:56:13,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 09:56:13,399 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 09:56:13,399 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 09:56:13,399 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 09:56:13,399 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 09:56:13,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 09:56:13,400 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 09:56:13,400 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 09:56:13,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 09:56:13,400 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 09:56:13,400 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 09:56:13,400 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 09:56:13,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 09:56:13,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 09:56:13,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 09:56:13,646 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-16 09:56:13,646 INFO L275 PluginConnector]: CDTParser initialized [2022-03-16 09:56:13,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i [2022-03-16 09:56:13,699 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/956008e6c/8b60a28b62a74315b6ce9b1a4c539d64/FLAGddf295d1b [2022-03-16 09:56:14,185 INFO L306 CDTParser]: Found 1 translation units. [2022-03-16 09:56:14,186 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i [2022-03-16 09:56:14,203 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/956008e6c/8b60a28b62a74315b6ce9b1a4c539d64/FLAGddf295d1b [2022-03-16 09:56:14,522 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/956008e6c/8b60a28b62a74315b6ce9b1a4c539d64 [2022-03-16 09:56:14,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 09:56:14,525 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-16 09:56:14,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-16 09:56:14,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-16 09:56:14,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-16 09:56:14,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 09:56:14" (1/1) ... [2022-03-16 09:56:14,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bcddb65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:56:14, skipping insertion in model container [2022-03-16 09:56:14,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 09:56:14" (1/1) ... [2022-03-16 09:56:14,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-16 09:56:14,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-16 09:56:14,874 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30451,30464] [2022-03-16 09:56:14,881 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30681,30694] [2022-03-16 09:56:14,890 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30979,30992] [2022-03-16 09:56:14,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 09:56:14,913 INFO L203 MainTranslator]: Completed pre-run [2022-03-16 09:56:14,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30451,30464] [2022-03-16 09:56:14,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30681,30694] [2022-03-16 09:56:14,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30979,30992] [2022-03-16 09:56:14,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 09:56:15,014 INFO L208 MainTranslator]: Completed translation [2022-03-16 09:56:15,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:56:15 WrapperNode [2022-03-16 09:56:15,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-16 09:56:15,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 09:56:15,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 09:56:15,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 09:56:15,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:56:15" (1/1) ... [2022-03-16 09:56:15,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:56:15" (1/1) ... [2022-03-16 09:56:15,070 INFO L137 Inliner]: procedures = 168, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 142 [2022-03-16 09:56:15,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 09:56:15,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 09:56:15,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 09:56:15,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 09:56:15,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:56:15" (1/1) ... [2022-03-16 09:56:15,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:56:15" (1/1) ... [2022-03-16 09:56:15,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:56:15" (1/1) ... [2022-03-16 09:56:15,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:56:15" (1/1) ... [2022-03-16 09:56:15,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:56:15" (1/1) ... [2022-03-16 09:56:15,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:56:15" (1/1) ... [2022-03-16 09:56:15,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:56:15" (1/1) ... [2022-03-16 09:56:15,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 09:56:15,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 09:56:15,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 09:56:15,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 09:56:15,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:56:15" (1/1) ... [2022-03-16 09:56:15,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 09:56:15,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 09:56:15,131 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) [2022-03-16 09:56:15,151 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 [2022-03-16 09:56:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-16 09:56:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-03-16 09:56:15,179 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-03-16 09:56:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-03-16 09:56:15,179 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-03-16 09:56:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-16 09:56:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-16 09:56:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-16 09:56:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-16 09:56:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-16 09:56:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-03-16 09:56:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-16 09:56:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 09:56:15,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 09:56:15,181 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 09:56:15,335 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 09:56:15,336 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 09:56:15,650 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 09:56:15,657 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 09:56:15,658 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-03-16 09:56:15,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 09:56:15 BoogieIcfgContainer [2022-03-16 09:56:15,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 09:56:15,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 09:56:15,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 09:56:15,672 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 09:56:15,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 09:56:14" (1/3) ... [2022-03-16 09:56:15,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76304e2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 09:56:15, skipping insertion in model container [2022-03-16 09:56:15,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:56:15" (2/3) ... [2022-03-16 09:56:15,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76304e2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 09:56:15, skipping insertion in model container [2022-03-16 09:56:15,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 09:56:15" (3/3) ... [2022-03-16 09:56:15,675 INFO L111 eAbstractionObserver]: Analyzing ICFG circular_buffer_ok.i [2022-03-16 09:56:15,680 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 09:56:15,681 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 09:56:15,681 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-03-16 09:56:15,681 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 09:56:15,743 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,743 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,744 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,744 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,744 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,744 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,744 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,744 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,745 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,745 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,745 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,745 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,745 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,745 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,746 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,746 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,746 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,746 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,746 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,747 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,747 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,747 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,747 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,747 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,748 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,748 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,748 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,748 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,748 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,749 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,749 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,749 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,749 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,749 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,749 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,749 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,750 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,750 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,750 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,750 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,750 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,750 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,751 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,751 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,751 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,751 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,752 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,752 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,753 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,753 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,754 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,754 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,754 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,754 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,755 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,755 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,755 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,755 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,755 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,756 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,756 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,756 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,757 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,757 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,757 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,757 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,757 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,757 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,757 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,758 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,758 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,758 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,758 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,758 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,761 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,761 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,761 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,761 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,762 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,762 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,762 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,763 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,763 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,764 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,764 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,765 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,766 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,766 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,766 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,766 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,766 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,767 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,767 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,767 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,767 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,767 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,767 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,768 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,768 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,768 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,768 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,768 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,769 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,769 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,769 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,769 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,769 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,769 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,769 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,769 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,770 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,770 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,771 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,771 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,771 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,771 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,771 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,771 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,772 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,772 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,772 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,772 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,772 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,772 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,773 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,773 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,773 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,773 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,773 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,774 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,774 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,774 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,774 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,775 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,775 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,778 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,778 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,779 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,779 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,779 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,779 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,779 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,779 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,779 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,784 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,785 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,785 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,785 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,785 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,785 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,785 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,785 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,785 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,786 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,786 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,790 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,791 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,791 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,791 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,791 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,791 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,791 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,792 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,792 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,792 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,792 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:56:15,796 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-16 09:56:15,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 09:56:15,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 09:56:15,859 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) [2022-03-16 09:56:15,896 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 [2022-03-16 09:56:15,926 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 09:56:15,935 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-16 09:56:15,935 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-03-16 09:56:16,098 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1073 transitions and produced 1055 states. [2022-03-16 09:56:16,100 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-03-16 09:56:16,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 09:56:16,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1455202728, now seen corresponding path program 1 times [2022-03-16 09:56:16,115 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 09:56:16,116 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213567653] [2022-03-16 09:56:16,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:56:16,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 09:56:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 09:56:16,582 INFO L134 CoverageAnalysis]: Checked inductivity of 3706 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3706 trivial. 0 not checked. [2022-03-16 09:56:16,582 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 09:56:16,583 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213567653] [2022-03-16 09:56:16,583 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213567653] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 09:56:16,584 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 09:56:16,584 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-16 09:56:16,585 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824296086] [2022-03-16 09:56:16,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 09:56:16,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-16 09:56:16,591 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 09:56:16,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-16 09:56:16,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-16 09:56:16,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:56:16,611 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 09:56:16,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.5) internal successors, (95), 2 states have internal predecessors, (95), 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) [2022-03-16 09:56:16,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:56:16,661 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1043 transitions and produced 1043 states. [2022-03-16 09:56:16,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:56:16,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 09:56:16,663 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-03-16 09:56:16,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 09:56:16,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1622154855, now seen corresponding path program 1 times [2022-03-16 09:56:16,664 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 09:56:16,664 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536316283] [2022-03-16 09:56:16,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:56:16,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 09:56:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 09:56:16,929 INFO L134 CoverageAnalysis]: Checked inductivity of 3706 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3706 trivial. 0 not checked. [2022-03-16 09:56:16,930 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 09:56:16,930 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536316283] [2022-03-16 09:56:16,930 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536316283] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 09:56:16,930 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 09:56:16,930 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 09:56:16,930 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971624691] [2022-03-16 09:56:16,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 09:56:16,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 09:56:16,932 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 09:56:16,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 09:56:16,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 09:56:16,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:56:16,933 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 09:56:16,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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) [2022-03-16 09:56:16,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:56:16,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:56:17,014 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1131 transitions and produced 1113 states. [2022-03-16 09:56:17,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:56:17,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 09:56:17,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-16 09:56:17,018 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-03-16 09:56:17,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 09:56:17,019 INFO L85 PathProgramCache]: Analyzing trace with hash 348826015, now seen corresponding path program 1 times [2022-03-16 09:56:17,019 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 09:56:17,019 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683354450] [2022-03-16 09:56:17,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:56:17,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 09:56:17,123 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-16 09:56:17,123 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1095661344] [2022-03-16 09:56:17,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:56:17,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 09:56:17,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 09:56:17,128 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) [2022-03-16 09:56:17,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 09:56:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 09:56:17,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 1090 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-16 09:56:17,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 09:56:18,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3707 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3706 trivial. 0 not checked. [2022-03-16 09:56:18,368 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 09:56:19,182 INFO L134 CoverageAnalysis]: Checked inductivity of 3707 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3706 trivial. 0 not checked. [2022-03-16 09:56:19,182 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 09:56:19,182 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683354450] [2022-03-16 09:56:19,182 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-16 09:56:19,183 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095661344] [2022-03-16 09:56:19,183 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095661344] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 09:56:19,183 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-03-16 09:56:19,183 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-03-16 09:56:19,183 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544175087] [2022-03-16 09:56:19,184 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-03-16 09:56:19,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-16 09:56:19,184 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 09:56:19,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-16 09:56:19,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-03-16 09:56:19,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:56:19,185 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 09:56:19,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.625) internal successors, (149), 8 states have internal predecessors, (149), 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) [2022-03-16 09:56:19,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:56:19,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 09:56:19,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:56:19,287 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1247 transitions and produced 1229 states. [2022-03-16 09:56:19,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:56:19,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 09:56:19,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 09:56:19,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-16 09:56:19,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-03-16 09:56:19,514 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-03-16 09:56:19,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 09:56:19,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1454848213, now seen corresponding path program 2 times [2022-03-16 09:56:19,515 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 09:56:19,515 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385840671] [2022-03-16 09:56:19,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:56:19,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 09:56:19,573 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-16 09:56:19,574 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [218560138] [2022-03-16 09:56:19,574 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 09:56:19,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 09:56:19,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 09:56:19,575 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) [2022-03-16 09:56:19,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 09:56:19,855 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 09:56:19,855 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 09:56:19,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 1210 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-16 09:56:19,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 09:56:20,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3787 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 3706 trivial. 0 not checked. [2022-03-16 09:56:20,750 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 09:56:21,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3787 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 3706 trivial. 0 not checked. [2022-03-16 09:56:21,741 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 09:56:21,742 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385840671] [2022-03-16 09:56:21,742 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-16 09:56:21,742 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218560138] [2022-03-16 09:56:21,742 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218560138] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 09:56:21,742 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-03-16 09:56:21,742 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-03-16 09:56:21,743 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065174247] [2022-03-16 09:56:21,743 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-03-16 09:56:21,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-03-16 09:56:21,744 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 09:56:21,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-03-16 09:56:21,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2022-03-16 09:56:21,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:56:21,745 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 09:56:21,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 16.866666666666667) internal successors, (253), 15 states have internal predecessors, (253), 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) [2022-03-16 09:56:21,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:56:21,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 09:56:21,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 09:56:21,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:56:21,995 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1479 transitions and produced 1461 states. [2022-03-16 09:56:21,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:56:21,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 09:56:21,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 09:56:21,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 09:56:22,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-16 09:56:22,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 09:56:22,225 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-03-16 09:56:22,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 09:56:22,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1759659965, now seen corresponding path program 3 times [2022-03-16 09:56:22,226 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 09:56:22,226 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413136732] [2022-03-16 09:56:22,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:56:22,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 09:56:22,276 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-16 09:56:22,277 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [452603106] [2022-03-16 09:56:22,277 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 09:56:22,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 09:56:22,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 09:56:22,278 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) [2022-03-16 09:56:22,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 09:56:22,520 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-16 09:56:22,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 09:56:22,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-16 09:56:22,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 09:56:23,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4259 backedges. 386 proven. 0 refuted. 0 times theorem prover too weak. 3873 trivial. 0 not checked. [2022-03-16 09:56:23,350 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-16 09:56:23,350 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 09:56:23,350 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413136732] [2022-03-16 09:56:23,350 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-16 09:56:23,350 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452603106] [2022-03-16 09:56:23,350 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452603106] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 09:56:23,350 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 09:56:23,351 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 09:56:23,351 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541838866] [2022-03-16 09:56:23,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 09:56:23,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 09:56:23,352 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 09:56:23,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 09:56:23,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 09:56:23,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:56:23,352 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 09:56:23,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 09:56:23,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:56:23,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 09:56:23,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 09:56:23,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 09:56:23,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:56:23,403 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1058 transitions and produced 824 states. [2022-03-16 09:56:23,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:56:23,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 09:56:23,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 09:56:23,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 09:56:23,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 09:56:23,429 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-16 09:56:23,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 09:56:23,630 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-03-16 09:56:23,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 09:56:23,631 INFO L85 PathProgramCache]: Analyzing trace with hash -971650056, now seen corresponding path program 1 times [2022-03-16 09:56:23,631 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 09:56:23,631 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585573671] [2022-03-16 09:56:23,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:56:23,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 09:56:23,660 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-16 09:56:23,660 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1046788487] [2022-03-16 09:56:23,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:56:23,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 09:56:23,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 09:56:23,662 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 09:56:23,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-16 09:56:23,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 09:56:23,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-16 09:56:23,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 09:56:24,240 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 174 proven. 4 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2022-03-16 09:56:24,240 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 09:56:24,600 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2022-03-16 09:56:24,600 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 09:56:24,600 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585573671] [2022-03-16 09:56:24,601 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-16 09:56:24,601 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046788487] [2022-03-16 09:56:24,601 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046788487] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-16 09:56:24,601 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-16 09:56:24,601 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-03-16 09:56:24,601 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310408019] [2022-03-16 09:56:24,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 09:56:24,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 09:56:24,602 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 09:56:24,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 09:56:24,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-16 09:56:24,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:56:24,602 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 09:56:24,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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) [2022-03-16 09:56:24,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:56:24,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 09:56:24,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 09:56:24,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 09:56:24,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 09:56:24,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:56:24,635 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 824 transitions and produced 590 states. [2022-03-16 09:56:24,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:56:24,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 09:56:24,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 09:56:24,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 09:56:24,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 09:56:24,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 09:56:24,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-16 09:56:24,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 09:56:24,851 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-03-16 09:56:24,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 09:56:24,852 INFO L85 PathProgramCache]: Analyzing trace with hash -54016692, now seen corresponding path program 1 times [2022-03-16 09:56:24,852 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 09:56:24,852 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704256032] [2022-03-16 09:56:24,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:56:24,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 09:56:24,875 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-16 09:56:24,875 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1578867845] [2022-03-16 09:56:24,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:56:24,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 09:56:24,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 09:56:24,877 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 09:56:24,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-16 09:56:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 09:56:25,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 35 conjunts are in the unsatisfiable core [2022-03-16 09:56:25,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 09:56:25,105 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 7 treesize of output 6 [2022-03-16 09:56:25,263 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-03-16 09:56:25,264 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 [2022-03-16 09:56:25,294 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-03-16 09:56:25,295 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-03-16 09:56:25,437 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-03-16 09:56:25,493 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-03-16 09:56:25,647 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-03-16 09:56:26,342 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 46 [2022-03-16 09:56:26,509 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-03-16 09:56:26,509 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 09:56:31,963 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((aux_mod_~first~0_40 Int)) (or (let ((.cse0 (<= (mod |c_t1Thread1of1ForFork0_insertLogElement_~b#1| 256) 127))) (and (or (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) (+ (- 256) (mod |c_t1Thread1of1ForFork0_insertLogElement_~b#1| 256))) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (< 2147483647 aux_mod_~next~0_24) (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) (+ (- 256) (mod |c_t1Thread1of1ForFork0_insertLogElement_~b#1| 256))) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) |c_t1Thread1of1ForFork0_~i~0#1|) (< aux_mod_~next~0_24 0)))) .cse0) (or (not .cse0) (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) (mod |c_t1Thread1of1ForFork0_insertLogElement_~b#1| 256)) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296)))) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) (mod |c_t1Thread1of1ForFork0_insertLogElement_~b#1| 256)) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24))))))) (<= aux_mod_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40))) (forall ((aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (let ((.cse1 (<= (mod |c_t1Thread1of1ForFork0_insertLogElement_~b#1| 256) 127))) (and (or (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) (+ (- 256) (mod |c_t1Thread1of1ForFork0_insertLogElement_~b#1| 256))) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) (+ (- 256) (mod |c_t1Thread1of1ForFork0_insertLogElement_~b#1| 256))) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) |c_t1Thread1of1ForFork0_~i~0#1|) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0)))) .cse1) (or (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (<= aux_mod_~next~0_24 2147483647) (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) (mod |c_t1Thread1of1ForFork0_insertLogElement_~b#1| 256)) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) |c_t1Thread1of1ForFork0_~i~0#1|) (<= 4294967296 aux_mod_~next~0_24))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) (mod |c_t1Thread1of1ForFork0_insertLogElement_~b#1| 256)) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296)))) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0)))) (not .cse1))))))) is different from false [2022-03-16 09:56:35,324 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (let ((.cse0 (<= (mod |c_t1Thread1of1ForFork0_insertLogElement_#in~b#1| 256) 127))) (and (or (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) (mod |c_t1Thread1of1ForFork0_insertLogElement_#in~b#1| 256)) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) |c_t1Thread1of1ForFork0_~i~0#1|) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) (mod |c_t1Thread1of1ForFork0_insertLogElement_#in~b#1| 256)) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296)))) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0)))) (not .cse0)) (or (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (< 2147483647 aux_mod_~next~0_24) (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) (+ (- 256) (mod |c_t1Thread1of1ForFork0_insertLogElement_#in~b#1| 256))) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) |c_t1Thread1of1ForFork0_~i~0#1|) (< aux_mod_~next~0_24 0))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) (+ (- 256) (mod |c_t1Thread1of1ForFork0_insertLogElement_#in~b#1| 256))) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24)))) .cse0))))) (forall ((aux_mod_~first~0_40 Int)) (or (<= aux_mod_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40) (let ((.cse1 (<= (mod |c_t1Thread1of1ForFork0_insertLogElement_#in~b#1| 256) 127))) (and (or (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) (mod |c_t1Thread1of1ForFork0_insertLogElement_#in~b#1| 256)) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296)))) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) (mod |c_t1Thread1of1ForFork0_insertLogElement_#in~b#1| 256)) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24)))) (not .cse1)) (or (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (<= aux_mod_~next~0_24 2147483647) (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) (+ (- 256) (mod |c_t1Thread1of1ForFork0_insertLogElement_#in~b#1| 256))) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) |c_t1Thread1of1ForFork0_~i~0#1|) (<= 4294967296 aux_mod_~next~0_24))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) (+ (- 256) (mod |c_t1Thread1of1ForFork0_insertLogElement_#in~b#1| 256))) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) |c_t1Thread1of1ForFork0_~i~0#1|) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0)))) .cse1)))))) is different from false [2022-03-16 09:56:39,123 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (let ((.cse0 (<= (mod |c_t1Thread1of1ForFork0_~i~0#1| 256) 127))) (and (or (not .cse0) (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) (mod |c_t1Thread1of1ForFork0_~i~0#1| 256)) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) |c_t1Thread1of1ForFork0_~i~0#1|) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) (mod |c_t1Thread1of1ForFork0_~i~0#1| 256)) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24))))) (or (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (<= aux_mod_~next~0_24 2147483647) (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) (+ (mod |c_t1Thread1of1ForFork0_~i~0#1| 256) (- 256))) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296)))) (<= 4294967296 aux_mod_~next~0_24))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (< 2147483647 aux_mod_~next~0_24) (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) (+ (mod |c_t1Thread1of1ForFork0_~i~0#1| 256) (- 256))) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296)))) (< aux_mod_~next~0_24 0)))) .cse0))))) (forall ((aux_mod_~first~0_40 Int)) (or (let ((.cse1 (<= (mod |c_t1Thread1of1ForFork0_~i~0#1| 256) 127))) (and (or (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (< 2147483647 aux_mod_~next~0_24) (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) (+ (mod |c_t1Thread1of1ForFork0_~i~0#1| 256) (- 256))) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) |c_t1Thread1of1ForFork0_~i~0#1|) (< aux_mod_~next~0_24 0))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) (+ (mod |c_t1Thread1of1ForFork0_~i~0#1| 256) (- 256))) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24)))) .cse1) (or (not .cse1) (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) (mod |c_t1Thread1of1ForFork0_~i~0#1| 256)) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296)))) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) (mod |c_t1Thread1of1ForFork0_~i~0#1| 256)) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24))))))) (<= aux_mod_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40)))) is different from false [2022-03-16 09:56:44,578 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) 0) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) 0) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24)))))) (forall ((aux_mod_~first~0_40 Int)) (or (<= aux_mod_~first~0_40 2147483647) (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24)))) (<= 4294967296 aux_mod_~first~0_40)))) is different from false [2022-03-16 09:56:45,268 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((aux_mod_~first~0_40 Int)) (or (and (forall ((v_ArrVal_1228 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0))) (forall ((v_ArrVal_1228 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24)))) (<= aux_mod_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40))) (forall ((aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (and (forall ((v_ArrVal_1228 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) 0) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24))) (forall ((v_ArrVal_1228 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (< 2147483647 aux_mod_~next~0_24) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) 0) (< aux_mod_~next~0_24 0))))))) is different from false [2022-03-16 09:56:46,673 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((aux_mod_~first~0_40 Int)) (or (<= aux_mod_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40) (and (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1227) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0))) (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1227) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24)))))) (forall ((aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (and (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= 0 (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1227) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24))) (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1227) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) 0) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0))))))) is different from false [2022-03-16 10:02:55,298 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 731 treesize of output 707 [2022-03-16 10:02:55,333 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 679 treesize of output 651 [2022-03-16 10:02:55,358 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 583 treesize of output 569 [2022-03-16 10:02:55,376 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 557 treesize of output 543 [2022-03-16 10:02:55,394 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 522 treesize of output 515 [2022-03-16 10:02:55,410 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 532 treesize of output 520 [2022-03-16 10:02:55,427 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 502 treesize of output 490 [2022-03-16 10:02:55,444 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 474 treesize of output 468 [2022-03-16 10:02:59,745 INFO L353 Elim1Store]: treesize reduction 14, result has 44.0 percent of original size [2022-03-16 10:02:59,746 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 37 [2022-03-16 10:02:59,793 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 25 not checked. [2022-03-16 10:02:59,793 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 10:02:59,793 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704256032] [2022-03-16 10:02:59,793 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-16 10:02:59,793 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578867845] [2022-03-16 10:02:59,794 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578867845] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 10:02:59,794 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-03-16 10:02:59,794 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18] total 32 [2022-03-16 10:02:59,794 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864817156] [2022-03-16 10:02:59,794 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-03-16 10:02:59,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-16 10:02:59,795 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 10:02:59,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-16 10:02:59,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=559, Unknown=10, NotChecked=318, Total=992 [2022-03-16 10:02:59,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:02:59,796 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 10:02:59,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 7.4375) internal successors, (238), 32 states have internal predecessors, (238), 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) [2022-03-16 10:02:59,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:02:59,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:02:59,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 10:02:59,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 10:02:59,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:02:59,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:02:59,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:03:01,858 WARN L838 $PredicateComparison]: unable to prove that (and (= (select |c_#valid| 3) 1) (forall ((aux_mod_~first~0_40 Int)) (or (<= aux_mod_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40) (and (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1227) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0))) (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1227) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24)))))) (not (= |c_ULTIMATE.start_main_~#id2~0#1.base| 3)) (forall ((aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (and (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= 0 (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1227) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24))) (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1227) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) 0) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0)))))) (= ((as const (Array Int Int)) 0) (select |c_#memory_int| |c_~#buffer~0.base|)) (= 3 |c_~#buffer~0.base|) (not (= 3 |c_ULTIMATE.start_main_~#id1~0#1.base|))) is different from false [2022-03-16 10:03:03,864 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((aux_mod_~first~0_40 Int)) (or (<= aux_mod_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40) (and (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1227) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0))) (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1227) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24)))))) (not (= |c_ULTIMATE.start_main_~#id2~0#1.base| 3)) (forall ((aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (and (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= 0 (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1227) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24))) (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1227) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) 0) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0)))))) (= ((as const (Array Int Int)) 0) (select |c_#memory_int| |c_~#buffer~0.base|)) (= 3 |c_~#buffer~0.base|) (not (= 3 |c_ULTIMATE.start_main_~#id1~0#1.base|))) is different from false [2022-03-16 10:03:05,870 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#id2~0#1.base| 3)) (forall ((aux_mod_~first~0_40 Int)) (or (and (forall ((v_ArrVal_1228 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0))) (forall ((v_ArrVal_1228 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24)))) (<= aux_mod_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40))) (forall ((aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (and (forall ((v_ArrVal_1228 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) 0) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24))) (forall ((v_ArrVal_1228 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (< 2147483647 aux_mod_~next~0_24) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) 0) (< aux_mod_~next~0_24 0)))))) (= ((as const (Array Int Int)) 0) (select |c_#memory_int| |c_~#buffer~0.base|)) (= 3 |c_~#buffer~0.base|)) is different from false [2022-03-16 10:03:06,267 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 888 transitions and produced 621 states. [2022-03-16 10:03:06,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:03:06,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:03:06,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 10:03:06,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 10:03:06,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:03:06,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:03:06,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 10:03:06,294 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-16 10:03:06,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 10:03:06,492 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-03-16 10:03:06,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 10:03:06,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1924620408, now seen corresponding path program 1 times [2022-03-16 10:03:06,492 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 10:03:06,492 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419395504] [2022-03-16 10:03:06,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:03:06,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 10:03:06,518 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-16 10:03:06,518 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1380844097] [2022-03-16 10:03:06,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:03:06,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 10:03:06,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:03:06,522 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 10:03:06,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-16 10:03:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 10:03:06,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 14 conjunts are in the unsatisfiable core [2022-03-16 10:03:06,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 10:03:31,478 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-16 10:03:31,479 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 10:03:35,130 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-16 10:03:35,130 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 10:03:35,130 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419395504] [2022-03-16 10:03:35,130 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-16 10:03:35,131 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380844097] [2022-03-16 10:03:35,131 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1380844097] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 10:03:35,131 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-03-16 10:03:35,131 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2022-03-16 10:03:35,131 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940745509] [2022-03-16 10:03:35,131 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-03-16 10:03:35,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-03-16 10:03:35,132 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 10:03:35,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-03-16 10:03:35,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=160, Unknown=1, NotChecked=0, Total=210 [2022-03-16 10:03:35,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:03:35,132 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 10:03:35,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.066666666666666) internal successors, (181), 15 states have internal predecessors, (181), 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) [2022-03-16 10:03:35,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:03:35,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:03:35,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 10:03:35,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 10:03:35,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:03:35,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:03:35,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 10:03:35,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:03:38,388 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-16 10:03:42,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-16 10:03:45,049 WARN L838 $PredicateComparison]: unable to prove that (and (let ((.cse0 (mod c_~buffer_size~0 4294967296))) (or (< 0 (mod (mod (mod (+ c_~next~0 1) 4294967296) .cse0) 4294967296)) (not (< (mod c_~next~0 4294967296) .cse0)))) (= |c_ULTIMATE.start_initLog_~max#1| 10) (= c_~buffer_size~0 10) (= |c_ULTIMATE.start_initLog_#in~max#1| 10)) is different from false [2022-03-16 10:03:46,941 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 68438 transitions and produced 33012 states. [2022-03-16 10:03:46,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:03:46,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:03:46,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 10:03:46,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 10:03:46,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:03:46,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:03:46,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 10:03:46,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-16 10:03:46,959 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-03-16 10:03:47,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 10:03:47,142 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-03-16 10:03:47,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 10:03:47,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1817145469, now seen corresponding path program 1 times [2022-03-16 10:03:47,143 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 10:03:47,143 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330927649] [2022-03-16 10:03:47,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:03:47,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 10:03:47,172 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-16 10:03:47,173 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1655164104] [2022-03-16 10:03:47,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:03:47,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 10:03:47,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:03:47,174 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 10:03:47,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-16 10:03:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 10:03:47,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-16 10:03:47,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 10:03:47,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 820 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2022-03-16 10:03:47,952 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-16 10:03:47,952 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 10:03:47,952 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330927649] [2022-03-16 10:03:47,952 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-16 10:03:47,952 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655164104] [2022-03-16 10:03:47,952 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1655164104] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 10:03:47,952 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 10:03:47,953 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-16 10:03:47,953 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109506517] [2022-03-16 10:03:47,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 10:03:47,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-16 10:03:47,953 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 10:03:47,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-16 10:03:47,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2022-03-16 10:03:47,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:03:47,954 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 10:03:47,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 11.588235294117647) internal successors, (197), 17 states have internal predecessors, (197), 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) [2022-03-16 10:03:47,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:03:47,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:03:47,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 10:03:47,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 10:03:47,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:03:47,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:03:47,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 10:03:47,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-16 10:03:47,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:03:54,119 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 429154 transitions and produced 162601 states. [2022-03-16 10:03:54,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:03:54,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:03:54,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 10:03:54,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 10:03:54,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:03:54,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:03:54,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 10:03:54,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-16 10:03:54,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-16 10:03:54,138 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-16 10:03:54,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-03-16 10:03:54,321 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-03-16 10:03:54,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 10:03:54,322 INFO L85 PathProgramCache]: Analyzing trace with hash -711753987, now seen corresponding path program 2 times [2022-03-16 10:03:54,322 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 10:03:54,322 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614762685] [2022-03-16 10:03:54,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:03:54,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 10:03:54,341 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-16 10:03:54,342 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [23550374] [2022-03-16 10:03:54,342 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 10:03:54,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 10:03:54,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:03:54,343 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 10:03:54,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-16 10:03:54,544 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 10:03:54,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 10:03:54,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 6 conjunts are in the unsatisfiable core [2022-03-16 10:03:54,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 10:03:54,687 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-16 10:03:54,786 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-03-16 10:03:54,786 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-16 10:03:54,786 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 10:03:54,786 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614762685] [2022-03-16 10:03:54,787 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-16 10:03:54,787 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [23550374] [2022-03-16 10:03:54,787 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [23550374] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 10:03:54,787 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 10:03:54,787 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 10:03:54,789 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523355995] [2022-03-16 10:03:54,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 10:03:54,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 10:03:54,790 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 10:03:54,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 10:03:54,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 10:03:54,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:03:54,791 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 10:03:54,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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) [2022-03-16 10:03:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:03:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:03:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 10:03:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 10:03:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:03:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:03:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 10:03:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-16 10:03:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-16 10:03:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:03:54,843 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1242 transitions and produced 787 states. [2022-03-16 10:03:54,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:03:54,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:03:54,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 10:03:54,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 10:03:54,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:03:54,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:03:54,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 10:03:54,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-16 10:03:54,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-16 10:03:54,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:03:54,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-16 10:03:55,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-03-16 10:03:55,046 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-03-16 10:03:55,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 10:03:55,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1842722511, now seen corresponding path program 3 times [2022-03-16 10:03:55,046 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 10:03:55,046 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465278276] [2022-03-16 10:03:55,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:03:55,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 10:03:55,088 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-16 10:03:55,088 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1258284064] [2022-03-16 10:03:55,088 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 10:03:55,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 10:03:55,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:03:55,090 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 10:03:55,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-16 10:03:55,979 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-03-16 10:03:55,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 10:03:55,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 49 conjunts are in the unsatisfiable core [2022-03-16 10:03:55,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 10:03:57,357 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 57 [2022-03-16 10:03:57,363 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 60 [2022-03-16 10:03:57,370 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-03-16 10:03:57,398 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 42 [2022-03-16 10:04:02,737 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2022-03-16 10:04:03,042 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-03-16 10:04:03,043 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 10:04:06,168 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-03-16 10:04:06,184 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 10:04:06,185 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 44 [2022-03-16 10:04:06,210 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 10 [2022-03-16 10:04:06,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 10:04:06,266 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 14 [2022-03-16 10:04:06,324 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 10:04:06,324 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 32 [2022-03-16 10:04:06,490 INFO L353 Elim1Store]: treesize reduction 39, result has 23.5 percent of original size [2022-03-16 10:04:06,491 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 117 treesize of output 98 [2022-03-16 10:04:16,030 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-03-16 10:04:16,030 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 10:04:16,031 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465278276] [2022-03-16 10:04:16,031 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-16 10:04:16,031 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258284064] [2022-03-16 10:04:16,031 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258284064] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 10:04:16,031 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-03-16 10:04:16,031 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 23] total 46 [2022-03-16 10:04:16,031 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325517561] [2022-03-16 10:04:16,031 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-03-16 10:04:16,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-03-16 10:04:16,032 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 10:04:16,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-03-16 10:04:16,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=1884, Unknown=0, NotChecked=0, Total=2070 [2022-03-16 10:04:16,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:04:16,033 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 10:04:16,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 6.478260869565218) internal successors, (298), 46 states have internal predecessors, (298), 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) [2022-03-16 10:04:16,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:04:16,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:04:16,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 10:04:16,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 10:04:16,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:04:16,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:04:16,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 10:04:16,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-16 10:04:16,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-16 10:04:16,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:04:16,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:04:35,795 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:04:38,462 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-16 10:04:42,075 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:04:46,533 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-16 10:04:48,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-16 10:04:50,935 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:04:53,189 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:04:55,380 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-16 10:04:57,590 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-16 10:05:00,077 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-16 10:05:02,527 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-16 10:05:12,634 WARN L228 SmtUtils]: Spent 6.55s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-16 10:05:22,461 WARN L228 SmtUtils]: Spent 8.70s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-16 10:05:25,398 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:05:28,671 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:05:30,893 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:05:33,098 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:05:36,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:05:39,958 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:05:45,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:05:48,754 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:05:50,964 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:05:53,175 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:05:56,332 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:05:59,956 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:06:02,158 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:06:05,838 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:06:08,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:06:10,633 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:06:12,847 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:06:15,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:06:17,412 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:06:19,621 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:06:22,091 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:06:24,520 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:06:26,964 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:06:29,166 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:06:31,361 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:06:33,567 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:06:35,789 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:06:38,002 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:06:40,149 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:06:42,354 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:06:44,576 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:06:46,723 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:06:50,297 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:06:50,487 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 35973 transitions and produced 13886 states. [2022-03-16 10:06:50,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:06:50,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:06:50,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 10:06:50,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 10:06:50,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:06:50,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:06:50,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 10:06:50,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-16 10:06:50,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-16 10:06:50,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:06:50,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-16 10:06:50,497 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-03-16 10:06:50,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-03-16 10:06:50,689 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-03-16 10:06:50,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 10:06:50,689 INFO L85 PathProgramCache]: Analyzing trace with hash 12798229, now seen corresponding path program 1 times [2022-03-16 10:06:50,689 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 10:06:50,689 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574901947] [2022-03-16 10:06:50,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:06:50,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 10:06:50,714 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-16 10:06:50,714 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1423524718] [2022-03-16 10:06:50,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:06:50,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 10:06:50,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:06:50,716 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 10:06:50,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-16 10:06:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 10:06:51,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 21 conjunts are in the unsatisfiable core [2022-03-16 10:06:51,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 10:06:52,905 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 4 proven. 96 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-03-16 10:06:52,905 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 10:07:16,307 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 4 proven. 96 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-03-16 10:07:16,307 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 10:07:16,308 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574901947] [2022-03-16 10:07:16,308 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-16 10:07:16,308 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423524718] [2022-03-16 10:07:16,308 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1423524718] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 10:07:16,308 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-03-16 10:07:16,308 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2022-03-16 10:07:16,308 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441916876] [2022-03-16 10:07:16,308 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-03-16 10:07:16,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-16 10:07:16,309 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 10:07:16,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-16 10:07:16,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=369, Unknown=1, NotChecked=0, Total=462 [2022-03-16 10:07:16,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:07:16,310 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 10:07:16,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 12.772727272727273) internal successors, (281), 22 states have internal predecessors, (281), 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) [2022-03-16 10:07:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:07:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:07:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 10:07:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 10:07:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:07:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:07:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 10:07:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-16 10:07:16,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-16 10:07:16,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 10:07:16,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-03-16 10:07:16,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:07:27,062 WARN L228 SmtUtils]: Spent 8.84s on a formula simplification. DAG size of input: 48 DAG size of output: 46 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-16 10:07:37,391 WARN L228 SmtUtils]: Spent 8.95s on a formula simplification. DAG size of input: 51 DAG size of output: 49 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-16 10:07:49,325 WARN L228 SmtUtils]: Spent 10.04s on a formula simplification. DAG size of input: 53 DAG size of output: 51 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-16 10:07:52,197 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-16 10:07:54,377 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-16 10:07:56,496 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-16 10:08:03,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-16 10:08:05,245 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-16 10:08:07,367 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-16 10:08:09,485 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-16 10:08:12,443 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-16 10:08:14,621 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-16 10:08:16,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-16 10:08:18,861 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-16 10:08:21,026 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-16 10:09:44,141 WARN L228 SmtUtils]: Spent 1.28m on a formula simplification. DAG size of input: 38 DAG size of output: 36 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-16 10:09:46,345 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse4 (mod (+ c_~next~0 1) 4294967296)) (.cse0 (mod c_~buffer_size~0 4294967296))) (let ((.cse3 (mod .cse4 .cse0))) (let ((.cse2 (mod .cse3 4294967296))) (let ((.cse1 (< 0 .cse2))) (and (< (mod c_~first~0 4294967296) .cse0) (= |c_ULTIMATE.start_initLog_~max#1| 10) .cse1 (or (not (< .cse2 .cse0)) (and (< 0 (mod (mod (mod (+ .cse3 1) 4294967296) .cse0) 4294967296)) (< .cse4 .cse0)) (not .cse1)) (= c_~buffer_size~0 10) (< 0 (mod c_~next~0 4294967296)) (= |c_ULTIMATE.start_initLog_#in~max#1| 10)))))) is different from false [2022-03-16 10:09:48,354 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-16 10:09:50,544 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-16 10:09:53,069 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:09:58,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:10:00,370 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:10:05,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:10:09,629 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-16 10:10:11,862 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-16 10:10:14,015 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-16 10:10:17,273 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-16 10:10:19,476 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] Received shutdown request... [2022-03-16 10:10:19,553 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 10:10:19,553 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 [2022-03-16 10:10:19,553 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 [2022-03-16 10:10:19,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-03-16 10:10:19,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-03-16 10:10:19,890 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 97 known predicates. [2022-03-16 10:10:19,892 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (7 of 8 remaining) [2022-03-16 10:10:19,892 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (6 of 8 remaining) [2022-03-16 10:10:19,892 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2022-03-16 10:10:19,892 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err1ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2022-03-16 10:10:19,892 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2022-03-16 10:10:19,893 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2022-03-16 10:10:19,893 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err1ASSERT_VIOLATIONERROR_FUNCTION (1 of 8 remaining) [2022-03-16 10:10:19,893 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 8 remaining) [2022-03-16 10:10:19,897 INFO L732 BasicCegarLoop]: Path program histogram: [3, 3, 1, 1, 1, 1, 1, 1] [2022-03-16 10:10:19,900 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 10:10:19,900 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 10:10:19,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 10:10:19 BasicIcfg [2022-03-16 10:10:19,903 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 10:10:19,903 INFO L158 Benchmark]: Toolchain (without parser) took 845378.07ms. Allocated memory was 174.1MB in the beginning and 5.6GB in the end (delta: 5.4GB). Free memory was 114.7MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 2.6GB. Max. memory is 8.0GB. [2022-03-16 10:10:19,903 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 174.1MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 10:10:19,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.26ms. Allocated memory was 174.1MB in the beginning and 223.3MB in the end (delta: 49.3MB). Free memory was 114.5MB in the beginning and 184.1MB in the end (delta: -69.6MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. [2022-03-16 10:10:19,904 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.41ms. Allocated memory is still 223.3MB. Free memory was 184.1MB in the beginning and 182.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-16 10:10:19,904 INFO L158 Benchmark]: Boogie Preprocessor took 25.18ms. Allocated memory is still 223.3MB. Free memory was 182.0MB in the beginning and 180.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-16 10:10:19,904 INFO L158 Benchmark]: RCFGBuilder took 562.40ms. Allocated memory is still 223.3MB. Free memory was 180.4MB in the beginning and 163.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-03-16 10:10:19,904 INFO L158 Benchmark]: TraceAbstraction took 844241.53ms. Allocated memory was 223.3MB in the beginning and 5.6GB in the end (delta: 5.4GB). Free memory was 163.1MB in the beginning and 2.9GB in the end (delta: -2.7GB). Peak memory consumption was 2.6GB. Max. memory is 8.0GB. [2022-03-16 10:10:19,905 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 174.1MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 488.26ms. Allocated memory was 174.1MB in the beginning and 223.3MB in the end (delta: 49.3MB). Free memory was 114.5MB in the beginning and 184.1MB in the end (delta: -69.6MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.41ms. Allocated memory is still 223.3MB. Free memory was 184.1MB in the beginning and 182.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.18ms. Allocated memory is still 223.3MB. Free memory was 182.0MB in the beginning and 180.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 562.40ms. Allocated memory is still 223.3MB. Free memory was 180.4MB in the beginning and 163.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 844241.53ms. Allocated memory was 223.3MB in the beginning and 5.6GB in the end (delta: 5.4GB). Free memory was 163.1MB in the beginning and 2.9GB in the end (delta: -2.7GB). Peak memory consumption was 2.6GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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: 763]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 97 known predicates. - TimeoutResultAtElement [Line: 764]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 97 known predicates. - TimeoutResultAtElement [Line: 714]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 97 known predicates. - TimeoutResultAtElement [Line: 731]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 97 known predicates. - TimeoutResultAtElement [Line: 749]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 97 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 226 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 844.0s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 363.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 173, 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: 0.4s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 474.4s InterpolantComputationTime, 4331 NumberOfCodeBlocks, 3751 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 6429 ConstructedInterpolants, 148 QuantifiedInterpolants, 43337 SizeOfPredicates, 86 NumberOfNonLiveVariables, 6285 ConjunctsInSsa, 165 ConjunctsInUnsatCore, 19 InterpolantComputations, 6 PerfectInterpolantSequences, 30069/30786 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