/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-varabs.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/fib_unsafe-5.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 07:30:09,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 07:30:09,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 07:30:09,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-11 07:30:09,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-11 07:30:09,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-11 07:30:09,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-11 07:30:09,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-11 07:30:09,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-11 07:30:09,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-11 07:30:09,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-11 07:30:09,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-11 07:30:09,070 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 07:30:09,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 07:30:09,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 07:30:09,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 07:30:09,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 07:30:09,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 07:30:09,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 07:30:09,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 07:30:09,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 07:30:09,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 07:30:09,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 07:30:09,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 07:30:09,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-11 07:30:09,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-11 07:30:09,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-11 07:30:09,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-11 07:30:09,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-11 07:30:09,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-11 07:30:09,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-11 07:30:09,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-11 07:30:09,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-11 07:30:09,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-11 07:30:09,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-11 07:30:09,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-11 07:30:09,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-11 07:30:09,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-11 07:30:09,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 07:30:09,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 07:30:09,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 07:30:09,094 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-varabs.epf [2022-02-11 07:30:09,119 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 07:30:09,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 07:30:09,120 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 07:30:09,120 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 07:30:09,120 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 07:30:09,121 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 07:30:09,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 07:30:09,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 07:30:09,121 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 07:30:09,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 07:30:09,122 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 07:30:09,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 07:30:09,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 07:30:09,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 07:30:09,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 07:30:09,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 07:30:09,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 07:30:09,123 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 07:30:09,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 07:30:09,123 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 07:30:09,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 07:30:09,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 07:30:09,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 07:30:09,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 07:30:09,124 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 07:30:09,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 07:30:09,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 07:30:09,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 07:30:09,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 07:30:09,125 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 07:30:09,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 07:30:09,125 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 07:30:09,125 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-02-11 07:30:09,125 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 07:30:09,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 07:30:09,125 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 07:30:09,125 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-11 07:30:09,125 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-11 07:30:09,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 07:30:09,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 07:30:09,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 07:30:09,309 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-11 07:30:09,315 INFO L275 PluginConnector]: CDTParser initialized [2022-02-11 07:30:09,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_unsafe-5.i [2022-02-11 07:30:09,394 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bcd4f1c6/5afa4bc8895347cfb218ee9b327b36af/FLAG4dd6f6fdf [2022-02-11 07:30:09,822 INFO L306 CDTParser]: Found 1 translation units. [2022-02-11 07:30:09,822 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_unsafe-5.i [2022-02-11 07:30:09,838 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bcd4f1c6/5afa4bc8895347cfb218ee9b327b36af/FLAG4dd6f6fdf [2022-02-11 07:30:10,342 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bcd4f1c6/5afa4bc8895347cfb218ee9b327b36af [2022-02-11 07:30:10,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 07:30:10,344 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-11 07:30:10,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-11 07:30:10,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-11 07:30:10,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-11 07:30:10,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 07:30:10" (1/1) ... [2022-02-11 07:30:10,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3800ecff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 07:30:10, skipping insertion in model container [2022-02-11 07:30:10,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 07:30:10" (1/1) ... [2022-02-11 07:30:10,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-11 07:30:10,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-11 07:30:10,726 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/fib_unsafe-5.i[30819,30832] [2022-02-11 07:30:10,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 07:30:10,737 INFO L203 MainTranslator]: Completed pre-run [2022-02-11 07:30:10,773 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/fib_unsafe-5.i[30819,30832] [2022-02-11 07:30:10,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 07:30:10,800 INFO L208 MainTranslator]: Completed translation [2022-02-11 07:30:10,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 07:30:10 WrapperNode [2022-02-11 07:30:10,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-11 07:30:10,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 07:30:10,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 07:30:10,801 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 07:30:10,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 07:30:10" (1/1) ... [2022-02-11 07:30:10,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 07:30:10" (1/1) ... [2022-02-11 07:30:10,848 INFO L137 Inliner]: procedures = 164, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2022-02-11 07:30:10,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 07:30:10,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 07:30:10,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 07:30:10,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 07:30:10,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 07:30:10" (1/1) ... [2022-02-11 07:30:10,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 07:30:10" (1/1) ... [2022-02-11 07:30:10,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 07:30:10" (1/1) ... [2022-02-11 07:30:10,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 07:30:10" (1/1) ... [2022-02-11 07:30:10,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 07:30:10" (1/1) ... [2022-02-11 07:30:10,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 07:30:10" (1/1) ... [2022-02-11 07:30:10,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 07:30:10" (1/1) ... [2022-02-11 07:30:10,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 07:30:10,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 07:30:10,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 07:30:10,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 07:30:10,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 07:30:10" (1/1) ... [2022-02-11 07:30:10,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 07:30:10,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 07:30:10,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-11 07:30:10,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-11 07:30:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-02-11 07:30:10,960 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-02-11 07:30:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-02-11 07:30:10,960 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-02-11 07:30:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-11 07:30:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-11 07:30:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-11 07:30:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-11 07:30:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-11 07:30:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-11 07:30:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-11 07:30:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 07:30:10,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 07:30:10,962 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-11 07:30:11,038 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 07:30:11,039 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 07:30:11,193 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 07:30:11,200 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 07:30:11,200 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-02-11 07:30:11,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 07:30:11 BoogieIcfgContainer [2022-02-11 07:30:11,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 07:30:11,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 07:30:11,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 07:30:11,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 07:30:11,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.02 07:30:10" (1/3) ... [2022-02-11 07:30:11,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d67458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 07:30:11, skipping insertion in model container [2022-02-11 07:30:11,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 07:30:10" (2/3) ... [2022-02-11 07:30:11,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d67458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 07:30:11, skipping insertion in model container [2022-02-11 07:30:11,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 07:30:11" (3/3) ... [2022-02-11 07:30:11,209 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_unsafe-5.i [2022-02-11 07:30:11,215 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 07:30:11,215 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 07:30:11,216 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-11 07:30:11,216 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 07:30:11,243 WARN L322 ript$VariableManager]: TermVariable |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,243 WARN L322 ript$VariableManager]: TermVariable |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,244 WARN L322 ript$VariableManager]: TermVariable t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,244 WARN L322 ript$VariableManager]: TermVariable t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,244 WARN L322 ript$VariableManager]: TermVariable |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,244 WARN L322 ript$VariableManager]: TermVariable |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,244 WARN L322 ript$VariableManager]: TermVariable t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,244 WARN L322 ript$VariableManager]: TermVariable t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,245 WARN L322 ript$VariableManager]: TermVariable |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,245 WARN L322 ript$VariableManager]: TermVariable |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,245 WARN L322 ript$VariableManager]: TermVariable |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,245 WARN L322 ript$VariableManager]: TermVariable |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,246 WARN L322 ript$VariableManager]: TermVariable |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,246 WARN L322 ript$VariableManager]: TermVariable |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,246 WARN L322 ript$VariableManager]: TermVariable |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,246 WARN L322 ript$VariableManager]: TermVariable |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,247 WARN L322 ript$VariableManager]: TermVariable |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,247 WARN L322 ript$VariableManager]: TermVariable |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,247 WARN L322 ript$VariableManager]: TermVariable |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,247 WARN L322 ript$VariableManager]: TermVariable |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,247 WARN L322 ript$VariableManager]: TermVariable t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,247 WARN L322 ript$VariableManager]: TermVariable t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,248 WARN L322 ript$VariableManager]: TermVariable |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,248 WARN L322 ript$VariableManager]: TermVariable |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,248 WARN L322 ript$VariableManager]: TermVariable t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,248 WARN L322 ript$VariableManager]: TermVariable t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,248 WARN L322 ript$VariableManager]: TermVariable |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,249 WARN L322 ript$VariableManager]: TermVariable |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,249 WARN L322 ript$VariableManager]: TermVariable |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,249 WARN L322 ript$VariableManager]: TermVariable |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,249 WARN L322 ript$VariableManager]: TermVariable |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,249 WARN L322 ript$VariableManager]: TermVariable |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,250 WARN L322 ript$VariableManager]: TermVariable |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,250 WARN L322 ript$VariableManager]: TermVariable |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,250 WARN L322 ript$VariableManager]: TermVariable |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,250 WARN L322 ript$VariableManager]: TermVariable |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,253 WARN L322 ript$VariableManager]: TermVariable |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,253 WARN L322 ript$VariableManager]: TermVariable t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,253 WARN L322 ript$VariableManager]: TermVariable t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,253 WARN L322 ript$VariableManager]: TermVariable |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,253 WARN L322 ript$VariableManager]: TermVariable |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,255 WARN L322 ript$VariableManager]: TermVariable t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,255 WARN L322 ript$VariableManager]: TermVariable t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,255 WARN L322 ript$VariableManager]: TermVariable |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,255 WARN L322 ript$VariableManager]: TermVariable |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,256 WARN L322 ript$VariableManager]: TermVariable |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:30:11,256 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-11 07:30:11,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 07:30:11,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 07:30:11,292 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 07:30:11,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-11 07:30:11,321 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 07:30:11,326 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-11 07:30:11,326 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-11 07:30:11,470 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 07:30:11,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 07:30:11,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1927097680, now seen corresponding path program 1 times [2022-02-11 07:30:11,479 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 07:30:11,479 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901549221] [2022-02-11 07:30:11,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 07:30:11,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 07:30:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 07:30:11,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:30:11,702 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 07:30:11,702 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901549221] [2022-02-11 07:30:11,703 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901549221] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 07:30:11,703 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 07:30:11,703 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-11 07:30:11,704 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608522016] [2022-02-11 07:30:11,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 07:30:11,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-11 07:30:11,710 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 07:30:11,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-11 07:30:11,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-11 07:30:11,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:30:11,737 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 07:30:11,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 07:30:11,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:30:11,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:30:11,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,SelfDestructingSolverStorable0 [2022-02-11 07:30:11,775 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 07:30:11,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 07:30:11,779 INFO L85 PathProgramCache]: Analyzing trace with hash 560415153, now seen corresponding path program 1 times [2022-02-11 07:30:11,779 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 07:30:11,779 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327391122] [2022-02-11 07:30:11,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 07:30:11,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 07:30:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 07:30:11,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:30:11,847 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 07:30:11,847 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327391122] [2022-02-11 07:30:11,847 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327391122] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 07:30:11,847 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 07:30:11,847 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 07:30:11,847 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284677736] [2022-02-11 07:30:11,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 07:30:11,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 07:30:11,848 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 07:30:11,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 07:30:11,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 07:30:11,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:30:11,851 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 07:30:11,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 07:30:11,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:30:11,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:30:11,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:30:11,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 07:30:11,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,ResultService [2022-02-11 07:30:11,949 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 07:30:11,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 07:30:11,949 INFO L85 PathProgramCache]: Analyzing trace with hash -951035470, now seen corresponding path program 1 times [2022-02-11 07:30:11,949 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 07:30:11,950 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726390858] [2022-02-11 07:30:11,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 07:30:11,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 07:30:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 07:30:12,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:30:12,035 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 07:30:12,036 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726390858] [2022-02-11 07:30:12,036 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726390858] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 07:30:12,036 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162116051] [2022-02-11 07:30:12,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 07:30:12,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 07:30:12,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 07:30:12,037 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 07:30:12,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-11 07:30:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 07:30:12,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-11 07:30:12,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 07:30:12,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:30:12,236 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 07:30:12,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:30:12,321 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162116051] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 07:30:12,321 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 07:30:12,322 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-11 07:30:12,322 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32775488] [2022-02-11 07:30:12,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 07:30:12,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-11 07:30:12,322 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 07:30:12,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-11 07:30:12,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-11 07:30:12,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:30:12,325 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 07:30:12,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 07:30:12,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:30:12,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 07:30:12,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:30:12,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:30:12,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 07:30:12,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 07:30:12,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-11 07:30:12,703 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,ResultService [2022-02-11 07:30:12,704 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 07:30:12,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 07:30:12,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1666707666, now seen corresponding path program 2 times [2022-02-11 07:30:12,704 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 07:30:12,704 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292169646] [2022-02-11 07:30:12,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 07:30:12,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 07:30:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 07:30:12,803 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:30:12,803 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 07:30:12,803 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292169646] [2022-02-11 07:30:12,804 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292169646] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 07:30:12,804 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911550347] [2022-02-11 07:30:12,804 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-11 07:30:12,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 07:30:12,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 07:30:12,805 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 07:30:12,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-11 07:30:12,880 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-11 07:30:12,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 07:30:12,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-11 07:30:12,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 07:30:13,011 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:30:13,011 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 07:30:13,160 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:30:13,160 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [911550347] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 07:30:13,160 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 07:30:13,161 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-02-11 07:30:13,161 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392690053] [2022-02-11 07:30:13,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 07:30:13,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-11 07:30:13,161 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 07:30:13,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-11 07:30:13,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-02-11 07:30:13,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:30:13,163 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 07:30:13,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 18 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 07:30:13,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:30:13,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 07:30:13,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 07:30:13,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:30:13,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:30:13,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 07:30:13,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 07:30:13,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 07:30:13,316 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-11 07:30:13,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,ResultService,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 07:30:13,515 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 07:30:13,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 07:30:13,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1283180782, now seen corresponding path program 3 times [2022-02-11 07:30:13,516 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 07:30:13,516 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227642980] [2022-02-11 07:30:13,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 07:30:13,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 07:30:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 07:30:13,724 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:30:13,724 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 07:30:13,724 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227642980] [2022-02-11 07:30:13,724 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227642980] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 07:30:13,724 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593106566] [2022-02-11 07:30:13,725 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-11 07:30:13,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 07:30:13,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 07:30:13,730 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 07:30:13,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-11 07:30:13,828 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-02-11 07:30:13,828 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 07:30:13,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-11 07:30:13,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 07:30:14,026 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:30:14,026 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 07:30:14,310 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:30:14,310 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [593106566] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 07:30:14,310 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 07:30:14,310 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 27 [2022-02-11 07:30:14,310 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813709326] [2022-02-11 07:30:14,310 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 07:30:14,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-11 07:30:14,311 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 07:30:14,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-11 07:30:14,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=507, Unknown=0, NotChecked=0, Total=702 [2022-02-11 07:30:14,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:30:14,313 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 07:30:14,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.148148148148148) internal successors, (139), 27 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 07:30:14,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:30:14,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 07:30:14,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 07:30:14,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-11 07:30:14,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:30:14,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:30:14,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 07:30:14,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 07:30:14,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 07:30:14,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-11 07:30:14,625 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-11 07:30:14,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,ResultService,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 07:30:14,825 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 07:30:14,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 07:30:14,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1938020081, now seen corresponding path program 4 times [2022-02-11 07:30:14,826 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 07:30:14,826 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219245304] [2022-02-11 07:30:14,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 07:30:14,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 07:30:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 07:30:15,872 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:30:15,873 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 07:30:15,873 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219245304] [2022-02-11 07:30:15,873 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219245304] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 07:30:15,873 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636821861] [2022-02-11 07:30:15,873 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-11 07:30:15,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 07:30:15,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 07:30:15,875 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 07:30:15,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-11 07:30:15,961 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-11 07:30:15,961 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 07:30:15,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 41 conjunts are in the unsatisfiable core [2022-02-11 07:30:15,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 07:30:18,564 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 335 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:30:18,564 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 07:35:48,208 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 472 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:35:48,208 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636821861] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 07:35:48,208 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 07:35:48,209 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 42, 42] total 121 [2022-02-11 07:35:48,209 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430374332] [2022-02-11 07:35:48,209 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 07:35:48,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 121 states [2022-02-11 07:35:48,211 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 07:35:48,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2022-02-11 07:35:48,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=946, Invalid=13492, Unknown=82, NotChecked=0, Total=14520 [2022-02-11 07:35:48,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:35:48,220 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 07:35:48,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 121 states, 121 states have (on average 3.15702479338843) internal successors, (382), 121 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 07:35:48,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:35:48,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 07:35:48,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 07:35:48,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-11 07:35:48,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-02-11 07:35:48,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:36:02,261 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (* (- 1) c_~j~0)) (.cse6 (* (- 1) c_~i~0)) (.cse22 (* 2 c_~cur~0))) (let ((.cse2 (+ c_~prev~0 c_~next~0)) (.cse7 (+ .cse22 3 c_~prev~0)) (.cse10 (+ .cse22 c_~prev~0)) (.cse4 (+ c_~next~0 1)) (.cse9 (div (+ (- 3) .cse6 c_~cur~0) (- 2))) (.cse11 (div (+ .cse6 c_~next~0 (- 5)) (- 2))) (.cse1 (+ 2 c_~prev~0 c_~next~0)) (.cse5 (+ (* 2 c_~next~0) 4 c_~cur~0)) (.cse0 (div (+ .cse3 c_~next~0 (- 5)) (- 2))) (.cse12 (+ 2 c_~next~0 c_~cur~0)) (.cse18 (div (+ (- 3) .cse3 c_~cur~0) (- 2))) (.cse19 (+ c_~prev~0 1 c_~cur~0)) (.cse15 (+ c_~prev~0 c_~cur~0)) (.cse13 (+ c_~next~0 c_~cur~0))) (and (< c_~i~0 c_~cur~0) (<= .cse0 .cse1) (< c_~j~0 .cse2) (forall ((v_~cur~0_28 Int) (aux_div_v_~next~0_24_56 Int) (aux_mod_v_~next~0_24_56 Int)) (or (< (+ aux_mod_v_~next~0_24_56 c_~j~0 9) (+ c_~prev~0 (* 2 v_~cur~0_28) (* 2 aux_div_v_~next~0_24_56) c_~cur~0)) (< v_~cur~0_28 (+ (* 2 c_~cur~0) c_~prev~0)) (<= (+ (* 5 aux_div_v_~next~0_24_56) v_~cur~0_28) (+ 22 (* aux_mod_v_~next~0_24_56 2) (* 2 c_~j~0))) (> 0 aux_mod_v_~next~0_24_56) (>= aux_mod_v_~next~0_24_56 2))) (< (div (+ (- 1) c_~prev~0 .cse3) (- 2)) .cse4) (<= (div (+ (- 9) .cse3 c_~next~0 c_~cur~0) (- 2)) .cse5) (< c_~j~0 |c_ULTIMATE.start_main_~correct~0#1|) (<= (div (+ (- 7) c_~prev~0 .cse6 c_~cur~0) (- 2)) .cse7) (< c_~i~0 .cse2) (forall ((aux_div_v_~next~0_24_56 Int) (aux_div_v_~cur~0_28_51 Int) (aux_mod_v_~cur~0_28_51 Int) (v_~prev~0_30 Int) (v_~cur~0_32 Int) (aux_mod_v_~next~0_24_56 Int)) (let ((.cse8 (* 2 v_~cur~0_32))) (or (< v_~prev~0_30 (+ c_~prev~0 v_~cur~0_32 c_~cur~0)) (< v_~cur~0_32 (+ (* 2 c_~cur~0) c_~prev~0)) (<= (+ v_~prev~0_30 (* 5 aux_div_v_~next~0_24_56) (* 2 aux_div_v_~cur~0_28_51)) (+ 23 (* aux_mod_v_~next~0_24_56 2) aux_mod_v_~cur~0_28_51 (* 2 c_~j~0))) (> 0 aux_mod_v_~cur~0_28_51) (< (+ aux_mod_v_~next~0_24_56 (* 2 aux_mod_v_~cur~0_28_51) c_~j~0 11) (+ .cse8 c_~prev~0 (* 2 aux_div_v_~next~0_24_56) (* v_~prev~0_30 3) (* aux_div_v_~cur~0_28_51 4) c_~cur~0)) (> 0 aux_mod_v_~next~0_24_56) (< aux_div_v_~cur~0_28_51 (+ .cse8 c_~prev~0 1 c_~cur~0)) (>= aux_mod_v_~next~0_24_56 2) (>= aux_mod_v_~cur~0_28_51 2)))) (<= .cse9 .cse4) (< c_~i~0 c_~next~0) (< c_~i~0 .cse10) (<= .cse11 .cse12) (< c_~i~0 |c_ULTIMATE.start_main_~correct~0#1|) (forall ((aux_div_v_~next~0_24_56 Int) (aux_mod_v_~next~0_24_56 Int)) (or (<= (+ (* 5 aux_div_v_~next~0_24_56) c_~cur~0) (+ 22 (* aux_mod_v_~next~0_24_56 2) (* 2 c_~i~0))) (not (<= (+ (* 2 c_~cur~0) c_~prev~0 (* 2 aux_div_v_~next~0_24_56)) (+ aux_mod_v_~next~0_24_56 9 c_~i~0))) (> 0 aux_mod_v_~next~0_24_56) (>= aux_mod_v_~next~0_24_56 2))) (<= (div (+ (- 7) c_~prev~0 .cse3 c_~cur~0) (- 2)) .cse7) (< c_~j~0 .cse13) (forall ((v_~prev~0_30 Int)) (or (and (forall ((aux_div_v_~next~0_24_56 Int) (aux_div_v_~cur~0_28_51 Int) (aux_mod_v_~cur~0_28_51 Int) (aux_mod_v_~next~0_24_56 Int)) (or (< aux_div_v_~cur~0_28_51 (+ c_~prev~0 1 c_~cur~0)) (<= (+ v_~prev~0_30 (* 5 aux_div_v_~next~0_24_56) (* 2 aux_div_v_~cur~0_28_51)) (+ 23 (* aux_mod_v_~next~0_24_56 2) aux_mod_v_~cur~0_28_51 (* 2 c_~j~0))) (> 0 aux_mod_v_~cur~0_28_51) (> 0 aux_mod_v_~next~0_24_56) (< (+ aux_mod_v_~next~0_24_56 (* 2 aux_mod_v_~cur~0_28_51) c_~j~0 11) (+ c_~prev~0 (* 2 aux_div_v_~next~0_24_56) (* v_~prev~0_30 3) (* aux_div_v_~cur~0_28_51 4) c_~cur~0)) (>= aux_mod_v_~next~0_24_56 2) (>= aux_mod_v_~cur~0_28_51 2))) (forall ((aux_div_v_~next~0_24_56 Int) (aux_div_v_~cur~0_28_51 Int) (aux_mod_v_~cur~0_28_51 Int) (aux_mod_v_~next~0_24_56 Int)) (or (< aux_div_v_~cur~0_28_51 (+ c_~prev~0 1 c_~cur~0)) (< (+ aux_mod_v_~next~0_24_56 (* 2 aux_mod_v_~cur~0_28_51) c_~i~0 11) (+ c_~prev~0 (* 2 aux_div_v_~next~0_24_56) (* v_~prev~0_30 3) (* aux_div_v_~cur~0_28_51 4) c_~cur~0)) (> 0 aux_mod_v_~cur~0_28_51) (<= (+ v_~prev~0_30 (* 5 aux_div_v_~next~0_24_56) (* 2 aux_div_v_~cur~0_28_51)) (+ 23 (* aux_mod_v_~next~0_24_56 2) aux_mod_v_~cur~0_28_51 (* 2 c_~i~0))) (> 0 aux_mod_v_~next~0_24_56) (>= aux_mod_v_~next~0_24_56 2) (>= aux_mod_v_~cur~0_28_51 2)))) (not (<= c_~cur~0 v_~prev~0_30)))) (forall ((v_~cur~0_28 Int) (aux_div_v_~next~0_24_56 Int) (aux_mod_v_~next~0_24_56 Int)) (or (< v_~cur~0_28 (+ (* 2 c_~cur~0) c_~prev~0)) (<= (+ (* 5 aux_div_v_~next~0_24_56) v_~cur~0_28) (+ 22 (* aux_mod_v_~next~0_24_56 2) (* 2 c_~i~0))) (> 0 aux_mod_v_~next~0_24_56) (< (+ aux_mod_v_~next~0_24_56 9 c_~i~0) (+ c_~prev~0 (* 2 v_~cur~0_28) (* 2 aux_div_v_~next~0_24_56) c_~cur~0)) (>= aux_mod_v_~next~0_24_56 2))) (< c_~i~0 |c_ULTIMATE.start_fib_#res#1|) (forall ((aux_div_v_~next~0_24_56 Int) (aux_mod_v_~next~0_24_56 Int)) (or (not (<= (+ (* 2 c_~cur~0) c_~prev~0 (* 2 aux_div_v_~next~0_24_56)) (+ aux_mod_v_~next~0_24_56 c_~j~0 9))) (<= (+ (* 5 aux_div_v_~next~0_24_56) c_~cur~0) (+ 22 (* aux_mod_v_~next~0_24_56 2) (* 2 c_~j~0))) (> 0 aux_mod_v_~next~0_24_56) (>= aux_mod_v_~next~0_24_56 2))) (< c_~j~0 .cse10) (< (div (+ (- 1) c_~prev~0 .cse6) (- 2)) .cse4) (forall ((aux_div_v_~next~0_24_56 Int) (aux_div_v_~cur~0_28_51 Int) (aux_mod_v_~cur~0_28_51 Int) (v_~prev~0_30 Int) (v_~cur~0_32 Int) (aux_mod_v_~next~0_24_56 Int)) (let ((.cse14 (* 2 v_~cur~0_32))) (or (< (+ aux_mod_v_~next~0_24_56 (* 2 aux_mod_v_~cur~0_28_51) c_~i~0 11) (+ .cse14 c_~prev~0 (* 2 aux_div_v_~next~0_24_56) (* v_~prev~0_30 3) (* aux_div_v_~cur~0_28_51 4) c_~cur~0)) (< v_~prev~0_30 (+ c_~prev~0 v_~cur~0_32 c_~cur~0)) (< v_~cur~0_32 (+ (* 2 c_~cur~0) c_~prev~0)) (> 0 aux_mod_v_~cur~0_28_51) (<= (+ v_~prev~0_30 (* 5 aux_div_v_~next~0_24_56) (* 2 aux_div_v_~cur~0_28_51)) (+ 23 (* aux_mod_v_~next~0_24_56 2) aux_mod_v_~cur~0_28_51 (* 2 c_~i~0))) (> 0 aux_mod_v_~next~0_24_56) (< aux_div_v_~cur~0_28_51 (+ .cse14 c_~prev~0 1 c_~cur~0)) (>= aux_mod_v_~next~0_24_56 2) (>= aux_mod_v_~cur~0_28_51 2)))) (< c_~j~0 .cse15) (forall ((v_~cur~0_32 Int)) (or (and (forall ((aux_div_v_~next~0_24_56 Int) (aux_div_v_~cur~0_28_51 Int) (aux_mod_v_~cur~0_28_51 Int) (v_~prev~0_30 Int) (aux_mod_v_~next~0_24_56 Int)) (let ((.cse16 (* 2 v_~cur~0_32))) (or (> 0 aux_mod_v_~cur~0_28_51) (< (+ aux_mod_v_~next~0_24_56 (* 2 aux_mod_v_~cur~0_28_51) c_~i~0 11) (+ .cse16 (* 2 aux_div_v_~next~0_24_56) (* v_~prev~0_30 3) (* aux_div_v_~cur~0_28_51 4) c_~cur~0)) (<= (+ v_~prev~0_30 (* 5 aux_div_v_~next~0_24_56) (* 2 aux_div_v_~cur~0_28_51)) (+ 23 (* aux_mod_v_~next~0_24_56 2) aux_mod_v_~cur~0_28_51 (* 2 c_~i~0))) (< aux_div_v_~cur~0_28_51 (+ .cse16 1 c_~cur~0)) (> 0 aux_mod_v_~next~0_24_56) (>= aux_mod_v_~next~0_24_56 2) (>= aux_mod_v_~cur~0_28_51 2) (< v_~prev~0_30 (+ v_~cur~0_32 c_~cur~0))))) (forall ((aux_div_v_~next~0_24_56 Int) (aux_div_v_~cur~0_28_51 Int) (aux_mod_v_~cur~0_28_51 Int) (v_~prev~0_30 Int) (aux_mod_v_~next~0_24_56 Int)) (let ((.cse17 (* 2 v_~cur~0_32))) (or (<= (+ v_~prev~0_30 (* 5 aux_div_v_~next~0_24_56) (* 2 aux_div_v_~cur~0_28_51)) (+ 23 (* aux_mod_v_~next~0_24_56 2) aux_mod_v_~cur~0_28_51 (* 2 c_~j~0))) (> 0 aux_mod_v_~cur~0_28_51) (< (+ aux_mod_v_~next~0_24_56 (* 2 aux_mod_v_~cur~0_28_51) c_~j~0 11) (+ .cse17 (* 2 aux_div_v_~next~0_24_56) (* v_~prev~0_30 3) (* aux_div_v_~cur~0_28_51 4) c_~cur~0)) (< aux_div_v_~cur~0_28_51 (+ .cse17 1 c_~cur~0)) (> 0 aux_mod_v_~next~0_24_56) (>= aux_mod_v_~next~0_24_56 2) (>= aux_mod_v_~cur~0_28_51 2) (< v_~prev~0_30 (+ v_~cur~0_32 c_~cur~0)))))) (< v_~cur~0_32 (+ c_~prev~0 c_~cur~0)))) (<= .cse18 .cse4) (forall ((v_~cur~0_28 Int)) (or (< v_~cur~0_28 (+ c_~prev~0 c_~cur~0)) (and (forall ((aux_div_v_~next~0_24_56 Int) (aux_mod_v_~next~0_24_56 Int)) (or (<= (+ (* 5 aux_div_v_~next~0_24_56) v_~cur~0_28) (+ 22 (* aux_mod_v_~next~0_24_56 2) (* 2 c_~i~0))) (> 0 aux_mod_v_~next~0_24_56) (>= aux_mod_v_~next~0_24_56 2) (< (+ aux_mod_v_~next~0_24_56 9 c_~i~0) (+ (* 2 v_~cur~0_28) (* 2 aux_div_v_~next~0_24_56) c_~cur~0)))) (forall ((aux_div_v_~next~0_24_56 Int) (aux_mod_v_~next~0_24_56 Int)) (or (<= (+ (* 5 aux_div_v_~next~0_24_56) v_~cur~0_28) (+ 22 (* aux_mod_v_~next~0_24_56 2) (* 2 c_~j~0))) (> 0 aux_mod_v_~next~0_24_56) (>= aux_mod_v_~next~0_24_56 2) (< (+ aux_mod_v_~next~0_24_56 c_~j~0 9) (+ (* 2 v_~cur~0_28) (* 2 aux_div_v_~next~0_24_56) c_~cur~0))))))) (< c_~j~0 |c_ULTIMATE.start_fib_#res#1|) (<= 0 c_~prev~0) (<= .cse9 .cse19) (<= .cse11 .cse1) (<= (div (+ (- 9) .cse6 c_~next~0 c_~cur~0) (- 2)) .cse5) (< c_~j~0 c_~cur~0) (< c_~i~0 c_~prev~0) (< c_~j~0 c_~prev~0) (<= .cse0 .cse12) (<= .cse18 .cse19) (forall ((aux_div_v_~next~0_24_56 Int) (aux_div_v_~cur~0_28_51 Int) (aux_mod_v_~cur~0_28_51 Int) (v_~prev~0_30 Int) (aux_mod_v_~next~0_24_56 Int)) (let ((.cse20 (* 2 c_~cur~0))) (or (< aux_div_v_~cur~0_28_51 (+ .cse20 c_~prev~0 1)) (< (+ aux_mod_v_~next~0_24_56 (* 2 aux_mod_v_~cur~0_28_51) c_~i~0 11) (+ .cse20 c_~prev~0 (* 2 aux_div_v_~next~0_24_56) (* v_~prev~0_30 3) (* aux_div_v_~cur~0_28_51 4))) (> 0 aux_mod_v_~cur~0_28_51) (<= (+ v_~prev~0_30 (* 5 aux_div_v_~next~0_24_56) (* 2 aux_div_v_~cur~0_28_51)) (+ 23 (* aux_mod_v_~next~0_24_56 2) aux_mod_v_~cur~0_28_51 (* 2 c_~i~0))) (< v_~prev~0_30 (+ c_~prev~0 c_~cur~0)) (> 0 aux_mod_v_~next~0_24_56) (>= aux_mod_v_~next~0_24_56 2) (>= aux_mod_v_~cur~0_28_51 2)))) (forall ((aux_div_v_~next~0_24_56 Int) (aux_div_v_~cur~0_28_51 Int) (aux_mod_v_~cur~0_28_51 Int) (v_~prev~0_30 Int) (aux_mod_v_~next~0_24_56 Int)) (let ((.cse21 (* 2 c_~cur~0))) (or (< aux_div_v_~cur~0_28_51 (+ .cse21 c_~prev~0 1)) (< (+ aux_mod_v_~next~0_24_56 (* 2 aux_mod_v_~cur~0_28_51) c_~j~0 11) (+ .cse21 c_~prev~0 (* 2 aux_div_v_~next~0_24_56) (* v_~prev~0_30 3) (* aux_div_v_~cur~0_28_51 4))) (<= (+ v_~prev~0_30 (* 5 aux_div_v_~next~0_24_56) (* 2 aux_div_v_~cur~0_28_51)) (+ 23 (* aux_mod_v_~next~0_24_56 2) aux_mod_v_~cur~0_28_51 (* 2 c_~j~0))) (> 0 aux_mod_v_~cur~0_28_51) (< v_~prev~0_30 (+ c_~prev~0 c_~cur~0)) (> 0 aux_mod_v_~next~0_24_56) (>= aux_mod_v_~next~0_24_56 2) (>= aux_mod_v_~cur~0_28_51 2)))) (< c_~j~0 c_~next~0) (< c_~i~0 .cse15) (<= c_~i~0 1) (< c_~i~0 .cse13) (<= 1 c_~cur~0)))) is different from false [2022-02-11 07:36:02,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:36:02,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 07:36:02,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 07:36:02,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 07:36:02,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-11 07:36:02,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-02-11 07:36:02,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-11 07:36:02,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 07:36:02,592 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 07:36:02,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 07:36:02,593 INFO L85 PathProgramCache]: Analyzing trace with hash -2006804384, now seen corresponding path program 1 times [2022-02-11 07:36:02,593 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 07:36:02,593 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236089650] [2022-02-11 07:36:02,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 07:36:02,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 07:36:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 07:36:02,658 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2022-02-11 07:36:02,659 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 07:36:02,659 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236089650] [2022-02-11 07:36:02,659 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236089650] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 07:36:02,659 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 07:36:02,659 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 07:36:02,659 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399629552] [2022-02-11 07:36:02,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 07:36:02,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 07:36:02,660 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 07:36:02,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 07:36:02,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 07:36:02,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:36:02,662 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 07:36:02,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 07:36:02,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:36:02,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 07:36:02,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 07:36:02,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-11 07:36:02,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-02-11 07:36:02,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-02-11 07:36:02,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:36:06,422 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (* (- 1) c_~j~0)) (.cse6 (* (- 1) c_~i~0)) (.cse24 (* 2 c_~cur~0))) (let ((.cse2 (+ c_~prev~0 c_~next~0)) (.cse7 (+ .cse24 3 c_~prev~0)) (.cse12 (+ .cse24 c_~prev~0)) (.cse4 (+ c_~next~0 1)) (.cse11 (div (+ (- 3) .cse6 c_~cur~0) (- 2))) (.cse13 (div (+ .cse6 c_~next~0 (- 5)) (- 2))) (.cse1 (+ 2 c_~prev~0 c_~next~0)) (.cse5 (+ (* 2 c_~next~0) 4 c_~cur~0)) (.cse0 (div (+ .cse3 c_~next~0 (- 5)) (- 2))) (.cse14 (+ 2 c_~next~0 c_~cur~0)) (.cse20 (div (+ (- 3) .cse3 c_~cur~0) (- 2))) (.cse21 (+ c_~prev~0 1 c_~cur~0)) (.cse17 (+ c_~prev~0 c_~cur~0)) (.cse15 (+ c_~next~0 c_~cur~0))) (and (< c_~i~0 c_~cur~0) (<= .cse0 .cse1) (< c_~j~0 .cse2) (forall ((v_~cur~0_28 Int) (aux_div_v_~next~0_24_56 Int) (aux_mod_v_~next~0_24_56 Int)) (or (< (+ aux_mod_v_~next~0_24_56 c_~j~0 9) (+ c_~prev~0 (* 2 v_~cur~0_28) (* 2 aux_div_v_~next~0_24_56) c_~cur~0)) (< v_~cur~0_28 (+ (* 2 c_~cur~0) c_~prev~0)) (<= (+ (* 5 aux_div_v_~next~0_24_56) v_~cur~0_28) (+ 22 (* aux_mod_v_~next~0_24_56 2) (* 2 c_~j~0))) (> 0 aux_mod_v_~next~0_24_56) (>= aux_mod_v_~next~0_24_56 2))) (< (div (+ (- 1) c_~prev~0 .cse3) (- 2)) .cse4) (<= (div (+ (- 9) .cse3 c_~next~0 c_~cur~0) (- 2)) .cse5) (< c_~j~0 |c_ULTIMATE.start_main_~correct~0#1|) (<= (div (+ (- 7) c_~prev~0 .cse6 c_~cur~0) (- 2)) .cse7) (forall ((v_~j~0_16 Int)) (or (not (<= v_~j~0_16 1)) (and (forall ((aux_div_v_~next~0_24_56 Int) (aux_div_v_~cur~0_28_51 Int) (aux_mod_v_~cur~0_28_51 Int) (v_~prev~0_30 Int) (v_~cur~0_32 Int) (aux_mod_v_~next~0_24_56 Int)) (let ((.cse8 (* 2 v_~cur~0_32))) (or (< (+ aux_mod_v_~next~0_24_56 (* 2 aux_mod_v_~cur~0_28_51) c_~i~0 11) (+ .cse8 c_~prev~0 (* 2 aux_div_v_~next~0_24_56) (* v_~prev~0_30 3) (* aux_div_v_~cur~0_28_51 4) c_~cur~0)) (< v_~prev~0_30 (+ c_~prev~0 v_~cur~0_32 c_~cur~0)) (< v_~cur~0_32 (+ (* 2 c_~cur~0) c_~prev~0)) (> 0 aux_mod_v_~cur~0_28_51) (<= (+ v_~prev~0_30 (* 5 aux_div_v_~next~0_24_56) (* 2 aux_div_v_~cur~0_28_51)) (+ 23 (* aux_mod_v_~next~0_24_56 2) aux_mod_v_~cur~0_28_51 (* 2 c_~i~0))) (> 0 aux_mod_v_~next~0_24_56) (< aux_div_v_~cur~0_28_51 (+ .cse8 c_~prev~0 1 c_~cur~0)) (>= aux_mod_v_~next~0_24_56 2) (>= aux_mod_v_~cur~0_28_51 2)))) (forall ((aux_div_v_~next~0_24_56 Int) (aux_div_v_~cur~0_28_51 Int) (aux_mod_v_~cur~0_28_51 Int) (v_~prev~0_30 Int) (v_~cur~0_32 Int) (aux_mod_v_~next~0_24_56 Int)) (let ((.cse9 (* 2 v_~cur~0_32))) (or (< v_~prev~0_30 (+ c_~prev~0 v_~cur~0_32 c_~cur~0)) (< v_~cur~0_32 (+ (* 2 c_~cur~0) c_~prev~0)) (<= (+ v_~prev~0_30 (* 5 aux_div_v_~next~0_24_56) (* 2 aux_div_v_~cur~0_28_51)) (+ 23 (* aux_mod_v_~next~0_24_56 2) aux_mod_v_~cur~0_28_51 (* v_~j~0_16 2))) (> 0 aux_mod_v_~cur~0_28_51) (< (+ aux_mod_v_~next~0_24_56 v_~j~0_16 (* 2 aux_mod_v_~cur~0_28_51) 11) (+ .cse9 c_~prev~0 (* 2 aux_div_v_~next~0_24_56) (* v_~prev~0_30 3) (* aux_div_v_~cur~0_28_51 4) c_~cur~0)) (> 0 aux_mod_v_~next~0_24_56) (< aux_div_v_~cur~0_28_51 (+ .cse9 c_~prev~0 1 c_~cur~0)) (>= aux_mod_v_~next~0_24_56 2) (>= aux_mod_v_~cur~0_28_51 2))))))) (< c_~i~0 .cse2) (forall ((aux_div_v_~next~0_24_56 Int) (aux_div_v_~cur~0_28_51 Int) (aux_mod_v_~cur~0_28_51 Int) (v_~prev~0_30 Int) (v_~cur~0_32 Int) (aux_mod_v_~next~0_24_56 Int)) (let ((.cse10 (* 2 v_~cur~0_32))) (or (< v_~prev~0_30 (+ c_~prev~0 v_~cur~0_32 c_~cur~0)) (< v_~cur~0_32 (+ (* 2 c_~cur~0) c_~prev~0)) (<= (+ v_~prev~0_30 (* 5 aux_div_v_~next~0_24_56) (* 2 aux_div_v_~cur~0_28_51)) (+ 23 (* aux_mod_v_~next~0_24_56 2) aux_mod_v_~cur~0_28_51 (* 2 c_~j~0))) (> 0 aux_mod_v_~cur~0_28_51) (< (+ aux_mod_v_~next~0_24_56 (* 2 aux_mod_v_~cur~0_28_51) c_~j~0 11) (+ .cse10 c_~prev~0 (* 2 aux_div_v_~next~0_24_56) (* v_~prev~0_30 3) (* aux_div_v_~cur~0_28_51 4) c_~cur~0)) (> 0 aux_mod_v_~next~0_24_56) (< aux_div_v_~cur~0_28_51 (+ .cse10 c_~prev~0 1 c_~cur~0)) (>= aux_mod_v_~next~0_24_56 2) (>= aux_mod_v_~cur~0_28_51 2)))) (<= .cse11 .cse4) (< c_~i~0 c_~next~0) (< c_~i~0 .cse12) (<= .cse13 .cse14) (< c_~i~0 |c_ULTIMATE.start_main_~correct~0#1|) (forall ((aux_div_v_~next~0_24_56 Int) (aux_mod_v_~next~0_24_56 Int)) (or (<= (+ (* 5 aux_div_v_~next~0_24_56) c_~cur~0) (+ 22 (* aux_mod_v_~next~0_24_56 2) (* 2 c_~i~0))) (not (<= (+ (* 2 c_~cur~0) c_~prev~0 (* 2 aux_div_v_~next~0_24_56)) (+ aux_mod_v_~next~0_24_56 9 c_~i~0))) (> 0 aux_mod_v_~next~0_24_56) (>= aux_mod_v_~next~0_24_56 2))) (<= (div (+ (- 7) c_~prev~0 .cse3 c_~cur~0) (- 2)) .cse7) (< c_~j~0 .cse15) (forall ((v_~prev~0_30 Int)) (or (and (forall ((aux_div_v_~next~0_24_56 Int) (aux_div_v_~cur~0_28_51 Int) (aux_mod_v_~cur~0_28_51 Int) (aux_mod_v_~next~0_24_56 Int)) (or (< aux_div_v_~cur~0_28_51 (+ c_~prev~0 1 c_~cur~0)) (<= (+ v_~prev~0_30 (* 5 aux_div_v_~next~0_24_56) (* 2 aux_div_v_~cur~0_28_51)) (+ 23 (* aux_mod_v_~next~0_24_56 2) aux_mod_v_~cur~0_28_51 (* 2 c_~j~0))) (> 0 aux_mod_v_~cur~0_28_51) (> 0 aux_mod_v_~next~0_24_56) (< (+ aux_mod_v_~next~0_24_56 (* 2 aux_mod_v_~cur~0_28_51) c_~j~0 11) (+ c_~prev~0 (* 2 aux_div_v_~next~0_24_56) (* v_~prev~0_30 3) (* aux_div_v_~cur~0_28_51 4) c_~cur~0)) (>= aux_mod_v_~next~0_24_56 2) (>= aux_mod_v_~cur~0_28_51 2))) (forall ((aux_div_v_~next~0_24_56 Int) (aux_div_v_~cur~0_28_51 Int) (aux_mod_v_~cur~0_28_51 Int) (aux_mod_v_~next~0_24_56 Int)) (or (< aux_div_v_~cur~0_28_51 (+ c_~prev~0 1 c_~cur~0)) (< (+ aux_mod_v_~next~0_24_56 (* 2 aux_mod_v_~cur~0_28_51) c_~i~0 11) (+ c_~prev~0 (* 2 aux_div_v_~next~0_24_56) (* v_~prev~0_30 3) (* aux_div_v_~cur~0_28_51 4) c_~cur~0)) (> 0 aux_mod_v_~cur~0_28_51) (<= (+ v_~prev~0_30 (* 5 aux_div_v_~next~0_24_56) (* 2 aux_div_v_~cur~0_28_51)) (+ 23 (* aux_mod_v_~next~0_24_56 2) aux_mod_v_~cur~0_28_51 (* 2 c_~i~0))) (> 0 aux_mod_v_~next~0_24_56) (>= aux_mod_v_~next~0_24_56 2) (>= aux_mod_v_~cur~0_28_51 2)))) (not (<= c_~cur~0 v_~prev~0_30)))) (forall ((v_~cur~0_28 Int) (aux_div_v_~next~0_24_56 Int) (aux_mod_v_~next~0_24_56 Int)) (or (< v_~cur~0_28 (+ (* 2 c_~cur~0) c_~prev~0)) (<= (+ (* 5 aux_div_v_~next~0_24_56) v_~cur~0_28) (+ 22 (* aux_mod_v_~next~0_24_56 2) (* 2 c_~i~0))) (> 0 aux_mod_v_~next~0_24_56) (< (+ aux_mod_v_~next~0_24_56 9 c_~i~0) (+ c_~prev~0 (* 2 v_~cur~0_28) (* 2 aux_div_v_~next~0_24_56) c_~cur~0)) (>= aux_mod_v_~next~0_24_56 2))) (< c_~i~0 |c_ULTIMATE.start_fib_#res#1|) (forall ((aux_div_v_~next~0_24_56 Int) (aux_mod_v_~next~0_24_56 Int)) (or (not (<= (+ (* 2 c_~cur~0) c_~prev~0 (* 2 aux_div_v_~next~0_24_56)) (+ aux_mod_v_~next~0_24_56 c_~j~0 9))) (<= (+ (* 5 aux_div_v_~next~0_24_56) c_~cur~0) (+ 22 (* aux_mod_v_~next~0_24_56 2) (* 2 c_~j~0))) (> 0 aux_mod_v_~next~0_24_56) (>= aux_mod_v_~next~0_24_56 2))) (< c_~j~0 .cse12) (< (div (+ (- 1) c_~prev~0 .cse6) (- 2)) .cse4) (forall ((aux_div_v_~next~0_24_56 Int) (aux_div_v_~cur~0_28_51 Int) (aux_mod_v_~cur~0_28_51 Int) (v_~prev~0_30 Int) (v_~cur~0_32 Int) (aux_mod_v_~next~0_24_56 Int)) (let ((.cse16 (* 2 v_~cur~0_32))) (or (< (+ aux_mod_v_~next~0_24_56 (* 2 aux_mod_v_~cur~0_28_51) c_~i~0 11) (+ .cse16 c_~prev~0 (* 2 aux_div_v_~next~0_24_56) (* v_~prev~0_30 3) (* aux_div_v_~cur~0_28_51 4) c_~cur~0)) (< v_~prev~0_30 (+ c_~prev~0 v_~cur~0_32 c_~cur~0)) (< v_~cur~0_32 (+ (* 2 c_~cur~0) c_~prev~0)) (> 0 aux_mod_v_~cur~0_28_51) (<= (+ v_~prev~0_30 (* 5 aux_div_v_~next~0_24_56) (* 2 aux_div_v_~cur~0_28_51)) (+ 23 (* aux_mod_v_~next~0_24_56 2) aux_mod_v_~cur~0_28_51 (* 2 c_~i~0))) (> 0 aux_mod_v_~next~0_24_56) (< aux_div_v_~cur~0_28_51 (+ .cse16 c_~prev~0 1 c_~cur~0)) (>= aux_mod_v_~next~0_24_56 2) (>= aux_mod_v_~cur~0_28_51 2)))) (< c_~j~0 .cse17) (forall ((v_~cur~0_32 Int)) (or (and (forall ((aux_div_v_~next~0_24_56 Int) (aux_div_v_~cur~0_28_51 Int) (aux_mod_v_~cur~0_28_51 Int) (v_~prev~0_30 Int) (aux_mod_v_~next~0_24_56 Int)) (let ((.cse18 (* 2 v_~cur~0_32))) (or (> 0 aux_mod_v_~cur~0_28_51) (< (+ aux_mod_v_~next~0_24_56 (* 2 aux_mod_v_~cur~0_28_51) c_~i~0 11) (+ .cse18 (* 2 aux_div_v_~next~0_24_56) (* v_~prev~0_30 3) (* aux_div_v_~cur~0_28_51 4) c_~cur~0)) (<= (+ v_~prev~0_30 (* 5 aux_div_v_~next~0_24_56) (* 2 aux_div_v_~cur~0_28_51)) (+ 23 (* aux_mod_v_~next~0_24_56 2) aux_mod_v_~cur~0_28_51 (* 2 c_~i~0))) (< aux_div_v_~cur~0_28_51 (+ .cse18 1 c_~cur~0)) (> 0 aux_mod_v_~next~0_24_56) (>= aux_mod_v_~next~0_24_56 2) (>= aux_mod_v_~cur~0_28_51 2) (< v_~prev~0_30 (+ v_~cur~0_32 c_~cur~0))))) (forall ((aux_div_v_~next~0_24_56 Int) (aux_div_v_~cur~0_28_51 Int) (aux_mod_v_~cur~0_28_51 Int) (v_~prev~0_30 Int) (aux_mod_v_~next~0_24_56 Int)) (let ((.cse19 (* 2 v_~cur~0_32))) (or (<= (+ v_~prev~0_30 (* 5 aux_div_v_~next~0_24_56) (* 2 aux_div_v_~cur~0_28_51)) (+ 23 (* aux_mod_v_~next~0_24_56 2) aux_mod_v_~cur~0_28_51 (* 2 c_~j~0))) (> 0 aux_mod_v_~cur~0_28_51) (< (+ aux_mod_v_~next~0_24_56 (* 2 aux_mod_v_~cur~0_28_51) c_~j~0 11) (+ .cse19 (* 2 aux_div_v_~next~0_24_56) (* v_~prev~0_30 3) (* aux_div_v_~cur~0_28_51 4) c_~cur~0)) (< aux_div_v_~cur~0_28_51 (+ .cse19 1 c_~cur~0)) (> 0 aux_mod_v_~next~0_24_56) (>= aux_mod_v_~next~0_24_56 2) (>= aux_mod_v_~cur~0_28_51 2) (< v_~prev~0_30 (+ v_~cur~0_32 c_~cur~0)))))) (< v_~cur~0_32 (+ c_~prev~0 c_~cur~0)))) (<= .cse20 .cse4) (forall ((v_~cur~0_28 Int)) (or (< v_~cur~0_28 (+ c_~prev~0 c_~cur~0)) (and (forall ((aux_div_v_~next~0_24_56 Int) (aux_mod_v_~next~0_24_56 Int)) (or (<= (+ (* 5 aux_div_v_~next~0_24_56) v_~cur~0_28) (+ 22 (* aux_mod_v_~next~0_24_56 2) (* 2 c_~i~0))) (> 0 aux_mod_v_~next~0_24_56) (>= aux_mod_v_~next~0_24_56 2) (< (+ aux_mod_v_~next~0_24_56 9 c_~i~0) (+ (* 2 v_~cur~0_28) (* 2 aux_div_v_~next~0_24_56) c_~cur~0)))) (forall ((aux_div_v_~next~0_24_56 Int) (aux_mod_v_~next~0_24_56 Int)) (or (<= (+ (* 5 aux_div_v_~next~0_24_56) v_~cur~0_28) (+ 22 (* aux_mod_v_~next~0_24_56 2) (* 2 c_~j~0))) (> 0 aux_mod_v_~next~0_24_56) (>= aux_mod_v_~next~0_24_56 2) (< (+ aux_mod_v_~next~0_24_56 c_~j~0 9) (+ (* 2 v_~cur~0_28) (* 2 aux_div_v_~next~0_24_56) c_~cur~0))))))) (< c_~j~0 |c_ULTIMATE.start_fib_#res#1|) (<= 0 c_~prev~0) (<= .cse11 .cse21) (<= .cse13 .cse1) (<= (div (+ (- 9) .cse6 c_~next~0 c_~cur~0) (- 2)) .cse5) (< c_~j~0 c_~cur~0) (< c_~i~0 c_~prev~0) (< c_~j~0 c_~prev~0) (<= .cse0 .cse14) (<= .cse20 .cse21) (forall ((aux_div_v_~next~0_24_56 Int) (aux_div_v_~cur~0_28_51 Int) (aux_mod_v_~cur~0_28_51 Int) (v_~prev~0_30 Int) (aux_mod_v_~next~0_24_56 Int)) (let ((.cse22 (* 2 c_~cur~0))) (or (< aux_div_v_~cur~0_28_51 (+ .cse22 c_~prev~0 1)) (< (+ aux_mod_v_~next~0_24_56 (* 2 aux_mod_v_~cur~0_28_51) c_~i~0 11) (+ .cse22 c_~prev~0 (* 2 aux_div_v_~next~0_24_56) (* v_~prev~0_30 3) (* aux_div_v_~cur~0_28_51 4))) (> 0 aux_mod_v_~cur~0_28_51) (<= (+ v_~prev~0_30 (* 5 aux_div_v_~next~0_24_56) (* 2 aux_div_v_~cur~0_28_51)) (+ 23 (* aux_mod_v_~next~0_24_56 2) aux_mod_v_~cur~0_28_51 (* 2 c_~i~0))) (< v_~prev~0_30 (+ c_~prev~0 c_~cur~0)) (> 0 aux_mod_v_~next~0_24_56) (>= aux_mod_v_~next~0_24_56 2) (>= aux_mod_v_~cur~0_28_51 2)))) (forall ((aux_div_v_~next~0_24_56 Int) (aux_div_v_~cur~0_28_51 Int) (aux_mod_v_~cur~0_28_51 Int) (v_~prev~0_30 Int) (aux_mod_v_~next~0_24_56 Int)) (let ((.cse23 (* 2 c_~cur~0))) (or (< aux_div_v_~cur~0_28_51 (+ .cse23 c_~prev~0 1)) (< (+ aux_mod_v_~next~0_24_56 (* 2 aux_mod_v_~cur~0_28_51) c_~j~0 11) (+ .cse23 c_~prev~0 (* 2 aux_div_v_~next~0_24_56) (* v_~prev~0_30 3) (* aux_div_v_~cur~0_28_51 4))) (<= (+ v_~prev~0_30 (* 5 aux_div_v_~next~0_24_56) (* 2 aux_div_v_~cur~0_28_51)) (+ 23 (* aux_mod_v_~next~0_24_56 2) aux_mod_v_~cur~0_28_51 (* 2 c_~j~0))) (> 0 aux_mod_v_~cur~0_28_51) (< v_~prev~0_30 (+ c_~prev~0 c_~cur~0)) (> 0 aux_mod_v_~next~0_24_56) (>= aux_mod_v_~next~0_24_56 2) (>= aux_mod_v_~cur~0_28_51 2)))) (< c_~j~0 c_~next~0) (< c_~i~0 .cse17) (< c_~i~0 .cse15) (<= 1 c_~cur~0)))) is different from false [2022-02-11 07:36:06,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:36:06,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 07:36:06,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 07:36:06,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 07:36:06,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-11 07:36:06,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-02-11 07:36:06,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 07:36:06,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,ResultService [2022-02-11 07:36:06,462 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 07:36:06,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 07:36:06,462 INFO L85 PathProgramCache]: Analyzing trace with hash -240107661, now seen corresponding path program 1 times [2022-02-11 07:36:06,462 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 07:36:06,462 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70293790] [2022-02-11 07:36:06,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 07:36:06,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 07:36:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 07:36:06,520 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2022-02-11 07:36:06,520 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 07:36:06,521 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70293790] [2022-02-11 07:36:06,521 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70293790] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 07:36:06,521 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045482638] [2022-02-11 07:36:06,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 07:36:06,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 07:36:06,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 07:36:06,522 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 07:36:06,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-11 07:36:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 07:36:06,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-11 07:36:06,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 07:36:06,810 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2022-02-11 07:36:06,810 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 07:36:06,995 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2022-02-11 07:36:06,995 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045482638] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 07:36:06,995 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 07:36:06,995 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-11 07:36:06,995 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363718492] [2022-02-11 07:36:06,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 07:36:06,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-11 07:36:06,996 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 07:36:06,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-11 07:36:06,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-11 07:36:06,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:36:06,997 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 07:36:06,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 07:36:06,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:36:06,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 07:36:06,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 07:36:06,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-11 07:36:06,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-02-11 07:36:06,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-02-11 07:36:06,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 07:36:06,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:36:07,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:36:07,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 07:36:07,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 07:36:07,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 07:36:07,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-11 07:36:07,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-02-11 07:36:07,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 07:36:07,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 07:36:07,166 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-11 07:36:07,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,ResultService,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 07:36:07,350 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 07:36:07,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 07:36:07,351 INFO L85 PathProgramCache]: Analyzing trace with hash -440658106, now seen corresponding path program 1 times [2022-02-11 07:36:07,351 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 07:36:07,351 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814877974] [2022-02-11 07:36:07,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 07:36:07,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 07:36:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 07:36:10,074 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:36:10,075 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 07:36:10,075 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814877974] [2022-02-11 07:36:10,075 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814877974] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 07:36:10,075 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290897431] [2022-02-11 07:36:10,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 07:36:10,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 07:36:10,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 07:36:10,077 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 07:36:10,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-11 07:36:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 07:36:10,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 43 conjunts are in the unsatisfiable core [2022-02-11 07:36:10,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 07:36:17,300 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 335 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:36:17,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 07:38:49,836 WARN L230 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-02-11 07:38:49,837 WARN L325 FreeRefinementEngine]: Global settings require throwing the following exception [2022-02-11 07:38:49,847 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 101 [2022-02-11 07:38:49,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-11 07:38:50,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 07:38:50,038 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:620) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:370) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:649) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:193) 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.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:611) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) 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:64) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:417) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:308) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 54 more [2022-02-11 07:38:50,041 INFO L158 Benchmark]: Toolchain (without parser) took 519696.83ms. Allocated memory was 168.8MB in the beginning and 249.6MB in the end (delta: 80.7MB). Free memory was 116.0MB in the beginning and 97.3MB in the end (delta: 18.7MB). Peak memory consumption was 100.5MB. Max. memory is 8.0GB. [2022-02-11 07:38:50,042 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 168.8MB. Free memory was 133.6MB in the beginning and 133.5MB in the end (delta: 68.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 07:38:50,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.00ms. Allocated memory is still 168.8MB. Free memory was 115.8MB in the beginning and 133.8MB in the end (delta: -18.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-11 07:38:50,042 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.94ms. Allocated memory is still 168.8MB. Free memory was 133.8MB in the beginning and 131.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-11 07:38:50,042 INFO L158 Benchmark]: Boogie Preprocessor took 42.96ms. Allocated memory is still 168.8MB. Free memory was 131.6MB in the beginning and 130.2MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-11 07:38:50,042 INFO L158 Benchmark]: RCFGBuilder took 309.66ms. Allocated memory is still 168.8MB. Free memory was 130.2MB in the beginning and 117.0MB in the end (delta: 13.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-11 07:38:50,042 INFO L158 Benchmark]: TraceAbstraction took 518837.10ms. Allocated memory was 168.8MB in the beginning and 249.6MB in the end (delta: 80.7MB). Free memory was 116.8MB in the beginning and 97.3MB in the end (delta: 19.5MB). Peak memory consumption was 101.9MB. Max. memory is 8.0GB. [2022-02-11 07:38:50,043 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 168.8MB. Free memory was 133.6MB in the beginning and 133.5MB in the end (delta: 68.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 455.00ms. Allocated memory is still 168.8MB. Free memory was 115.8MB in the beginning and 133.8MB in the end (delta: -18.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.94ms. Allocated memory is still 168.8MB. Free memory was 133.8MB in the beginning and 131.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.96ms. Allocated memory is still 168.8MB. Free memory was 131.6MB in the beginning and 130.2MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 309.66ms. Allocated memory is still 168.8MB. Free memory was 130.2MB in the beginning and 117.0MB in the end (delta: 13.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 518837.10ms. Allocated memory was 168.8MB in the beginning and 249.6MB in the end (delta: 80.7MB). Free memory was 116.8MB in the beginning and 97.3MB in the end (delta: 19.5MB). Peak memory consumption was 101.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-02-11 07:38:50,069 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 Received shutdown request...