/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 02:59:16,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 02:59:16,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 02:59:16,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-02 02:59:16,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-02 02:59:16,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-02 02:59:16,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-02 02:59:16,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-02 02:59:16,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-02 02:59:16,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-02 02:59:16,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-02 02:59:16,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-02 02:59:16,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 02:59:16,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 02:59:16,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 02:59:16,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 02:59:16,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 02:59:16,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 02:59:16,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 02:59:16,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 02:59:16,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 02:59:16,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 02:59:16,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 02:59:16,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 02:59:16,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-02 02:59:16,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 02:59:16,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 02:59:16,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 02:59:16,303 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-02 02:59:16,332 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 02:59:16,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 02:59:16,333 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 02:59:16,333 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 02:59:16,333 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 02:59:16,334 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 02:59:16,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 02:59:16,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 02:59:16,334 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 02:59:16,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 02:59:16,335 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 02:59:16,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 02:59:16,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 02:59:16,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 02:59:16,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 02:59:16,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 02:59:16,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 02:59:16,335 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 02:59:16,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 02:59:16,336 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 02:59:16,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 02:59:16,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 02:59:16,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 02:59:16,336 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 02:59:16,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 02:59:16,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 02:59:16,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 02:59:16,336 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 02:59:16,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 02:59:16,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 02:59:16,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 02:59:16,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 02:59:16,337 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 02:59:16,337 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 02:59:16,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 02:59:16,337 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-02 02:59:16,337 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-02 02:59:16,337 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 02:59:16,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 02:59:16,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 02:59:16,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 02:59:16,554 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-02 02:59:16,555 INFO L275 PluginConnector]: CDTParser initialized [2022-03-02 02:59:16,556 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i [2022-03-02 02:59:16,609 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e38d9edb/a8577506fc174c4eb887eef90a67eaff/FLAG44d16451f [2022-03-02 02:59:17,018 INFO L306 CDTParser]: Found 1 translation units. [2022-03-02 02:59:17,018 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i [2022-03-02 02:59:17,034 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e38d9edb/a8577506fc174c4eb887eef90a67eaff/FLAG44d16451f [2022-03-02 02:59:17,047 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e38d9edb/a8577506fc174c4eb887eef90a67eaff [2022-03-02 02:59:17,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 02:59:17,051 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-02 02:59:17,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-02 02:59:17,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-02 02:59:17,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-02 02:59:17,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.03 02:59:17" (1/1) ... [2022-03-02 02:59:17,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ee42824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 02:59:17, skipping insertion in model container [2022-03-02 02:59:17,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.03 02:59:17" (1/1) ... [2022-03-02 02:59:17,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-02 02:59:17,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-02 02:59:17,359 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30451,30464] [2022-03-02 02:59:17,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30681,30694] [2022-03-02 02:59:17,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30979,30992] [2022-03-02 02:59:17,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-02 02:59:17,380 INFO L203 MainTranslator]: Completed pre-run [2022-03-02 02:59:17,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30451,30464] [2022-03-02 02:59:17,426 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30681,30694] [2022-03-02 02:59:17,427 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30979,30992] [2022-03-02 02:59:17,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-02 02:59:17,462 INFO L208 MainTranslator]: Completed translation [2022-03-02 02:59:17,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 02:59:17 WrapperNode [2022-03-02 02:59:17,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-02 02:59:17,464 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 02:59:17,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 02:59:17,464 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 02:59:17,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 02:59:17" (1/1) ... [2022-03-02 02:59:17,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 02:59:17" (1/1) ... [2022-03-02 02:59:17,500 INFO L137 Inliner]: procedures = 168, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 142 [2022-03-02 02:59:17,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 02:59:17,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 02:59:17,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 02:59:17,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 02:59:17,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 02:59:17" (1/1) ... [2022-03-02 02:59:17,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 02:59:17" (1/1) ... [2022-03-02 02:59:17,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 02:59:17" (1/1) ... [2022-03-02 02:59:17,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 02:59:17" (1/1) ... [2022-03-02 02:59:17,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 02:59:17" (1/1) ... [2022-03-02 02:59:17,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 02:59:17" (1/1) ... [2022-03-02 02:59:17,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 02:59:17" (1/1) ... [2022-03-02 02:59:17,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 02:59:17,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 02:59:17,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 02:59:17,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 02:59:17,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 02:59:17" (1/1) ... [2022-03-02 02:59:17,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 02:59:17,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 02:59:17,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-02 02:59:17,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-02 02:59:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-02 02:59:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-03-02 02:59:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-03-02 02:59:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-03-02 02:59:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-03-02 02:59:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-02 02:59:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-02 02:59:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-02 02:59:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-02 02:59:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-02 02:59:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-03-02 02:59:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-02 02:59:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 02:59:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 02:59:17,609 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 02:59:17,737 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 02:59:17,738 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 02:59:17,894 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 02:59:17,900 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 02:59:17,901 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-03-02 02:59:17,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 02:59:17 BoogieIcfgContainer [2022-03-02 02:59:17,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 02:59:17,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 02:59:17,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 02:59:17,906 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 02:59:17,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.03 02:59:17" (1/3) ... [2022-03-02 02:59:17,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f68fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 02:59:17, skipping insertion in model container [2022-03-02 02:59:17,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 02:59:17" (2/3) ... [2022-03-02 02:59:17,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f68fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 02:59:17, skipping insertion in model container [2022-03-02 02:59:17,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 02:59:17" (3/3) ... [2022-03-02 02:59:17,908 INFO L111 eAbstractionObserver]: Analyzing ICFG circular_buffer_ok.i [2022-03-02 02:59:17,911 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 02:59:17,911 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 02:59:17,911 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-03-02 02:59:17,912 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 02:59:17,948 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,948 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,948 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,948 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,948 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,948 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,949 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,949 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,949 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,949 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,949 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,949 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,949 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,950 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,950 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,950 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,950 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,950 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,950 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,950 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,951 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,951 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,951 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,951 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,952 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,952 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,952 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,952 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,952 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,952 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,952 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,952 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,952 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,953 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,953 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,953 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,953 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,953 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,953 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,953 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,953 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,953 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,954 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,954 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,954 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,954 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,955 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,955 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,956 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,956 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,956 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,956 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,956 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,956 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,957 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,957 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,957 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,957 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,957 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,958 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,958 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,958 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,958 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,958 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,959 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,959 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,959 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,959 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,959 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,959 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,959 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,959 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,959 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,960 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,960 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,960 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,961 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,961 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,961 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,961 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,961 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,961 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,961 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,961 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,961 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,962 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,962 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,962 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,962 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,962 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,962 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,963 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,963 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,963 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,963 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,963 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,963 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,963 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,964 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,964 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,964 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,964 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,964 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,964 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,964 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,965 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,965 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,965 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,965 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,965 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,965 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,965 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,966 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,966 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,966 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,966 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,967 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,967 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,967 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,967 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,967 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,967 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,968 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,968 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,968 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,968 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,968 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,968 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,969 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,969 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,969 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,969 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,969 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,969 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,970 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,970 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,970 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,970 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,970 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,970 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,970 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,970 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,971 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,971 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,973 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,973 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,973 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,974 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,974 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,974 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,974 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,974 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,974 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,974 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,974 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,976 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,976 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,976 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,976 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,977 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,977 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,977 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,977 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,977 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,977 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,977 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:59:17,981 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-02 02:59:18,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 02:59:18,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 02:59:18,025 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-02 02:59:18,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-02 02:59:18,052 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 02:59:18,058 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-02 02:59:18,059 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-03-02 02:59:18,164 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1073 transitions and produced 1055 states. [2022-03-02 02:59:18,166 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-03-02 02:59:18,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 02:59:18,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1455202728, now seen corresponding path program 1 times [2022-03-02 02:59:18,176 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 02:59:18,177 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199116278] [2022-03-02 02:59:18,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 02:59:18,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 02:59:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 02:59:18,574 INFO L134 CoverageAnalysis]: Checked inductivity of 3706 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3706 trivial. 0 not checked. [2022-03-02 02:59:18,574 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 02:59:18,575 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199116278] [2022-03-02 02:59:18,575 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199116278] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 02:59:18,576 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 02:59:18,576 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-02 02:59:18,577 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784533628] [2022-03-02 02:59:18,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 02:59:18,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-02 02:59:18,585 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 02:59:18,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-02 02:59:18,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-02 02:59:18,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:59:18,604 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 02:59:18,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.5) internal successors, (95), 2 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 02:59:18,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:59:18,650 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1043 transitions and produced 1043 states. [2022-03-02 02:59:18,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:59:18,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-02 02:59:18,651 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-03-02 02:59:18,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 02:59:18,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1622154855, now seen corresponding path program 1 times [2022-03-02 02:59:18,654 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 02:59:18,654 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392035972] [2022-03-02 02:59:18,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 02:59:18,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 02:59:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 02:59:18,860 INFO L134 CoverageAnalysis]: Checked inductivity of 3706 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3706 trivial. 0 not checked. [2022-03-02 02:59:18,862 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 02:59:18,862 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392035972] [2022-03-02 02:59:18,862 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392035972] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 02:59:18,862 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 02:59:18,863 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-02 02:59:18,863 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31208900] [2022-03-02 02:59:18,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 02:59:18,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-02 02:59:18,864 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 02:59:18,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-02 02:59:18,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-02 02:59:18,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:59:18,865 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 02:59:18,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 02:59:18,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:59:18,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:59:18,930 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1131 transitions and produced 1113 states. [2022-03-02 02:59:18,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:59:18,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 02:59:18,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-02 02:59:18,931 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-03-02 02:59:18,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 02:59:18,931 INFO L85 PathProgramCache]: Analyzing trace with hash 348826015, now seen corresponding path program 1 times [2022-03-02 02:59:18,931 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 02:59:18,932 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702308266] [2022-03-02 02:59:18,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 02:59:18,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 02:59:19,002 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-02 02:59:19,002 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1141483984] [2022-03-02 02:59:19,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 02:59:19,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 02:59:19,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 02:59:19,007 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 02:59:19,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-02 02:59:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 02:59:19,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 1090 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-02 02:59:19,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 02:59:20,109 INFO L134 CoverageAnalysis]: Checked inductivity of 3707 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3706 trivial. 0 not checked. [2022-03-02 02:59:20,109 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 02:59:20,811 INFO L134 CoverageAnalysis]: Checked inductivity of 3707 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3706 trivial. 0 not checked. [2022-03-02 02:59:20,812 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 02:59:20,812 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702308266] [2022-03-02 02:59:20,812 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-02 02:59:20,812 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141483984] [2022-03-02 02:59:20,812 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141483984] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 02:59:20,812 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-03-02 02:59:20,813 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-03-02 02:59:20,813 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160278646] [2022-03-02 02:59:20,813 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-03-02 02:59:20,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-02 02:59:20,814 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 02:59:20,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-02 02:59:20,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-03-02 02:59:20,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:59:20,814 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 02:59:20,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.625) internal successors, (149), 8 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 02:59:20,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:59:20,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 02:59:20,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:59:20,894 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1247 transitions and produced 1229 states. [2022-03-02 02:59:20,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:59:20,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 02:59:20,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 02:59:20,922 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-02 02:59:21,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-03-02 02:59:21,112 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-03-02 02:59:21,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 02:59:21,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1454848213, now seen corresponding path program 2 times [2022-03-02 02:59:21,112 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 02:59:21,112 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069667404] [2022-03-02 02:59:21,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 02:59:21,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 02:59:21,155 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-02 02:59:21,155 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1147325144] [2022-03-02 02:59:21,156 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 02:59:21,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 02:59:21,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 02:59:21,157 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 02:59:21,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-02 02:59:21,440 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 02:59:21,440 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 02:59:21,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 1210 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-02 02:59:21,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 02:59:22,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3787 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 3706 trivial. 0 not checked. [2022-03-02 02:59:22,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 02:59:22,804 INFO L134 CoverageAnalysis]: Checked inductivity of 3787 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 3706 trivial. 0 not checked. [2022-03-02 02:59:22,805 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 02:59:22,805 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069667404] [2022-03-02 02:59:22,805 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-02 02:59:22,805 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147325144] [2022-03-02 02:59:22,805 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147325144] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 02:59:22,805 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-03-02 02:59:22,805 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-03-02 02:59:22,805 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525762115] [2022-03-02 02:59:22,806 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-03-02 02:59:22,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-03-02 02:59:22,807 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 02:59:22,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-03-02 02:59:22,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2022-03-02 02:59:22,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:59:22,809 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 02:59:22,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 16.866666666666667) internal successors, (253), 15 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 02:59:22,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:59:22,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 02:59:22,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 02:59:22,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:59:22,990 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1479 transitions and produced 1461 states. [2022-03-02 02:59:22,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:59:22,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 02:59:22,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 02:59:22,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 02:59:23,013 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-02 02:59:23,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 02:59:23,210 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-03-02 02:59:23,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 02:59:23,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1759659965, now seen corresponding path program 3 times [2022-03-02 02:59:23,210 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 02:59:23,210 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350792075] [2022-03-02 02:59:23,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 02:59:23,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 02:59:23,259 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-02 02:59:23,259 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [494219490] [2022-03-02 02:59:23,259 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 02:59:23,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 02:59:23,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 02:59:23,261 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 02:59:23,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-02 02:59:23,445 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-02 02:59:23,446 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 02:59:23,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-02 02:59:23,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 02:59:24,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4259 backedges. 386 proven. 0 refuted. 0 times theorem prover too weak. 3873 trivial. 0 not checked. [2022-03-02 02:59:24,142 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-02 02:59:24,142 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 02:59:24,142 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350792075] [2022-03-02 02:59:24,142 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-02 02:59:24,145 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494219490] [2022-03-02 02:59:24,145 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494219490] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 02:59:24,145 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 02:59:24,145 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-02 02:59:24,146 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647057895] [2022-03-02 02:59:24,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 02:59:24,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-02 02:59:24,146 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 02:59:24,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-02 02:59:24,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-02 02:59:24,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:59:24,147 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 02:59:24,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 02:59:24,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:59:24,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 02:59:24,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 02:59:24,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 02:59:24,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:59:24,181 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1058 transitions and produced 824 states. [2022-03-02 02:59:24,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:59:24,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 02:59:24,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 02:59:24,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 02:59:24,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 02:59:24,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-02 02:59:24,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 02:59:24,396 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-03-02 02:59:24,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 02:59:24,396 INFO L85 PathProgramCache]: Analyzing trace with hash -971650056, now seen corresponding path program 1 times [2022-03-02 02:59:24,396 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 02:59:24,396 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018177663] [2022-03-02 02:59:24,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 02:59:24,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 02:59:24,435 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-02 02:59:24,435 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2125041801] [2022-03-02 02:59:24,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 02:59:24,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 02:59:24,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 02:59:24,436 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 02:59:24,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-02 02:59:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 02:59:24,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-02 02:59:24,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 02:59:24,893 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 174 proven. 4 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2022-03-02 02:59:24,894 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 02:59:25,161 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2022-03-02 02:59:25,161 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 02:59:25,161 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018177663] [2022-03-02 02:59:25,161 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-02 02:59:25,161 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125041801] [2022-03-02 02:59:25,161 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125041801] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-02 02:59:25,161 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-02 02:59:25,161 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-03-02 02:59:25,162 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433761929] [2022-03-02 02:59:25,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 02:59:25,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-02 02:59:25,162 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 02:59:25,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-02 02:59:25,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-02 02:59:25,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:59:25,163 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 02:59:25,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 02:59:25,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:59:25,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 02:59:25,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 02:59:25,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 02:59:25,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 02:59:25,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:59:25,199 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 824 transitions and produced 590 states. [2022-03-02 02:59:25,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:59:25,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 02:59:25,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 02:59:25,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 02:59:25,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 02:59:25,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 02:59:25,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-02 02:59:25,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 02:59:25,417 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-03-02 02:59:25,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 02:59:25,417 INFO L85 PathProgramCache]: Analyzing trace with hash -54016692, now seen corresponding path program 1 times [2022-03-02 02:59:25,417 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 02:59:25,418 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785278700] [2022-03-02 02:59:25,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 02:59:25,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 02:59:25,432 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-02 02:59:25,432 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1127724959] [2022-03-02 02:59:25,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 02:59:25,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 02:59:25,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 02:59:25,433 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 02:59:25,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-02 02:59:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 02:59:25,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 35 conjunts are in the unsatisfiable core [2022-03-02 02:59:25,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 02:59:25,608 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-03-02 02:59:25,749 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-03-02 02:59:25,752 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-03-02 02:59:25,775 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-03-02 02:59:25,775 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-03-02 02:59:25,897 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-03-02 02:59:25,940 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-03-02 02:59:26,071 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-03-02 02:59:26,614 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 46 [2022-03-02 02:59:26,754 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-03-02 02:59:26,754 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 02:59:31,364 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((aux_mod_~first~0_40 Int)) (or (let ((.cse0 (<= (mod |c_t1Thread1of1ForFork0_insertLogElement_~b#1| 256) 127))) (and (or (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) (+ (- 256) (mod |c_t1Thread1of1ForFork0_insertLogElement_~b#1| 256))) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (< 2147483647 aux_mod_~next~0_24) (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) (+ (- 256) (mod |c_t1Thread1of1ForFork0_insertLogElement_~b#1| 256))) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) |c_t1Thread1of1ForFork0_~i~0#1|) (< aux_mod_~next~0_24 0)))) .cse0) (or (not .cse0) (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) (mod |c_t1Thread1of1ForFork0_insertLogElement_~b#1| 256)) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296)))) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) (mod |c_t1Thread1of1ForFork0_insertLogElement_~b#1| 256)) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24))))))) (<= aux_mod_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40))) (forall ((aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (let ((.cse1 (<= (mod |c_t1Thread1of1ForFork0_insertLogElement_~b#1| 256) 127))) (and (or (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) (+ (- 256) (mod |c_t1Thread1of1ForFork0_insertLogElement_~b#1| 256))) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) (+ (- 256) (mod |c_t1Thread1of1ForFork0_insertLogElement_~b#1| 256))) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) |c_t1Thread1of1ForFork0_~i~0#1|) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0)))) .cse1) (or (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (<= aux_mod_~next~0_24 2147483647) (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) (mod |c_t1Thread1of1ForFork0_insertLogElement_~b#1| 256)) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) |c_t1Thread1of1ForFork0_~i~0#1|) (<= 4294967296 aux_mod_~next~0_24))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) (mod |c_t1Thread1of1ForFork0_insertLogElement_~b#1| 256)) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296)))) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0)))) (not .cse1))))))) is different from false [2022-03-02 02:59:34,475 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (let ((.cse0 (<= (mod |c_t1Thread1of1ForFork0_insertLogElement_#in~b#1| 256) 127))) (and (or (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) (mod |c_t1Thread1of1ForFork0_insertLogElement_#in~b#1| 256)) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) |c_t1Thread1of1ForFork0_~i~0#1|) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) (mod |c_t1Thread1of1ForFork0_insertLogElement_#in~b#1| 256)) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296)))) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0)))) (not .cse0)) (or (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (< 2147483647 aux_mod_~next~0_24) (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) (+ (- 256) (mod |c_t1Thread1of1ForFork0_insertLogElement_#in~b#1| 256))) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) |c_t1Thread1of1ForFork0_~i~0#1|) (< aux_mod_~next~0_24 0))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) (+ (- 256) (mod |c_t1Thread1of1ForFork0_insertLogElement_#in~b#1| 256))) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24)))) .cse0))))) (forall ((aux_mod_~first~0_40 Int)) (or (<= aux_mod_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40) (let ((.cse1 (<= (mod |c_t1Thread1of1ForFork0_insertLogElement_#in~b#1| 256) 127))) (and (or (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) (mod |c_t1Thread1of1ForFork0_insertLogElement_#in~b#1| 256)) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296)))) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) (mod |c_t1Thread1of1ForFork0_insertLogElement_#in~b#1| 256)) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24)))) (not .cse1)) (or (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (<= aux_mod_~next~0_24 2147483647) (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) (+ (- 256) (mod |c_t1Thread1of1ForFork0_insertLogElement_#in~b#1| 256))) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) |c_t1Thread1of1ForFork0_~i~0#1|) (<= 4294967296 aux_mod_~next~0_24))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) (+ (- 256) (mod |c_t1Thread1of1ForFork0_insertLogElement_#in~b#1| 256))) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) |c_t1Thread1of1ForFork0_~i~0#1|) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0)))) .cse1)))))) is different from false [2022-03-02 02:59:38,086 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (let ((.cse0 (<= (mod |c_t1Thread1of1ForFork0_~i~0#1| 256) 127))) (and (or (not .cse0) (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) (mod |c_t1Thread1of1ForFork0_~i~0#1| 256)) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) |c_t1Thread1of1ForFork0_~i~0#1|) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) (mod |c_t1Thread1of1ForFork0_~i~0#1| 256)) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24))))) (or (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (<= aux_mod_~next~0_24 2147483647) (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) (+ (mod |c_t1Thread1of1ForFork0_~i~0#1| 256) (- 256))) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296)))) (<= 4294967296 aux_mod_~next~0_24))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (< 2147483647 aux_mod_~next~0_24) (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) (+ (mod |c_t1Thread1of1ForFork0_~i~0#1| 256) (- 256))) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296)))) (< aux_mod_~next~0_24 0)))) .cse0))))) (forall ((aux_mod_~first~0_40 Int)) (or (let ((.cse1 (<= (mod |c_t1Thread1of1ForFork0_~i~0#1| 256) 127))) (and (or (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (< 2147483647 aux_mod_~next~0_24) (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) (+ (mod |c_t1Thread1of1ForFork0_~i~0#1| 256) (- 256))) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) |c_t1Thread1of1ForFork0_~i~0#1|) (< aux_mod_~next~0_24 0))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) (+ (mod |c_t1Thread1of1ForFork0_~i~0#1| 256) (- 256))) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24)))) .cse1) (or (not .cse1) (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) (mod |c_t1Thread1of1ForFork0_~i~0#1| 256)) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296)))) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) (mod |c_t1Thread1of1ForFork0_~i~0#1| 256)) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24))))))) (<= aux_mod_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40)))) is different from false [2022-03-02 02:59:43,225 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) 0) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) 0) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24)))))) (forall ((aux_mod_~first~0_40 Int)) (or (<= aux_mod_~first~0_40 2147483647) (and (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0))) (forall ((|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24)))) (<= 4294967296 aux_mod_~first~0_40)))) is different from false [2022-03-02 02:59:43,870 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((aux_mod_~first~0_40 Int)) (or (and (forall ((v_ArrVal_1228 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0))) (forall ((v_ArrVal_1228 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24)))) (<= aux_mod_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40))) (forall ((aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (and (forall ((v_ArrVal_1228 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) 0) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24))) (forall ((v_ArrVal_1228 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (< 2147483647 aux_mod_~next~0_24) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) 0) (< aux_mod_~next~0_24 0))))))) is different from false [2022-03-02 02:59:45,262 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((aux_mod_~first~0_40 Int)) (or (<= aux_mod_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40) (and (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1227) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0))) (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1227) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24)))))) (forall ((aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (and (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= 0 (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1227) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24))) (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1227) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) 0) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0))))))) is different from false [2022-03-02 03:07:02,390 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 731 treesize of output 707 [2022-03-02 03:07:02,406 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 679 treesize of output 651 [2022-03-02 03:07:02,421 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 583 treesize of output 569 [2022-03-02 03:07:02,435 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 557 treesize of output 543 [2022-03-02 03:07:02,448 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 522 treesize of output 515 [2022-03-02 03:07:02,460 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 532 treesize of output 520 [2022-03-02 03:07:02,474 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 502 treesize of output 490 [2022-03-02 03:07:02,486 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 474 treesize of output 468 [2022-03-02 03:07:06,673 INFO L353 Elim1Store]: treesize reduction 14, result has 44.0 percent of original size [2022-03-02 03:07:06,674 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 37 [2022-03-02 03:07:06,695 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 25 not checked. [2022-03-02 03:07:06,696 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:07:06,696 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785278700] [2022-03-02 03:07:06,696 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-02 03:07:06,696 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127724959] [2022-03-02 03:07:06,696 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127724959] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:07:06,696 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-03-02 03:07:06,696 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18] total 32 [2022-03-02 03:07:06,696 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333688511] [2022-03-02 03:07:06,696 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-03-02 03:07:06,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-02 03:07:06,697 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:07:06,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-02 03:07:06,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=559, Unknown=10, NotChecked=318, Total=992 [2022-03-02 03:07:06,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:07:06,698 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:07:06,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 7.4375) internal successors, (238), 32 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 03:07:06,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:07:06,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:07:06,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:07:06,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:07:06,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:07:06,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:07:06,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:07:08,749 WARN L838 $PredicateComparison]: unable to prove that (and (= (select |c_#valid| 3) 1) (forall ((aux_mod_~first~0_40 Int)) (or (<= aux_mod_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40) (and (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1227) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0))) (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1227) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24)))))) (not (= |c_ULTIMATE.start_main_~#id2~0#1.base| 3)) (forall ((aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (and (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= 0 (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1227) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24))) (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1227) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) 0) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0)))))) (= ((as const (Array Int Int)) 0) (select |c_#memory_int| |c_~#buffer~0.base|)) (= 3 |c_~#buffer~0.base|) (not (= 3 |c_ULTIMATE.start_main_~#id1~0#1.base|))) is different from false [2022-03-02 03:07:10,754 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((aux_mod_~first~0_40 Int)) (or (<= aux_mod_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40) (and (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1227) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0))) (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1227) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24)))))) (not (= |c_ULTIMATE.start_main_~#id2~0#1.base| 3)) (forall ((aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (and (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= 0 (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1227) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24))) (forall ((v_ArrVal_1228 (Array Int Int)) (v_ArrVal_1227 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1227) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) 0) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0)))))) (= ((as const (Array Int Int)) 0) (select |c_#memory_int| |c_~#buffer~0.base|)) (= 3 |c_~#buffer~0.base|) (not (= 3 |c_ULTIMATE.start_main_~#id1~0#1.base|))) is different from false [2022-03-02 03:07:12,765 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#id2~0#1.base| 3)) (forall ((aux_mod_~first~0_40 Int)) (or (and (forall ((v_ArrVal_1228 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (< 2147483647 aux_mod_~next~0_24) (< aux_mod_~next~0_24 0))) (forall ((v_ArrVal_1228 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24)))) (<= aux_mod_~first~0_40 2147483647) (<= 4294967296 aux_mod_~first~0_40))) (forall ((aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (and (forall ((v_ArrVal_1228 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) 0) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24))) (forall ((v_ArrVal_1228 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int)) (or (< 2147483647 aux_mod_~next~0_24) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1228) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) 0) (< aux_mod_~next~0_24 0)))))) (= ((as const (Array Int Int)) 0) (select |c_#memory_int| |c_~#buffer~0.base|)) (= 3 |c_~#buffer~0.base|)) is different from false [2022-03-02 03:07:13,116 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 888 transitions and produced 621 states. [2022-03-02 03:07:13,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:07:13,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:07:13,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:07:13,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:07:13,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:07:13,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:07:13,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:07:13,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-02 03:07:13,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:07:13,338 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-03-02 03:07:13,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:07:13,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1924620408, now seen corresponding path program 1 times [2022-03-02 03:07:13,338 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:07:13,338 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088273514] [2022-03-02 03:07:13,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:07:13,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:07:13,359 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-02 03:07:13,359 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1189201898] [2022-03-02 03:07:13,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:07:13,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:07:13,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:07:13,361 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:07:13,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-02 03:07:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:07:13,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 14 conjunts are in the unsatisfiable core [2022-03-02 03:07:13,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:07:29,723 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-02 03:07:29,724 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:07:33,822 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-02 03:07:33,822 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:07:33,822 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088273514] [2022-03-02 03:07:33,822 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-02 03:07:33,822 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189201898] [2022-03-02 03:07:33,822 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189201898] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:07:33,822 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-03-02 03:07:33,822 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2022-03-02 03:07:33,823 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560980795] [2022-03-02 03:07:33,823 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-03-02 03:07:33,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-03-02 03:07:33,823 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:07:33,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-03-02 03:07:33,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=160, Unknown=1, NotChecked=0, Total=210 [2022-03-02 03:07:33,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:07:33,823 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:07:33,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.066666666666666) internal successors, (181), 15 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 03:07:33,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:07:33,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:07:33,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:07:33,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:07:33,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:07:33,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:07:33,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:07:33,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:07:40,167 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:07:57,712 WARN L228 SmtUtils]: Spent 12.90s 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) [2022-03-02 03:07:59,714 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:08:02,329 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:08:04,660 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:08:06,774 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 69018 transitions and produced 33329 states. [2022-03-02 03:08:06,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:08:06,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:08:06,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:08:06,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:08:06,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:08:06,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:08:06,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:08:06,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:08:06,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-02 03:08:06,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:08:06,983 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-03-02 03:08:06,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:08:06,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1817145469, now seen corresponding path program 1 times [2022-03-02 03:08:06,984 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:08:06,984 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506340518] [2022-03-02 03:08:06,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:08:06,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:08:07,013 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-02 03:08:07,013 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [215790135] [2022-03-02 03:08:07,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:08:07,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:08:07,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:08:07,014 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:08:07,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-02 03:08:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:08:07,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-02 03:08:07,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:08:07,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 820 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2022-03-02 03:08:07,677 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-02 03:08:07,677 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:08:07,678 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506340518] [2022-03-02 03:08:07,678 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-02 03:08:07,678 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215790135] [2022-03-02 03:08:07,678 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215790135] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 03:08:07,678 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 03:08:07,678 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-02 03:08:07,678 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674139569] [2022-03-02 03:08:07,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 03:08:07,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-02 03:08:07,678 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:08:07,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-02 03:08:07,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2022-03-02 03:08:07,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:08:07,679 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:08:07,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 11.588235294117647) internal successors, (197), 17 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 03:08:07,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:08:07,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:08:07,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:08:07,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:08:07,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:08:07,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:08:07,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:08:07,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:08:07,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:08:13,242 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 429154 transitions and produced 162601 states. [2022-03-02 03:08:13,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:08:13,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:08:13,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:08:13,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:08:13,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:08:13,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:08:13,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:08:13,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:08:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:08:13,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-02 03:08:13,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-03-02 03:08:13,463 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-03-02 03:08:13,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:08:13,464 INFO L85 PathProgramCache]: Analyzing trace with hash -711753987, now seen corresponding path program 2 times [2022-03-02 03:08:13,464 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:08:13,464 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452686878] [2022-03-02 03:08:13,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:08:13,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:08:13,480 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-02 03:08:13,480 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1550990189] [2022-03-02 03:08:13,480 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 03:08:13,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:08:13,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:08:13,482 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:08:13,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-02 03:08:13,642 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 03:08:13,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:08:13,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 6 conjunts are in the unsatisfiable core [2022-03-02 03:08:13,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:08:13,755 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-02 03:08:13,845 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-03-02 03:08:13,845 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-02 03:08:13,845 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:08:13,845 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452686878] [2022-03-02 03:08:13,845 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-02 03:08:13,845 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550990189] [2022-03-02 03:08:13,845 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550990189] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 03:08:13,845 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 03:08:13,845 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-02 03:08:13,846 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212067710] [2022-03-02 03:08:13,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 03:08:13,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-02 03:08:13,846 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:08:13,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-02 03:08:13,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-02 03:08:13,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:08:13,846 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:08:13,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 03:08:13,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:08:13,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:08:13,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:08:13,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:08:13,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:08:13,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:08:13,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:08:13,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:08:13,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:08:13,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:08:13,892 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1242 transitions and produced 787 states. [2022-03-02 03:08:13,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:08:13,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:08:13,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:08:13,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:08:13,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:08:13,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:08:13,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:08:13,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:08:13,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:08:13,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:08:13,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-02 03:08:14,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-03-02 03:08:14,094 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-03-02 03:08:14,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:08:14,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1842722511, now seen corresponding path program 3 times [2022-03-02 03:08:14,094 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:08:14,094 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83363395] [2022-03-02 03:08:14,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:08:14,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:08:14,109 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-02 03:08:14,109 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1558421696] [2022-03-02 03:08:14,109 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 03:08:14,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:08:14,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:08:14,111 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:08:14,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-02 03:08:14,990 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-03-02 03:08:14,990 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:08:14,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 49 conjunts are in the unsatisfiable core [2022-03-02 03:08:14,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:08:16,189 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 57 [2022-03-02 03:08:16,195 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 60 [2022-03-02 03:08:16,200 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-03-02 03:08:16,222 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 42 [2022-03-02 03:08:21,562 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2022-03-02 03:08:21,830 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-03-02 03:08:21,830 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:08:25,046 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-03-02 03:08:25,063 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 03:08:25,063 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 44 [2022-03-02 03:08:25,086 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 10 [2022-03-02 03:08:25,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:08:25,142 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 14 [2022-03-02 03:08:25,198 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 03:08:25,198 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 32 [2022-03-02 03:08:25,336 INFO L353 Elim1Store]: treesize reduction 39, result has 23.5 percent of original size [2022-03-02 03:08:25,336 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 117 treesize of output 98 [2022-03-02 03:08:36,007 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-03-02 03:08:36,007 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:08:36,007 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83363395] [2022-03-02 03:08:36,007 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-02 03:08:36,008 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558421696] [2022-03-02 03:08:36,008 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558421696] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:08:36,008 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-03-02 03:08:36,008 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 23] total 46 [2022-03-02 03:08:36,008 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129420237] [2022-03-02 03:08:36,008 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-03-02 03:08:36,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-03-02 03:08:36,009 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:08:36,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-03-02 03:08:36,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=1884, Unknown=0, NotChecked=0, Total=2070 [2022-03-02 03:08:36,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:08:36,010 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:08:36,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 6.478260869565218) internal successors, (298), 46 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 03:08:36,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:08:36,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:08:36,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:08:36,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:08:36,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:08:36,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:08:36,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:08:36,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:08:36,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:08:36,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:08:36,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:09:00,245 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:09:02,468 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:09:04,660 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:09:06,850 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:09:09,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:09:11,238 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:09:15,675 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:09:17,870 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:09:20,055 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:09:22,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:09:24,434 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:09:26,632 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:09:28,827 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:09:31,029 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:09:33,263 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:09:35,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:09:37,798 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:09:40,360 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:09:42,577 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:09:45,156 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:10:02,151 WARN L228 SmtUtils]: Spent 11.02s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-02 03:10:12,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:10:16,015 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:10:18,254 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:10:20,480 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:10:22,694 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:10:25,948 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:10:29,966 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:10:35,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:10:38,543 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:10:40,769 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:10:44,180 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:10:47,856 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:10:50,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:10:54,065 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:10:56,552 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:10:58,935 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:11:01,146 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:11:03,735 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:11:05,941 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:11:08,382 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:11:10,960 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:11:13,111 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:11:15,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:11:17,541 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:11:19,755 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:11:21,965 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:11:24,168 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:11:26,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:11:28,559 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:11:32,180 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:11:34,407 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:11:36,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-03-02 03:11:36,808 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 35973 transitions and produced 13886 states. [2022-03-02 03:11:36,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:11:36,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:11:36,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:11:36,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:11:36,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:11:36,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:11:36,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:11:36,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:11:36,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:11:36,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:11:36,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-02 03:11:36,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-03-02 03:11:37,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-03-02 03:11:37,009 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-03-02 03:11:37,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:11:37,010 INFO L85 PathProgramCache]: Analyzing trace with hash 12798229, now seen corresponding path program 1 times [2022-03-02 03:11:37,010 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:11:37,010 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492542593] [2022-03-02 03:11:37,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:11:37,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:11:37,029 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-02 03:11:37,029 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1504019596] [2022-03-02 03:11:37,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:11:37,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:11:37,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:11:37,031 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:11:37,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-02 03:11:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:11:37,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 21 conjunts are in the unsatisfiable core [2022-03-02 03:11:37,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:11:39,188 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 4 proven. 96 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-03-02 03:11:39,188 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:12:01,952 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 4 proven. 96 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-03-02 03:12:01,952 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:12:01,952 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492542593] [2022-03-02 03:12:01,952 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-02 03:12:01,952 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504019596] [2022-03-02 03:12:01,952 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504019596] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:12:01,953 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-03-02 03:12:01,953 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2022-03-02 03:12:01,953 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904767329] [2022-03-02 03:12:01,953 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-03-02 03:12:01,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-02 03:12:01,953 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:12:01,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-02 03:12:01,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=369, Unknown=1, NotChecked=0, Total=462 [2022-03-02 03:12:01,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:12:01,954 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:12:01,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 12.772727272727273) internal successors, (281), 22 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 03:12:01,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:12:01,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:12:01,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:12:01,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:12:01,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:12:01,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:12:01,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:12:01,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:12:01,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:12:01,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:12:01,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-03-02 03:12:01,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:12:14,016 WARN L228 SmtUtils]: Spent 10.32s on a formula simplification. DAG size of input: 48 DAG size of output: 46 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-02 03:12:24,078 WARN L228 SmtUtils]: Spent 8.69s on a formula simplification. DAG size of input: 51 DAG size of output: 49 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-02 03:12:36,348 WARN L228 SmtUtils]: Spent 9.98s on a formula simplification. DAG size of input: 53 DAG size of output: 51 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-02 03:12:38,391 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:12:40,514 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:12:42,647 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:12:49,234 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:12:51,374 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:12:53,562 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:12:56,580 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-02 03:12:58,721 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] Received shutdown request... [2022-03-02 03:13:36,603 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 03:13:36,604 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 03:13:36,604 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 03:13:37,617 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 [2022-03-02 03:13:37,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-03-02 03:13:37,811 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 [2022-03-02 03:13:37,851 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 [2022-03-02 03:13:37,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-02 03:13:37,852 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Not enough levels on assertion stack at de.uni_freiburg.informatik.ultimate.logic.NoopScript.pop(NoopScript.java:272) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:138) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.UndoableWrapperScript.pop(UndoableWrapperScript.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.UndoableWrapperScript.restore(UndoableWrapperScript.java:87) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:160) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.MaximalCausalityReduction.internalSuccessors(MaximalCausalityReduction.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.MaximalCausalityReduction.internalSuccessors(MaximalCausalityReduction.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$0(INwaOutgoingLetterAndTransitionProvider.java:123) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.nextLetter(NestedIterator.java:69) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.(NestedIterator.java:62) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIteratorNoopConstruction.(NestedIteratorNoopConstruction.java:48) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$1(INwaOutgoingLetterAndTransitionProvider.java:124) at java.base/java.lang.Iterable.spliterator(Iterable.java:101) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:197) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:127) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.(DepthFirstTraversal.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:246) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:440) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-03-02 03:13:37,856 INFO L158 Benchmark]: Toolchain (without parser) took 860804.35ms. Allocated memory was 186.6MB in the beginning and 5.6GB in the end (delta: 5.4GB). Free memory was 134.8MB in the beginning and 3.5GB in the end (delta: -3.3GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2022-03-02 03:13:37,856 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 186.6MB. Free memory was 152.4MB in the beginning and 152.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 03:13:37,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.63ms. Allocated memory was 186.6MB in the beginning and 252.7MB in the end (delta: 66.1MB). Free memory was 134.6MB in the beginning and 216.9MB in the end (delta: -82.3MB). Peak memory consumption was 15.1MB. Max. memory is 8.0GB. [2022-03-02 03:13:37,856 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.23ms. Allocated memory is still 252.7MB. Free memory was 216.9MB in the beginning and 214.4MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-02 03:13:37,856 INFO L158 Benchmark]: Boogie Preprocessor took 39.08ms. Allocated memory is still 252.7MB. Free memory was 214.4MB in the beginning and 213.0MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 03:13:37,856 INFO L158 Benchmark]: RCFGBuilder took 361.34ms. Allocated memory is still 252.7MB. Free memory was 212.7MB in the beginning and 196.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-03-02 03:13:37,857 INFO L158 Benchmark]: TraceAbstraction took 859951.84ms. Allocated memory was 252.7MB in the beginning and 5.6GB in the end (delta: 5.4GB). Free memory was 195.9MB in the beginning and 3.5GB in the end (delta: -3.3GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2022-03-02 03:13:37,858 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 186.6MB. Free memory was 152.4MB in the beginning and 152.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 410.63ms. Allocated memory was 186.6MB in the beginning and 252.7MB in the end (delta: 66.1MB). Free memory was 134.6MB in the beginning and 216.9MB in the end (delta: -82.3MB). Peak memory consumption was 15.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.23ms. Allocated memory is still 252.7MB. Free memory was 216.9MB in the beginning and 214.4MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.08ms. Allocated memory is still 252.7MB. Free memory was 214.4MB in the beginning and 213.0MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 361.34ms. Allocated memory is still 252.7MB. Free memory was 212.7MB in the beginning and 196.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 859951.84ms. Allocated memory was 252.7MB in the beginning and 5.6GB in the end (delta: 5.4GB). Free memory was 195.9MB in the beginning and 3.5GB in the end (delta: -3.3GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Not enough levels on assertion stack de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Not enough levels on assertion stack: de.uni_freiburg.informatik.ultimate.logic.NoopScript.pop(NoopScript.java:272) RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown