/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-20 02:32:19,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 02:32:19,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 02:32:19,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 02:32:19,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 02:32:19,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 02:32:19,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 02:32:19,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 02:32:19,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 02:32:19,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 02:32:19,883 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 02:32:19,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 02:32:19,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 02:32:19,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 02:32:19,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 02:32:19,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 02:32:19,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 02:32:19,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 02:32:19,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 02:32:19,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 02:32:19,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 02:32:19,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 02:32:19,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 02:32:19,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 02:32:19,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-20 02:32:19,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 02:32:19,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 02:32:19,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 02:32:19,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 02:32:19,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 02:32:19,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 02:32:19,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 02:32:19,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 02:32:19,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 02:32:19,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 02:32:19,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 02:32:19,909 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.epf [2022-02-20 02:32:19,929 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 02:32:19,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 02:32:19,929 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 02:32:19,930 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 02:32:19,930 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 02:32:19,930 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 02:32:19,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 02:32:19,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 02:32:19,931 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 02:32:19,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 02:32:19,933 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 02:32:19,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 02:32:19,934 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 02:32:19,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 02:32:19,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 02:32:19,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 02:32:19,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 02:32:19,934 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 02:32:19,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 02:32:19,934 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 02:32:19,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 02:32:19,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 02:32:19,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 02:32:19,935 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-20 02:32:19,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 02:32:19,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 02:32:19,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 02:32:19,935 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-20 02:32:19,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 02:32:19,936 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 02:32:19,936 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 02:32:19,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 02:32:19,936 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 02:32:19,936 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-20 02:32:19,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 02:32:19,936 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-20 02:32:19,936 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-20 02:32:20,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 02:32:20,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 02:32:20,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 02:32:20,134 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 02:32:20,138 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 02:32:20,140 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i [2022-02-20 02:32:20,215 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43a8660ed/2a91e5045a7446d4858d62077e5ed4d4/FLAGc532dd53a [2022-02-20 02:32:20,624 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 02:32:20,625 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i [2022-02-20 02:32:20,646 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43a8660ed/2a91e5045a7446d4858d62077e5ed4d4/FLAGc532dd53a [2022-02-20 02:32:20,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43a8660ed/2a91e5045a7446d4858d62077e5ed4d4 [2022-02-20 02:32:20,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 02:32:20,662 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-20 02:32:20,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 02:32:20,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 02:32:20,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 02:32:20,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 02:32:20" (1/1) ... [2022-02-20 02:32:20,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@727b9f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:32:20, skipping insertion in model container [2022-02-20 02:32:20,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 02:32:20" (1/1) ... [2022-02-20 02:32:20,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 02:32:20,693 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 02:32:20,949 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_bad.i[30440,30453] [2022-02-20 02:32:20,964 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_bad.i[30895,30908] [2022-02-20 02:32:20,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 02:32:20,982 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 02:32:21,013 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_bad.i[30440,30453] [2022-02-20 02:32:21,015 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_bad.i[30895,30908] [2022-02-20 02:32:21,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 02:32:21,059 INFO L208 MainTranslator]: Completed translation [2022-02-20 02:32:21,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:32:21 WrapperNode [2022-02-20 02:32:21,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 02:32:21,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 02:32:21,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 02:32:21,061 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 02:32:21,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:32:21" (1/1) ... [2022-02-20 02:32:21,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:32:21" (1/1) ... [2022-02-20 02:32:21,102 INFO L137 Inliner]: procedures = 168, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 135 [2022-02-20 02:32:21,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 02:32:21,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 02:32:21,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 02:32:21,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 02:32:21,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:32:21" (1/1) ... [2022-02-20 02:32:21,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:32:21" (1/1) ... [2022-02-20 02:32:21,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:32:21" (1/1) ... [2022-02-20 02:32:21,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:32:21" (1/1) ... [2022-02-20 02:32:21,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:32:21" (1/1) ... [2022-02-20 02:32:21,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:32:21" (1/1) ... [2022-02-20 02:32:21,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:32:21" (1/1) ... [2022-02-20 02:32:21,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 02:32:21,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 02:32:21,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 02:32:21,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 02:32:21,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:32:21" (1/1) ... [2022-02-20 02:32:21,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 02:32:21,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 02:32:21,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 02:32:21,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 02:32:21,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 02:32:21,193 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-02-20 02:32:21,193 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-02-20 02:32:21,193 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-02-20 02:32:21,193 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-02-20 02:32:21,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 02:32:21,193 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-20 02:32:21,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 02:32:21,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 02:32:21,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 02:32:21,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-20 02:32:21,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 02:32:21,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 02:32:21,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 02:32:21,195 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-20 02:32:21,303 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 02:32:21,304 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 02:32:21,506 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 02:32:21,512 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 02:32:21,512 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-20 02:32:21,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 02:32:21 BoogieIcfgContainer [2022-02-20 02:32:21,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 02:32:21,515 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 02:32:21,515 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 02:32:21,519 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 02:32:21,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 02:32:20" (1/3) ... [2022-02-20 02:32:21,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79e77c2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 02:32:21, skipping insertion in model container [2022-02-20 02:32:21,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:32:21" (2/3) ... [2022-02-20 02:32:21,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79e77c2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 02:32:21, skipping insertion in model container [2022-02-20 02:32:21,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 02:32:21" (3/3) ... [2022-02-20 02:32:21,522 INFO L111 eAbstractionObserver]: Analyzing ICFG circular_buffer_bad.i [2022-02-20 02:32:21,530 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 02:32:21,530 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 02:32:21,530 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-02-20 02:32:21,530 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 02:32:21,580 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,580 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,580 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,580 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,581 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,581 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,581 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,581 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,581 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,581 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,582 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,582 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,582 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,582 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,582 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,583 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,584 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,584 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,584 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,585 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,585 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,585 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,586 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,586 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,587 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,587 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,587 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,587 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,587 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,588 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,588 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,588 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,588 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,588 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,588 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,588 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,588 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,589 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,589 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,589 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,589 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,589 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,589 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,590 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,590 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,590 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,591 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,592 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,594 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,594 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,595 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,595 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,595 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,595 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,596 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,596 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,596 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,597 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,597 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,599 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,599 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,599 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,602 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,603 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,603 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,603 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,603 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,604 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,604 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,604 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,604 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,604 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,604 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,604 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,605 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,605 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,605 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,605 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,605 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,606 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,606 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,606 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,607 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,607 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,608 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,609 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,617 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,617 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,617 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,618 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,618 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,618 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,618 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,618 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,618 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,618 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,619 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,619 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,619 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,619 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,620 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,620 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,620 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,620 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,620 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,621 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,621 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,621 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,621 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,621 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,621 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,621 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,621 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,622 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,622 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,622 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,623 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,623 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,623 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,624 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,624 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,624 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,624 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,624 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,624 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,624 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,624 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,624 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,624 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,625 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,625 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,625 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,625 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,625 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,625 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,625 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,629 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,629 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,629 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,629 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,630 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,630 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,630 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,630 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,630 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,630 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,630 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,633 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,634 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,634 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,635 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,635 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,635 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,635 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,635 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,636 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,636 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,636 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 02:32:21,639 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-20 02:32:21,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-20 02:32:21,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 02:32:21,686 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-20 02:32:21,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-20 02:32:21,710 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 02:32:21,715 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-20 02:32:21,716 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-02-20 02:32:21,872 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1072 transitions and produced 1054 states. [2022-02-20 02:32:21,874 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-20 02:32:21,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 02:32:21,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1564362327, now seen corresponding path program 1 times [2022-02-20 02:32:21,885 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 02:32:21,886 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103712821] [2022-02-20 02:32:21,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 02:32:21,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 02:32:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 02:32:22,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3706 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3706 trivial. 0 not checked. [2022-02-20 02:32:22,276 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 02:32:22,277 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103712821] [2022-02-20 02:32:22,277 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103712821] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 02:32:22,277 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 02:32:22,278 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 02:32:22,279 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573781852] [2022-02-20 02:32:22,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 02:32:22,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 02:32:22,288 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 02:32:22,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 02:32:22,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 02:32:22,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:32:22,308 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 02:32:22,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.0) internal successors, (94), 2 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 02:32:22,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:32:22,378 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1042 transitions and produced 1042 states. [2022-02-20 02:32:22,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:32:22,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 02:32:22,379 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-20 02:32:22,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 02:32:22,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1731314454, now seen corresponding path program 1 times [2022-02-20 02:32:22,381 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 02:32:22,381 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077885604] [2022-02-20 02:32:22,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 02:32:22,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 02:32:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 02:32:22,568 INFO L134 CoverageAnalysis]: Checked inductivity of 3706 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3706 trivial. 0 not checked. [2022-02-20 02:32:22,568 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 02:32:22,568 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077885604] [2022-02-20 02:32:22,568 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077885604] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 02:32:22,568 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 02:32:22,569 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 02:32:22,569 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560956718] [2022-02-20 02:32:22,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 02:32:22,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 02:32:22,570 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 02:32:22,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 02:32:22,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 02:32:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:32:22,571 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 02:32:22,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 02:32:22,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:32:22,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:32:22,641 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1125 transitions and produced 1107 states. [2022-02-20 02:32:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:32:22,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:32:22,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 02:32:22,642 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-20 02:32:22,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 02:32:22,643 INFO L85 PathProgramCache]: Analyzing trace with hash 708397011, now seen corresponding path program 1 times [2022-02-20 02:32:22,643 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 02:32:22,643 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687070933] [2022-02-20 02:32:22,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 02:32:22,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 02:32:22,714 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-20 02:32:22,714 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1193952784] [2022-02-20 02:32:22,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 02:32:22,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 02:32:22,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 02:32:22,716 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 02:32:22,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 02:32:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 02:32:22,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 1084 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-20 02:32:22,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 02:32:23,665 INFO L134 CoverageAnalysis]: Checked inductivity of 3707 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3706 trivial. 0 not checked. [2022-02-20 02:32:23,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 02:32:24,354 INFO L134 CoverageAnalysis]: Checked inductivity of 3707 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3706 trivial. 0 not checked. [2022-02-20 02:32:24,354 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 02:32:24,355 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687070933] [2022-02-20 02:32:24,355 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-02-20 02:32:24,355 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193952784] [2022-02-20 02:32:24,355 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193952784] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 02:32:24,355 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-02-20 02:32:24,356 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-02-20 02:32:24,358 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647318103] [2022-02-20 02:32:24,359 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-02-20 02:32:24,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-20 02:32:24,360 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 02:32:24,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-20 02:32:24,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-02-20 02:32:24,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:32:24,360 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 02:32:24,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.0) internal successors, (144), 8 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 02:32:24,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:32:24,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:32:24,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:32:24,474 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1231 transitions and produced 1213 states. [2022-02-20 02:32:24,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:32:24,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:32:24,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 02:32:24,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-20 02:32:24,687 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 [2022-02-20 02:32:24,688 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-20 02:32:24,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 02:32:24,688 INFO L85 PathProgramCache]: Analyzing trace with hash 21535909, now seen corresponding path program 2 times [2022-02-20 02:32:24,688 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 02:32:24,688 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813818251] [2022-02-20 02:32:24,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 02:32:24,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 02:32:24,733 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-20 02:32:24,733 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [994069461] [2022-02-20 02:32:24,733 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 02:32:24,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 02:32:24,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 02:32:24,735 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 02:32:24,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 02:32:24,961 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 02:32:24,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 02:32:24,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 1196 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-20 02:32:24,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 02:32:25,645 INFO L134 CoverageAnalysis]: Checked inductivity of 3781 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 3706 trivial. 0 not checked. [2022-02-20 02:32:25,645 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 02:32:26,459 INFO L134 CoverageAnalysis]: Checked inductivity of 3781 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 3706 trivial. 0 not checked. [2022-02-20 02:32:26,459 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 02:32:26,459 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813818251] [2022-02-20 02:32:26,459 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-02-20 02:32:26,459 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994069461] [2022-02-20 02:32:26,459 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994069461] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 02:32:26,460 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-02-20 02:32:26,460 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-02-20 02:32:26,460 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328922581] [2022-02-20 02:32:26,460 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-02-20 02:32:26,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-20 02:32:26,461 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 02:32:26,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-20 02:32:26,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2022-02-20 02:32:26,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:32:26,462 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 02:32:26,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 16.0) internal successors, (240), 15 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 02:32:26,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:32:26,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:32:26,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-20 02:32:26,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:32:26,664 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1443 transitions and produced 1425 states. [2022-02-20 02:32:26,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:32:26,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:32:26,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 02:32:26,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 02:32:26,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-20 02:32:26,884 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 [2022-02-20 02:32:26,885 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-20 02:32:26,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 02:32:26,885 INFO L85 PathProgramCache]: Analyzing trace with hash -936885687, now seen corresponding path program 3 times [2022-02-20 02:32:26,886 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 02:32:26,886 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853214863] [2022-02-20 02:32:26,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 02:32:26,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 02:32:26,923 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-20 02:32:26,924 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2044534156] [2022-02-20 02:32:26,924 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-20 02:32:26,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 02:32:26,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 02:32:26,925 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 02:32:26,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 02:32:27,097 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-02-20 02:32:27,097 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 02:32:27,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-20 02:32:27,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 02:32:27,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4217 backedges. 386 proven. 0 refuted. 0 times theorem prover too weak. 3831 trivial. 0 not checked. [2022-02-20 02:32:27,765 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 02:32:27,765 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 02:32:27,765 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853214863] [2022-02-20 02:32:27,766 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-02-20 02:32:27,766 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044534156] [2022-02-20 02:32:27,766 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044534156] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 02:32:27,766 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 02:32:27,766 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 02:32:27,766 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103594047] [2022-02-20 02:32:27,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 02:32:27,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 02:32:27,767 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 02:32:27,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 02:32:27,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 02:32:27,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:32:27,767 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 02:32:27,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 02:32:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:32:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:32:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-20 02:32:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-20 02:32:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:32:27,808 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1022 transitions and produced 788 states. [2022-02-20 02:32:27,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:32:27,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:32:27,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 02:32:27,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 02:32:27,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:32:27,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-20 02:32:28,023 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 [2022-02-20 02:32:28,023 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-20 02:32:28,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 02:32:28,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1944793494, now seen corresponding path program 1 times [2022-02-20 02:32:28,024 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 02:32:28,024 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176051768] [2022-02-20 02:32:28,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 02:32:28,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 02:32:28,046 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-20 02:32:28,047 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1167441638] [2022-02-20 02:32:28,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 02:32:28,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 02:32:28,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 02:32:28,059 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 02:32:28,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-20 02:32:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 02:32:28,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-20 02:32:28,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 02:32:28,545 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 162 proven. 4 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2022-02-20 02:32:28,545 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 02:32:28,853 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2022-02-20 02:32:28,854 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 02:32:28,854 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176051768] [2022-02-20 02:32:28,854 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-02-20 02:32:28,854 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167441638] [2022-02-20 02:32:28,854 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1167441638] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-20 02:32:28,854 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-20 02:32:28,854 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-02-20 02:32:28,854 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743519961] [2022-02-20 02:32:28,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 02:32:28,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 02:32:28,855 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 02:32:28,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 02:32:28,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-20 02:32:28,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:32:28,855 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 02:32:28,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 02:32:28,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:32:28,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:32:28,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-20 02:32:28,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-20 02:32:28,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:32:28,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:32:28,905 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 818 transitions and produced 584 states. [2022-02-20 02:32:28,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:32:28,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:32:28,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 02:32:28,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 02:32:28,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:32:28,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:32:28,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-20 02:32:29,119 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 [2022-02-20 02:32:29,119 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-20 02:32:29,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 02:32:29,120 INFO L85 PathProgramCache]: Analyzing trace with hash 794004988, now seen corresponding path program 1 times [2022-02-20 02:32:29,120 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 02:32:29,120 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332276284] [2022-02-20 02:32:29,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 02:32:29,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 02:32:29,136 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-20 02:32:29,136 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [458582513] [2022-02-20 02:32:29,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 02:32:29,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 02:32:29,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 02:32:29,138 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 02:32:29,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-20 02:32:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 02:32:29,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 35 conjunts are in the unsatisfiable core [2022-02-20 02:32:29,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 02:32:29,322 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 [2022-02-20 02:32:29,487 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-20 02:32:29,488 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-02-20 02:32:29,514 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 02:32:29,514 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-20 02:32:29,638 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 [2022-02-20 02:32:29,695 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 [2022-02-20 02:32:29,835 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 [2022-02-20 02:32:30,179 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 [2022-02-20 02:32:30,313 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-02-20 02:32:30,313 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 02:32:35,144 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (<= (mod |c_t1Thread1of1ForFork0_insertLogElement_~b#1| 256) 127))) (and (or (and (forall ((aux_mod_~next~0_24 Int)) (or (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (= (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))) 0))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 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) (- 4294967296))) 0) (<= aux_mod_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40)))) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0))) (forall ((aux_mod_~next~0_24 Int)) (or (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (<= aux_mod_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40) (= 0 (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)))))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (= (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))) 0)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24)))) .cse0) (or (and (forall ((aux_mod_~next~0_24 Int)) (or (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (= 0 (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_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (= (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))) 0)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24))) (forall ((aux_mod_~next~0_24 Int)) (or (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (= (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))) 0))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 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_insertLogElement_~b#1| 256)) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (<= aux_mod_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40)))) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0)))) (not .cse0)))) is different from false [2022-02-20 02:32:38,148 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (<= (mod |c_t1Thread1of1ForFork0_insertLogElement_#in~b#1| 256) 127))) (and (or (and (forall ((aux_mod_~next~0_24 Int)) (or (< 2147483647 aux_mod_~next~0_24) (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 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_insertLogElement_#in~b#1| 256)) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (<= aux_mod_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (= (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))) 0)))) (< aux_mod_~next~0_24 0))) (forall ((aux_mod_~next~0_24 Int)) (or (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (= 0 (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_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (= (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))) 0)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24)))) (not .cse0)) (or (and (forall ((aux_mod_~next~0_24 Int)) (or (<= aux_mod_~next~0_24 2147483647) (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (<= aux_mod_~first~0_40 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))) 0) (<= 4294967296 aux_mod_~first~0_40))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (= (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))) 0)))) (<= 4294967296 aux_mod_~next~0_24))) (forall ((aux_mod_~next~0_24 Int)) (or (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0) (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (= (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))) 0))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 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))) 0) (<= aux_mod_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40))))))) .cse0))) is different from false [2022-02-20 02:32:41,505 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (<= (mod |c_t1Thread1of1ForFork0_~i~0#1| 256) 127))) (and (or (and (forall ((aux_mod_~next~0_24 Int)) (or (<= aux_mod_~next~0_24 2147483647) (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 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_~i~0#1| 256) (- 256))) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (<= aux_mod_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (= (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))) 0)))) (<= 4294967296 aux_mod_~next~0_24))) (forall ((aux_mod_~next~0_24 Int)) (or (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (<= aux_mod_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40) (= (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))) 0))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (= (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))) 0)))) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0)))) .cse0) (or (not .cse0) (and (forall ((aux_mod_~next~0_24 Int)) (or (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (<= aux_mod_~first~0_40 2147483647) (= (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))) 0) (<= 4294967296 aux_mod_~first~0_40))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (= (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))) 0)))) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0))) (forall ((aux_mod_~next~0_24 Int)) (or (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (= (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))) 0))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (<= aux_mod_~first~0_40 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_~i~0#1| 256)) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (<= 4294967296 aux_mod_~first~0_40)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24))))))) is different from false [2022-02-20 02:32:46,225 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((aux_mod_~next~0_24 Int)) (or (< 2147483647 aux_mod_~next~0_24) (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (<= aux_mod_~first~0_40 2147483647) (= (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) (<= 4294967296 aux_mod_~first~0_40))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (= (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)))) (< aux_mod_~next~0_24 0))) (forall ((aux_mod_~next~0_24 Int)) (or (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (= (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))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 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_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24)))) is different from false [2022-02-20 02:32:46,890 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((aux_mod_~next~0_24 Int)) (or (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0) (and (forall ((v_ArrVal_1228 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (= (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))) (forall ((v_ArrVal_1228 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~first~0_40 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) (<= aux_mod_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40)))))) (forall ((aux_mod_~next~0_24 Int)) (or (and (forall ((v_ArrVal_1228 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (= (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))) (forall ((v_ArrVal_1228 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~first~0_40 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_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24)))) is different from false [2022-02-20 02:32:48,368 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((aux_mod_~next~0_24 Int)) (or (and (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~first~0_40 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_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40))) (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (= 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 ((aux_mod_~next~0_24 Int)) (or (and (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 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)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) 0) (< 2147483647 aux_mod_~first~0_40))) (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (<= aux_mod_~first~0_40 2147483647) (= (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) (<= 4294967296 aux_mod_~first~0_40)))) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0)))) is different from false [2022-02-20 02:40:05,276 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 808 treesize of output 794 [2022-02-20 02:40:05,295 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 820 treesize of output 792 [2022-02-20 02:40:05,317 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 720 treesize of output 708 [2022-02-20 02:40:05,331 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 712 treesize of output 700 [2022-02-20 02:40:05,346 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 722 treesize of output 698 [2022-02-20 02:40:05,362 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 632 treesize of output 618 [2022-02-20 02:40:05,377 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 660 treesize of output 632 [2022-02-20 02:40:05,394 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 566 treesize of output 560 [2022-02-20 02:40:09,587 INFO L353 Elim1Store]: treesize reduction 14, result has 44.0 percent of original size [2022-02-20 02:40:09,587 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 [2022-02-20 02:40:09,608 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 25 not checked. [2022-02-20 02:40:09,608 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 02:40:09,608 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332276284] [2022-02-20 02:40:09,608 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-02-20 02:40:09,609 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458582513] [2022-02-20 02:40:09,609 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [458582513] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 02:40:09,609 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-02-20 02:40:09,609 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18] total 32 [2022-02-20 02:40:09,609 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130749396] [2022-02-20 02:40:09,609 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-02-20 02:40:09,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-20 02:40:09,610 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 02:40:09,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-20 02:40:09,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=548, Unknown=10, NotChecked=318, Total=992 [2022-02-20 02:40:09,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:40:09,611 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 02:40:09,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 7.25) internal successors, (232), 32 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 02:40:09,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:40:09,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:40:09,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-20 02:40:09,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-20 02:40:09,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:40:09,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:40:09,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:40:11,694 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((aux_mod_~next~0_24 Int)) (or (and (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~first~0_40 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_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40))) (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (= 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))) (not (= |c_ULTIMATE.start_main_~#id2~0#1.base| 3)) (= ((as const (Array Int Int)) 0) (select |c_#memory_int| |c_~#buffer~0.base|)) (forall ((aux_mod_~next~0_24 Int)) (or (and (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 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)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) 0) (< 2147483647 aux_mod_~first~0_40))) (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (<= aux_mod_~first~0_40 2147483647) (= (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) (<= 4294967296 aux_mod_~first~0_40)))) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0))) (= c_~send~0 0) (= 3 |c_~#buffer~0.base|) (not (= 3 |c_ULTIMATE.start_main_~#id1~0#1.base|))) is different from false [2022-02-20 02:40:13,700 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((aux_mod_~next~0_24 Int)) (or (and (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~first~0_40 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_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40))) (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (= 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))) (not (= |c_ULTIMATE.start_main_~#id2~0#1.base| 3)) (= ((as const (Array Int Int)) 0) (select |c_#memory_int| |c_~#buffer~0.base|)) (forall ((aux_mod_~next~0_24 Int)) (or (and (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 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)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) 0) (< 2147483647 aux_mod_~first~0_40))) (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (<= aux_mod_~first~0_40 2147483647) (= (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) (<= 4294967296 aux_mod_~first~0_40)))) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0))) (= 3 |c_~#buffer~0.base|) (not (= 3 |c_ULTIMATE.start_main_~#id1~0#1.base|))) is different from false [2022-02-20 02:40:15,708 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#id2~0#1.base| 3)) (forall ((aux_mod_~next~0_24 Int)) (or (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0) (and (forall ((v_ArrVal_1228 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (= (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))) (forall ((v_ArrVal_1228 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~first~0_40 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) (<= aux_mod_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40)))))) (forall ((aux_mod_~next~0_24 Int)) (or (and (forall ((v_ArrVal_1228 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (= (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))) (forall ((v_ArrVal_1228 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~first~0_40 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_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24))) (= ((as const (Array Int Int)) 0) (select |c_#memory_int| |c_~#buffer~0.base|)) (= 3 |c_~#buffer~0.base|)) is different from false [2022-02-20 02:40:35,913 WARN L228 SmtUtils]: Spent 20.02s on a formula simplification. DAG size of input: 94 DAG size of output: 15 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-20 02:40:36,043 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 882 transitions and produced 615 states. [2022-02-20 02:40:36,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:40:36,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:40:36,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 02:40:36,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 02:40:36,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:40:36,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:40:36,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-20 02:40:36,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-20 02:40:36,245 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 [2022-02-20 02:40:36,245 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-20 02:40:36,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 02:40:36,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1241837356, now seen corresponding path program 1 times [2022-02-20 02:40:36,246 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 02:40:36,246 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938290114] [2022-02-20 02:40:36,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 02:40:36,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 02:40:36,271 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-20 02:40:36,271 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1608017089] [2022-02-20 02:40:36,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 02:40:36,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 02:40:36,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 02:40:36,272 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 02:40:36,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-20 02:40:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 02:40:36,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 14 conjunts are in the unsatisfiable core [2022-02-20 02:40:36,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 02:40:48,396 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-02-20 02:40:48,397 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 02:40:50,364 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-02-20 02:40:50,365 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 02:40:50,365 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938290114] [2022-02-20 02:40:50,365 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-02-20 02:40:50,365 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608017089] [2022-02-20 02:40:50,365 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608017089] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 02:40:50,365 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-02-20 02:40:50,365 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2022-02-20 02:40:50,365 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277653627] [2022-02-20 02:40:50,365 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-02-20 02:40:50,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-20 02:40:50,366 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 02:40:50,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-20 02:40:50,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2022-02-20 02:40:50,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:40:50,366 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 02:40:50,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.733333333333333) internal successors, (176), 15 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 02:40:50,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:40:50,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:40:50,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-20 02:40:50,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-20 02:40:50,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:40:50,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:40:50,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-20 02:40:50,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:40:53,059 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 [] [2022-02-20 02:41:23,768 WARN L228 SmtUtils]: Spent 17.34s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-20 02:41:25,770 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:41:27,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:41:30,120 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:41:32,296 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-02-20 02:41:34,429 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-02-20 02:41:36,599 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-02-20 02:41:38,771 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-02-20 02:41:40,944 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-02-20 02:41:43,124 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:41:45,302 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:41:47,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:41:49,661 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:41:51,837 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:41:54,009 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:41:56,195 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:41:58,375 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:42:00,554 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-02-20 02:42:02,731 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:42:04,910 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:42:07,089 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:42:09,277 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:42:11,458 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-02-20 02:42:13,664 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:42:15,848 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:42:15,848 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1004 transitions and produced 694 states. [2022-02-20 02:42:15,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:42:15,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:42:15,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 02:42:15,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 02:42:15,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:42:15,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:42:15,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-20 02:42:16,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-20 02:42:16,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-20 02:42:16,226 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 [2022-02-20 02:42:16,227 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-20 02:42:16,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 02:42:16,227 INFO L85 PathProgramCache]: Analyzing trace with hash -411018747, now seen corresponding path program 1 times [2022-02-20 02:42:16,227 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 02:42:16,227 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026645181] [2022-02-20 02:42:16,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 02:42:16,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 02:42:16,248 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-20 02:42:16,248 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1037069317] [2022-02-20 02:42:16,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 02:42:16,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 02:42:16,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 02:42:16,250 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 02:42:16,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-20 02:42:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 02:42:16,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 2 conjunts are in the unsatisfiable core [2022-02-20 02:42:16,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 02:42:16,579 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2022-02-20 02:42:16,579 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 02:42:16,579 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 02:42:16,579 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026645181] [2022-02-20 02:42:16,579 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-02-20 02:42:16,579 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037069317] [2022-02-20 02:42:16,579 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037069317] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 02:42:16,580 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 02:42:16,580 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 02:42:16,580 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277537805] [2022-02-20 02:42:16,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 02:42:16,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 02:42:16,580 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 02:42:16,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 02:42:16,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 02:42:16,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:42:16,581 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 02:42:16,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 02:42:16,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:42:16,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:42:16,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-20 02:42:16,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-20 02:42:16,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:42:16,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:42:16,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-20 02:42:16,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-20 02:42:16,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:42:18,986 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:42:21,928 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:42:24,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:42:26,290 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:42:28,471 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:42:30,646 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:42:32,826 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:42:35,003 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:42:37,191 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:42:39,332 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-02-20 02:42:41,469 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:42:43,614 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:42:45,936 WARN L838 $PredicateComparison]: unable to prove that (and (let ((.cse0 (mod c_~buffer_size~0 4294967296))) (or (and (< (mod c_~first~0 4294967296) .cse0) (< 0 (mod (mod (mod (+ c_~next~0 1) 4294967296) .cse0) 4294967296))) (not (< (mod c_~next~0 4294967296) .cse0)))) (= |c_ULTIMATE.start_initLog_~max#1| 10) (= c_~buffer_size~0 10) (= |c_ULTIMATE.start_initLog_#in~max#1| 10)) is different from false [2022-02-20 02:42:47,944 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:42:50,082 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:42:52,216 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:42:54,349 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:42:56,471 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:42:58,596 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:43:00,728 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:43:02,868 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:43:05,008 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:43:07,132 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:43:09,269 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-02-20 02:43:11,400 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:43:13,536 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:43:15,669 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:43:17,817 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:43:20,075 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-02-20 02:43:22,206 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-02-20 02:43:24,338 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:43:26,471 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:43:28,597 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:43:30,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:43:32,848 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:43:34,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-20 02:43:37,093 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-02-20 02:43:39,232 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-02-20 02:43:41,368 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 [] [2022-02-20 02:43:41,368 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 32988 transitions and produced 16283 states. [2022-02-20 02:43:41,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:43:41,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:43:41,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 02:43:41,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 02:43:41,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:43:41,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:43:41,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-20 02:43:41,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-20 02:43:41,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:43:41,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-20 02:43:41,690 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 [2022-02-20 02:43:41,690 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-20 02:43:41,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 02:43:41,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1663362572, now seen corresponding path program 1 times [2022-02-20 02:43:41,691 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 02:43:41,691 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735666075] [2022-02-20 02:43:41,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 02:43:41,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 02:43:41,714 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-20 02:43:41,714 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1656831856] [2022-02-20 02:43:41,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 02:43:41,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 02:43:41,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 02:43:41,716 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) [2022-02-20 02:43:41,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-20 02:43:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 02:43:41,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-20 02:43:41,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 02:43:42,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 818 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2022-02-20 02:43:42,348 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 02:43:42,348 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 02:43:42,348 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735666075] [2022-02-20 02:43:42,348 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-02-20 02:43:42,348 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656831856] [2022-02-20 02:43:42,348 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1656831856] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 02:43:42,348 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 02:43:42,348 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-20 02:43:42,349 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976736545] [2022-02-20 02:43:42,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 02:43:42,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-20 02:43:42,349 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 02:43:42,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-20 02:43:42,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2022-02-20 02:43:42,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:43:42,350 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 02:43:42,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 11.294117647058824) internal successors, (192), 17 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 02:43:42,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:43:42,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:43:42,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-20 02:43:42,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-20 02:43:42,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:43:42,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:43:42,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-20 02:43:42,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-20 02:43:42,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:43:42,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:43:46,917 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 155347 transitions and produced 60789 states. [2022-02-20 02:43:46,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:43:46,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:43:46,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 02:43:46,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 02:43:46,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:43:46,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:43:46,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-20 02:43:46,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-20 02:43:46,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:43:46,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-20 02:43:46,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-02-20 02:43:47,136 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 [2022-02-20 02:43:47,137 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-20 02:43:47,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 02:43:47,137 INFO L85 PathProgramCache]: Analyzing trace with hash -620789740, now seen corresponding path program 2 times [2022-02-20 02:43:47,137 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 02:43:47,137 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834260389] [2022-02-20 02:43:47,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 02:43:47,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 02:43:47,158 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-20 02:43:47,158 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [568903402] [2022-02-20 02:43:47,159 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 02:43:47,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 02:43:47,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 02:43:47,160 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) [2022-02-20 02:43:47,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-20 02:43:47,328 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 02:43:47,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 02:43:47,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-20 02:43:47,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 02:43:47,527 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 02:43:47,634 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-02-20 02:43:47,634 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 02:43:47,634 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 02:43:47,634 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834260389] [2022-02-20 02:43:47,635 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-02-20 02:43:47,635 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568903402] [2022-02-20 02:43:47,635 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [568903402] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 02:43:47,635 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 02:43:47,635 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 02:43:47,635 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4755995] [2022-02-20 02:43:47,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 02:43:47,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 02:43:47,635 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 02:43:47,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 02:43:47,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 02:43:47,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:43:47,636 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 02:43:47,636 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) [2022-02-20 02:43:47,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:43:47,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:43:47,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-20 02:43:47,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-20 02:43:47,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:43:47,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:43:47,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-20 02:43:47,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-20 02:43:47,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:43:47,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-02-20 02:43:47,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:43:47,712 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1127 transitions and produced 750 states. [2022-02-20 02:43:47,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 02:43:47,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:43:47,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 02:43:47,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 02:43:47,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:43:47,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:43:47,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-20 02:43:47,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-20 02:43:47,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:43:47,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-20 02:43:47,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 02:43:47,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-20 02:43:47,914 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 [2022-02-20 02:43:47,914 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-20 02:43:47,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 02:43:47,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1627198656, now seen corresponding path program 3 times [2022-02-20 02:43:47,914 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 02:43:47,915 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924913726] [2022-02-20 02:43:47,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 02:43:47,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 02:43:47,932 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-20 02:43:47,933 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1534023123] [2022-02-20 02:43:47,933 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-20 02:43:47,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 02:43:47,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 02:43:47,934 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) [2022-02-20 02:43:47,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-20 02:43:48,703 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-02-20 02:43:48,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-02-20 02:43:48,704 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-20 02:43:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 02:43:48,979 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-20 02:43:48,979 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-20 02:43:48,980 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-02-20 02:43:48,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 6 remaining) [2022-02-20 02:43:48,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 6 remaining) [2022-02-20 02:43:48,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2022-02-20 02:43:48,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2022-02-20 02:43:48,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-02-20 02:43:49,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-20 02:43:49,202 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 [2022-02-20 02:43:49,206 INFO L732 BasicCegarLoop]: Path program histogram: [3, 3, 1, 1, 1, 1, 1, 1] [2022-02-20 02:43:49,210 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-20 02:43:49,210 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 02:43:49,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 02:43:49 BasicIcfg [2022-02-20 02:43:49,309 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 02:43:49,309 INFO L158 Benchmark]: Toolchain (without parser) took 688647.17ms. Allocated memory was 188.7MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 136.0MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 579.5MB. Max. memory is 8.0GB. [2022-02-20 02:43:49,309 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 188.7MB. Free memory is still 154.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-20 02:43:49,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.68ms. Allocated memory is still 188.7MB. Free memory was 135.7MB in the beginning and 154.9MB in the end (delta: -19.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-20 02:43:49,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.49ms. Allocated memory is still 188.7MB. Free memory was 154.9MB in the beginning and 152.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-20 02:43:49,310 INFO L158 Benchmark]: Boogie Preprocessor took 32.44ms. Allocated memory is still 188.7MB. Free memory was 152.3MB in the beginning and 150.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-20 02:43:49,310 INFO L158 Benchmark]: RCFGBuilder took 377.18ms. Allocated memory is still 188.7MB. Free memory was 150.7MB in the beginning and 134.5MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-02-20 02:43:49,310 INFO L158 Benchmark]: TraceAbstraction took 687794.23ms. Allocated memory was 188.7MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 133.9MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 578.8MB. Max. memory is 8.0GB. [2022-02-20 02:43:49,311 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 188.7MB. Free memory is still 154.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 396.68ms. Allocated memory is still 188.7MB. Free memory was 135.7MB in the beginning and 154.9MB in the end (delta: -19.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.49ms. Allocated memory is still 188.7MB. Free memory was 154.9MB in the beginning and 152.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.44ms. Allocated memory is still 188.7MB. Free memory was 152.3MB in the beginning and 150.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 377.18ms. Allocated memory is still 188.7MB. Free memory was 150.7MB in the beginning and 134.5MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 687794.23ms. Allocated memory was 188.7MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 133.9MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 578.8MB. 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 - CounterExampleResult [Line: 746]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 static char buffer[10]; VAL [buffer={3:0}] [L683] 0 static unsigned int first; VAL [buffer={3:0}, first=0] [L684] 0 static unsigned int next; VAL [buffer={3:0}, first=0, next=0] [L685] 0 static int buffer_size; VAL [buffer={3:0}, buffer_size=0, first=0, next=0] [L686] 0 _Bool send, receive; VAL [buffer={3:0}, buffer_size=0, first=0, next=0, receive=0, send=0] [L687] 0 pthread_mutex_t m; VAL [buffer={3:0}, buffer_size=0, first=0, m={4:0}, next=0, receive=0, send=0] [L756] 0 pthread_t id1, id2; VAL [buffer={3:0}, buffer_size=0, first=0, id1={5:0}, id2={6:0}, m={4:0}, next=0, receive=0, send=0] [L758] CALL 0 initLog(10) [L690] 0 buffer_size = max VAL [\old(max)=10, buffer={3:0}, buffer_size=10, first=0, m={4:0}, max=10, next=0, receive=0, send=0] [L691] EXPR 0 next = 0 VAL [\old(max)=10, buffer={3:0}, buffer_size=10, first=0, m={4:0}, max=10, next=0, receive=0, send=0] [L691] 0 first = next = 0 VAL [\old(max)=10, buffer={3:0}, buffer_size=10, first=0, m={4:0}, max=10, next=0, receive=0, send=0] [L758] RET 0 initLog(10) [L759] 0 send=1 VAL [buffer={3:0}, buffer_size=10, first=0, id1={5:0}, id2={6:0}, m={4:0}, next=0, receive=0, send=1] [L760] 0 receive=0 VAL [buffer={3:0}, buffer_size=10, first=0, id1={5:0}, id2={6:0}, m={4:0}, next=0, receive=0, send=1] [L761] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [buffer={3:0}, buffer_size=10, first=0, id1={5:0}, id2={6:0}, m={4:0}, next=0, pthread_create(&id1, ((void *)0), t1, ((void *)0))=-2, receive=0, send=1] [L723] 1 int i; VAL [arg={0:0}, arg={0:0}, buffer={3:0}, buffer_size=10, first=0, m={4:0}, next=0, receive=0, send=1] [L724] 1 i=0 VAL [arg={0:0}, arg={0:0}, buffer={3:0}, buffer_size=10, first=0, i=0, m={4:0}, next=0, receive=0, send=1] [L724] COND TRUE 1 i<7 VAL [arg={0:0}, arg={0:0}, buffer={3:0}, buffer_size=10, first=0, i=0, m={4:0}, next=0, receive=0, send=1] [L727] COND TRUE 1 \read(send) VAL [arg={0:0}, arg={0:0}, buffer={3:0}, buffer_size=10, first=0, i=0, m={4:0}, next=0, receive=0, send=1] [L729] CALL 1 insertLogElement(i) [L707] COND TRUE 1 next < buffer_size && buffer_size > 0 VAL [\old(b)=0, b=0, buffer={3:0}, buffer_size=10, first=0, m={4:0}, next=0, receive=0, send=1] [L709] 1 buffer[next] = b VAL [\old(b)=0, b=0, buffer={3:0}, buffer_size=10, first=0, m={4:0}, next=0, receive=0, send=1] [L710] 1 next = (next+1)%buffer_size VAL [\old(b)=0, b=0, buffer={3:0}, buffer_size=10, first=0, m={4:0}, next=1, receive=0, send=1] [L712] COND TRUE 1 next 0 && first < buffer_size VAL [buffer={3:0}, buffer_size=10, first=0, m={4:0}, next=1, receive=1, send=0] [L697] 2 first++ VAL [buffer={3:0}, buffer_size=10, first=1, m={4:0}, next=1, receive=1, send=0] [L698] EXPR 2 buffer[first-1] VAL [buffer={3:0}, buffer[first-1]=0, buffer_size=10, first=1, m={4:0}, next=1, receive=1, send=0] [L698] 2 return buffer[first-1]; VAL [\result=0, buffer={3:0}, buffer[first-1]=0, buffer_size=10, first=1, m={4:0}, next=1, receive=1, send=0] [L745] RET, EXPR 2 removeLogElement() [L745] COND TRUE 2 removeLogElement()==i VAL [arg={0:0}, arg={0:0}, buffer={3:0}, buffer_size=10, first=1, i=0, m={4:0}, next=1, receive=1, removeLogElement()=0, send=0] [L747] 2 receive=0 VAL [arg={0:0}, arg={0:0}, buffer={3:0}, buffer_size=10, first=1, i=0, m={4:0}, next=1, receive=0, send=0] [L748] 2 send=1 VAL [arg={0:0}, arg={0:0}, buffer={3:0}, buffer_size=10, first=1, i=0, m={4:0}, next=1, receive=0, send=1] [L727] COND TRUE 1 \read(send) VAL [arg={0:0}, arg={0:0}, buffer={3:0}, buffer_size=10, first=1, i=6, m={4:0}, next=1, receive=0, send=1] [L729] CALL 1 insertLogElement(i) [L707] COND TRUE 1 next < buffer_size && buffer_size > 0 VAL [\old(b)=6, b=6, buffer={3:0}, buffer_size=10, first=1, m={4:0}, next=1, receive=0, send=1] [L709] 1 buffer[next] = b VAL [\old(b)=6, b=6, buffer={3:0}, buffer_size=10, first=1, m={4:0}, next=1, receive=0, send=1] [L710] 1 next = (next+1)%buffer_size VAL [\old(b)=6, b=6, buffer={3:0}, buffer_size=10, first=1, m={4:0}, next=2, receive=0, send=1] [L712] COND TRUE 1 next 0 && first < buffer_size VAL [buffer={3:0}, buffer_size=10, first=1, m={4:0}, next=2, receive=1, send=0] [L697] 2 first++ VAL [buffer={3:0}, buffer_size=10, first=2, m={4:0}, next=2, receive=1, send=0] [L698] EXPR 2 buffer[first-1] VAL [buffer={3:0}, buffer[first-1]=6, buffer_size=10, first=2, m={4:0}, next=2, receive=1, send=0] [L698] 2 return buffer[first-1]; VAL [\result=6, buffer={3:0}, buffer[first-1]=6, buffer_size=10, first=2, m={4:0}, next=2, receive=1, send=0] [L745] RET, EXPR 2 removeLogElement() [L745] COND FALSE 2 !(removeLogElement()==i) VAL [arg={0:0}, arg={0:0}, buffer={3:0}, buffer_size=10, first=2, i=1, m={4:0}, next=2, receive=1, removeLogElement()=6, send=0] [L746] 2 reach_error() VAL [arg={0:0}, arg={0:0}, buffer={3:0}, buffer_size=10, first=2, i=1, m={4:0}, next=2, receive=1, send=0] - UnprovableResult [Line: 761]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 762]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 713]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 213 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 687.5s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 202.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 102, 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: 0.3s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 479.4s InterpolantComputationTime, 4235 NumberOfCodeBlocks, 3691 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 5703 ConstructedInterpolants, 145 QuantifiedInterpolants, 24859 SizeOfPredicates, 53 NumberOfNonLiveVariables, 5695 ConjunctsInSsa, 97 ConjunctsInUnsatCore, 16 InterpolantComputations, 7 PerfectInterpolantSequences, 29690/29991 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 proved your program to be incorrect! [2022-02-20 02:43:49,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-20 02:43:49,719 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-02-20 02:43:49,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...