/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/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stack_longer-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 16:39:23,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 16:39:23,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 16:39:23,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 16:39:23,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 16:39:23,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 16:39:23,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 16:39:23,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 16:39:23,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 16:39:23,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 16:39:23,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 16:39:23,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 16:39:23,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 16:39:23,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 16:39:23,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 16:39:23,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 16:39:23,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 16:39:23,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 16:39:23,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 16:39:23,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 16:39:23,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 16:39:23,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 16:39:23,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 16:39:23,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 16:39:23,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 16:39:23,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 16:39:23,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 16:39:23,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 16:39:23,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 16:39:23,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 16:39:23,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 16:39:23,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 16:39:23,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 16:39:23,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 16:39:23,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 16:39:23,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 16:39:23,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 16:39:23,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 16:39:23,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 16:39:23,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 16:39:23,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 16:39:23,199 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 16:39:23,230 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 16:39:23,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 16:39:23,230 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 16:39:23,230 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 16:39:23,231 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 16:39:23,231 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 16:39:23,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 16:39:23,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 16:39:23,232 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 16:39:23,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 16:39:23,233 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 16:39:23,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 16:39:23,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 16:39:23,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 16:39:23,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 16:39:23,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 16:39:23,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 16:39:23,233 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 16:39:23,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 16:39:23,234 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 16:39:23,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 16:39:23,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 16:39:23,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 16:39:23,234 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 16:39:23,234 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 16:39:23,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 16:39:23,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 16:39:23,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 16:39:23,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 16:39:23,235 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 16:39:23,235 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 16:39:23,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 16:39:23,235 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 16:39:23,235 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 16:39:23,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 16:39:23,236 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 16:39:23,236 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-04 16:39:23,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 16:39:23,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 16:39:23,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 16:39:23,460 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 16:39:23,461 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 16:39:23,462 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longer-1.i [2023-05-04 16:39:23,511 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/982442657/112c898b2c624b53a7fcc6e2cba3a6dc/FLAGa39fd2299 [2023-05-04 16:39:23,984 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 16:39:23,984 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-1.i [2023-05-04 16:39:24,016 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/982442657/112c898b2c624b53a7fcc6e2cba3a6dc/FLAGa39fd2299 [2023-05-04 16:39:24,490 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/982442657/112c898b2c624b53a7fcc6e2cba3a6dc [2023-05-04 16:39:24,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 16:39:24,493 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 16:39:24,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 16:39:24,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 16:39:24,514 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 16:39:24,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 04:39:24" (1/1) ... [2023-05-04 16:39:24,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41a4a204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:39:24, skipping insertion in model container [2023-05-04 16:39:24,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 04:39:24" (1/1) ... [2023-05-04 16:39:24,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 16:39:24,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 16:39:24,863 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/stack_longer-1.i[41527,41540] [2023-05-04 16:39:24,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 16:39:24,895 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 16:39:24,951 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/stack_longer-1.i[41527,41540] [2023-05-04 16:39:24,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 16:39:25,025 INFO L208 MainTranslator]: Completed translation [2023-05-04 16:39:25,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:39:25 WrapperNode [2023-05-04 16:39:25,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 16:39:25,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 16:39:25,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 16:39:25,027 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 16:39:25,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:39:25" (1/1) ... [2023-05-04 16:39:25,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:39:25" (1/1) ... [2023-05-04 16:39:25,093 INFO L138 Inliner]: procedures = 277, calls = 41, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 157 [2023-05-04 16:39:25,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 16:39:25,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 16:39:25,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 16:39:25,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 16:39:25,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:39:25" (1/1) ... [2023-05-04 16:39:25,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:39:25" (1/1) ... [2023-05-04 16:39:25,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:39:25" (1/1) ... [2023-05-04 16:39:25,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:39:25" (1/1) ... [2023-05-04 16:39:25,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:39:25" (1/1) ... [2023-05-04 16:39:25,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:39:25" (1/1) ... [2023-05-04 16:39:25,119 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:39:25" (1/1) ... [2023-05-04 16:39:25,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:39:25" (1/1) ... [2023-05-04 16:39:25,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 16:39:25,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 16:39:25,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 16:39:25,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 16:39:25,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:39:25" (1/1) ... [2023-05-04 16:39:25,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 16:39:25,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:39:25,154 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) [2023-05-04 16:39:25,180 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 [2023-05-04 16:39:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-05-04 16:39:25,194 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-05-04 16:39:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-05-04 16:39:25,194 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-05-04 16:39:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 16:39:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 16:39:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 16:39:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 16:39:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-05-04 16:39:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 16:39:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 16:39:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 16:39:25,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 16:39:25,197 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 16:39:25,306 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 16:39:25,308 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 16:39:25,537 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 16:39:25,545 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 16:39:25,545 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-04 16:39:25,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 04:39:25 BoogieIcfgContainer [2023-05-04 16:39:25,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 16:39:25,557 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 16:39:25,557 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 16:39:25,563 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 16:39:25,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 04:39:24" (1/3) ... [2023-05-04 16:39:25,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@235ee75d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 04:39:25, skipping insertion in model container [2023-05-04 16:39:25,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:39:25" (2/3) ... [2023-05-04 16:39:25,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@235ee75d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 04:39:25, skipping insertion in model container [2023-05-04 16:39:25,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 04:39:25" (3/3) ... [2023-05-04 16:39:25,565 INFO L112 eAbstractionObserver]: Analyzing ICFG stack_longer-1.i [2023-05-04 16:39:25,572 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 16:39:25,577 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 16:39:25,578 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-05-04 16:39:25,578 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 16:39:25,670 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 16:39:25,710 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 16:39:25,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 16:39:25,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:39:25,717 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) [2023-05-04 16:39:25,719 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 [2023-05-04 16:39:25,760 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 16:39:25,777 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Thread1of1ForFork0 ======== [2023-05-04 16:39:25,782 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@514b9007, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 16:39:25,783 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-05-04 16:39:26,027 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 16:39:26,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:39:26,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1480705474, now seen corresponding path program 1 times [2023-05-04 16:39:26,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:39:26,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929369111] [2023-05-04 16:39:26,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:39:26,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:39:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:39:26,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:39:26,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:39:26,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929369111] [2023-05-04 16:39:26,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929369111] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 16:39:26,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 16:39:26,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 16:39:26,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067687944] [2023-05-04 16:39:26,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 16:39:26,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 16:39:26,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:39:26,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 16:39:26,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 16:39:26,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:26,349 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:39:26,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 40.0) internal successors, (80), 2 states have internal predecessors, (80), 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) [2023-05-04 16:39:26,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:26,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:26,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 16:39:26,372 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 16:39:26,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:39:26,373 INFO L85 PathProgramCache]: Analyzing trace with hash -834452216, now seen corresponding path program 1 times [2023-05-04 16:39:26,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:39:26,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189274745] [2023-05-04 16:39:26,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:39:26,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:39:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:39:26,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:39:26,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:39:26,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189274745] [2023-05-04 16:39:26,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189274745] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 16:39:26,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 16:39:26,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 16:39:26,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289464784] [2023-05-04 16:39:26,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 16:39:26,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 16:39:26,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:39:26,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 16:39:26,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 16:39:26,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:26,522 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:39:26,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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) [2023-05-04 16:39:26,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:26,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:26,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:26,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:26,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 16:39:26,669 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 16:39:26,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:39:26,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1452061956, now seen corresponding path program 1 times [2023-05-04 16:39:26,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:39:26,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33229171] [2023-05-04 16:39:26,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:39:26,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:39:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:39:26,987 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 16:39:26,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:39:26,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33229171] [2023-05-04 16:39:26,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33229171] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 16:39:26,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 16:39:26,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 16:39:26,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581466186] [2023-05-04 16:39:26,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 16:39:26,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 16:39:26,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:39:26,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 16:39:26,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 16:39:26,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:26,993 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:39:26,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 16:39:26,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:26,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:26,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:27,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:27,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 16:39:27,083 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 16:39:27,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:39:27,084 INFO L85 PathProgramCache]: Analyzing trace with hash -205547298, now seen corresponding path program 1 times [2023-05-04 16:39:27,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:39:27,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467164182] [2023-05-04 16:39:27,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:39:27,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:39:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:39:27,228 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-04 16:39:27,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:39:27,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467164182] [2023-05-04 16:39:27,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467164182] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 16:39:27,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 16:39:27,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 16:39:27,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240743133] [2023-05-04 16:39:27,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 16:39:27,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 16:39:27,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:39:27,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 16:39:27,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 16:39:27,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:27,231 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:39:27,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) [2023-05-04 16:39:27,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:27,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:27,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:27,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:27,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:27,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:27,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:27,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-04 16:39:27,273 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 16:39:27,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:39:27,274 INFO L85 PathProgramCache]: Analyzing trace with hash 493182226, now seen corresponding path program 1 times [2023-05-04 16:39:27,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:39:27,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262675580] [2023-05-04 16:39:27,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:39:27,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:39:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:39:27,444 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 37 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:39:27,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:39:27,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262675580] [2023-05-04 16:39:27,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262675580] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:39:27,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723550807] [2023-05-04 16:39:27,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:39:27,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:39:27,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:39:27,449 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) [2023-05-04 16:39:27,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 16:39:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:39:27,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-04 16:39:27,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:39:27,738 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 37 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:39:27,738 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:39:27,825 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 37 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:39:27,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [723550807] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:39:27,826 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:39:27,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-05-04 16:39:27,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594514678] [2023-05-04 16:39:27,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:39:27,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-04 16:39:27,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:39:27,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-04 16:39:27,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-05-04 16:39:27,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:27,830 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:39:27,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 23.1) internal successors, (231), 10 states have internal predecessors, (231), 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) [2023-05-04 16:39:27,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:27,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:27,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:27,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:27,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:27,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:27,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:27,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:27,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:27,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:39:27,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-04 16:39:28,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:39:28,133 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 16:39:28,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:39:28,134 INFO L85 PathProgramCache]: Analyzing trace with hash -355743086, now seen corresponding path program 2 times [2023-05-04 16:39:28,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:39:28,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929624294] [2023-05-04 16:39:28,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:39:28,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:39:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:39:28,286 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2023-05-04 16:39:28,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:39:28,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929624294] [2023-05-04 16:39:28,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929624294] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 16:39:28,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 16:39:28,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 16:39:28,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232681108] [2023-05-04 16:39:28,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 16:39:28,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 16:39:28,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:39:28,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 16:39:28,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 16:39:28,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:28,288 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:39:28,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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) [2023-05-04 16:39:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:39:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:28,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:28,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:28,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:28,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:28,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:39:28,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 16:39:28,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-04 16:39:28,322 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 16:39:28,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:39:28,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1860025324, now seen corresponding path program 2 times [2023-05-04 16:39:28,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:39:28,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430327589] [2023-05-04 16:39:28,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:39:28,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:39:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:39:28,620 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 88 proven. 134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:39:28,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:39:28,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430327589] [2023-05-04 16:39:28,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430327589] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:39:28,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59300125] [2023-05-04 16:39:28,621 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 16:39:28,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:39:28,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:39:28,625 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) [2023-05-04 16:39:28,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 16:39:28,795 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 16:39:28,795 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 16:39:28,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-04 16:39:28,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:39:29,008 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 88 proven. 134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:39:29,009 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:39:29,264 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 88 proven. 134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:39:29,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [59300125] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:39:29,264 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:39:29,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2023-05-04 16:39:29,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627595652] [2023-05-04 16:39:29,265 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:39:29,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-05-04 16:39:29,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:39:29,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-05-04 16:39:29,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-05-04 16:39:29,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:29,267 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:39:29,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 23.444444444444443) internal successors, (422), 18 states have internal predecessors, (422), 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) [2023-05-04 16:39:29,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:29,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:29,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:29,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:29,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:39:29,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 16:39:29,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:29,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:29,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:29,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:29,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:29,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:39:29,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 16:39:29,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 16:39:29,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 16:39:29,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:39:29,689 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 16:39:29,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:39:29,690 INFO L85 PathProgramCache]: Analyzing trace with hash 306929900, now seen corresponding path program 3 times [2023-05-04 16:39:29,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:39:29,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275365329] [2023-05-04 16:39:29,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:39:29,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:39:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:39:30,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 220 proven. 1012 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:39:30,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:39:30,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275365329] [2023-05-04 16:39:30,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275365329] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:39:30,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774951001] [2023-05-04 16:39:30,769 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 16:39:30,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:39:30,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:39:30,771 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) [2023-05-04 16:39:30,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 16:39:30,934 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-05-04 16:39:30,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 16:39:30,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 3 conjunts are in the unsatisfiable core [2023-05-04 16:39:30,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:39:30,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2023-05-04 16:39:30,976 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 16:39:30,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774951001] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 16:39:30,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 16:39:30,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2023-05-04 16:39:30,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670722993] [2023-05-04 16:39:30,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 16:39:30,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 16:39:30,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:39:30,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 16:39:30,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2023-05-04 16:39:30,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:30,979 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:39:30,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 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) [2023-05-04 16:39:30,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:30,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:30,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:30,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:30,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:39:30,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 16:39:30,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 16:39:30,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:31,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:31,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:31,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:31,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:31,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:39:31,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 16:39:31,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 16:39:31,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:31,079 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 16:39:31,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:39:31,277 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 16:39:31,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:39:31,278 INFO L85 PathProgramCache]: Analyzing trace with hash -2118436280, now seen corresponding path program 1 times [2023-05-04 16:39:31,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:39:31,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816040373] [2023-05-04 16:39:31,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:39:31,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:39:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:39:32,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1946 backedges. 220 proven. 1726 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:39:32,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:39:32,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816040373] [2023-05-04 16:39:32,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816040373] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:39:32,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319235238] [2023-05-04 16:39:32,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:39:32,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:39:32,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:39:32,453 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) [2023-05-04 16:39:32,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 16:39:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:39:32,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 1263 conjuncts, 30 conjunts are in the unsatisfiable core [2023-05-04 16:39:32,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:39:33,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1946 backedges. 28 proven. 7 refuted. 0 times theorem prover too weak. 1911 trivial. 0 not checked. [2023-05-04 16:39:33,591 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:39:34,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1946 backedges. 28 proven. 7 refuted. 0 times theorem prover too weak. 1911 trivial. 0 not checked. [2023-05-04 16:39:34,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319235238] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:39:34,435 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:39:34,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 6, 6] total 25 [2023-05-04 16:39:34,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984333545] [2023-05-04 16:39:34,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:39:34,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-05-04 16:39:34,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:39:34,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-05-04 16:39:34,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2023-05-04 16:39:34,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:34,440 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:39:34,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 36.4) internal successors, (910), 25 states have internal predecessors, (910), 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) [2023-05-04 16:39:34,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:34,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:34,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:34,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:34,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:39:34,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 16:39:34,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 16:39:34,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:34,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:35,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:35,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:35,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:35,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:35,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:39:35,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 16:39:35,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 16:39:35,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:35,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-04 16:39:35,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 16:39:35,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:39:35,804 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 16:39:35,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:39:35,804 INFO L85 PathProgramCache]: Analyzing trace with hash 409406856, now seen corresponding path program 2 times [2023-05-04 16:39:35,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:39:35,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392860910] [2023-05-04 16:39:35,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:39:35,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:39:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:39:37,319 INFO L134 CoverageAnalysis]: Checked inductivity of 3339 backedges. 945 proven. 2311 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-05-04 16:39:37,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:39:37,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392860910] [2023-05-04 16:39:37,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392860910] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:39:37,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029216006] [2023-05-04 16:39:37,320 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 16:39:37,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:39:37,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:39:37,321 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) [2023-05-04 16:39:37,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 16:39:37,651 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 16:39:37,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 16:39:37,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 1572 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-04 16:39:37,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:39:38,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3339 backedges. 945 proven. 2311 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-05-04 16:39:38,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:39:39,479 INFO L134 CoverageAnalysis]: Checked inductivity of 3339 backedges. 945 proven. 2311 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-05-04 16:39:39,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029216006] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:39:39,480 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:39:39,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 38 [2023-05-04 16:39:39,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66185574] [2023-05-04 16:39:39,481 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:39:39,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-05-04 16:39:39,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:39:39,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-05-04 16:39:39,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=380, Invalid=1026, Unknown=0, NotChecked=0, Total=1406 [2023-05-04 16:39:39,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:39,484 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:39:39,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 40.39473684210526) internal successors, (1535), 38 states have internal predecessors, (1535), 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) [2023-05-04 16:39:39,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:39,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:39,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:39,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:39,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:39:39,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 16:39:39,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 16:39:39,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:39,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-04 16:39:39,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:40,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:40,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:40,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:40,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:40,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:39:40,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 16:39:40,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 16:39:40,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:40,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-05-04 16:39:40,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 16:39:40,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 16:39:40,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:39:40,537 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 16:39:40,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:39:40,537 INFO L85 PathProgramCache]: Analyzing trace with hash -2117008952, now seen corresponding path program 3 times [2023-05-04 16:39:40,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:39:40,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021656312] [2023-05-04 16:39:40,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:39:40,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:39:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:39:46,088 INFO L134 CoverageAnalysis]: Checked inductivity of 13500 backedges. 2016 proven. 11401 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-05-04 16:39:46,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:39:46,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021656312] [2023-05-04 16:39:46,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021656312] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:39:46,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [47066660] [2023-05-04 16:39:46,089 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 16:39:46,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:39:46,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:39:46,090 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) [2023-05-04 16:39:46,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 16:39:55,535 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2023-05-04 16:39:55,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 16:39:55,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 2931 conjuncts, 36 conjunts are in the unsatisfiable core [2023-05-04 16:39:55,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:39:57,135 INFO L134 CoverageAnalysis]: Checked inductivity of 13500 backedges. 2016 proven. 11401 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-05-04 16:39:57,135 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:39:59,607 INFO L134 CoverageAnalysis]: Checked inductivity of 13500 backedges. 2016 proven. 11401 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-05-04 16:39:59,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [47066660] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:39:59,608 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:39:59,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 74 [2023-05-04 16:39:59,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306799922] [2023-05-04 16:39:59,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:39:59,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2023-05-04 16:39:59,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:39:59,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2023-05-04 16:39:59,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1406, Invalid=3996, Unknown=0, NotChecked=0, Total=5402 [2023-05-04 16:39:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:59,616 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:39:59,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 41.41891891891892) internal successors, (3065), 74 states have internal predecessors, (3065), 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) [2023-05-04 16:39:59,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:39:59,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:59,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:59,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:59,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:39:59,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 16:39:59,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 16:39:59,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:39:59,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-05-04 16:39:59,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-04 16:39:59,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:40:02,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:40:02,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:40:02,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:40:02,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:40:02,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:40:02,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 16:40:02,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 16:40:02,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:40:02,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-05-04 16:40:02,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 16:40:02,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2023-05-04 16:40:02,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-04 16:40:02,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:40:02,429 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 16:40:02,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:40:02,429 INFO L85 PathProgramCache]: Analyzing trace with hash 2087950792, now seen corresponding path program 4 times [2023-05-04 16:40:02,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:40:02,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967621345] [2023-05-04 16:40:02,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:40:02,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:40:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:40:24,230 INFO L134 CoverageAnalysis]: Checked inductivity of 54477 backedges. 4158 proven. 50236 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-05-04 16:40:24,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:40:24,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967621345] [2023-05-04 16:40:24,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967621345] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:40:24,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548500380] [2023-05-04 16:40:24,231 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 16:40:24,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:40:24,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:40:24,237 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 16:40:24,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process Received shutdown request... [2023-05-04 16:53:48,380 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 16:53:48,380 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 16:53:48,380 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 16:53:49,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-04 16:53:49,431 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 0 [2023-05-04 16:53:49,582 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forcibly destroying the process [2023-05-04 16:53:49,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 137 [2023-05-04 16:53:49,623 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-05-04 16:53:49,623 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-05-04 16:53:49,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73] total 73 [2023-05-04 16:53:49,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990230030] [2023-05-04 16:53:49,624 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-05-04 16:53:49,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2023-05-04 16:53:49,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:53:49,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2023-05-04 16:53:49,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1368, Invalid=3888, Unknown=0, NotChecked=0, Total=5256 [2023-05-04 16:53:49,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:53:49,628 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:53:49,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 42.178082191780824) internal successors, (3079), 73 states have internal predecessors, (3079), 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) [2023-05-04 16:53:49,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:53:49,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:53:49,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:53:49,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:53:49,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 16:53:49,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 16:53:49,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 16:53:49,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 16:53:49,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-05-04 16:53:49,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-04 16:53:49,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2023-05-04 16:53:49,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:53:49,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-05-04 16:53:49,631 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2023-05-04 16:53:49,633 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-05-04 16:53:49,638 INFO L444 BasicCegarLoop]: Path program histogram: [4, 3, 2, 1, 1, 1] [2023-05-04 16:53:49,639 INFO L307 ceAbstractionStarter]: Result for error location t1Thread1of1ForFork0 was TIMEOUT (1/3) [2023-05-04 16:53:49,640 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 16:53:49,640 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 16:53:49,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 04:53:49 BasicIcfg [2023-05-04 16:53:49,642 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 16:53:49,643 INFO L158 Benchmark]: Toolchain (without parser) took 865149.85ms. Allocated memory was 202.4MB in the beginning and 1.1GB in the end (delta: 917.5MB). Free memory was 140.7MB in the beginning and 734.8MB in the end (delta: -594.1MB). Peak memory consumption was 324.3MB. Max. memory is 8.0GB. [2023-05-04 16:53:49,643 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 202.4MB. Free memory is still 159.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 16:53:49,643 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.42ms. Allocated memory is still 202.4MB. Free memory was 140.6MB in the beginning and 155.5MB in the end (delta: -15.0MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. [2023-05-04 16:53:49,643 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.90ms. Allocated memory is still 202.4MB. Free memory was 155.5MB in the beginning and 152.9MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-04 16:53:49,643 INFO L158 Benchmark]: Boogie Preprocessor took 28.79ms. Allocated memory is still 202.4MB. Free memory was 152.9MB in the beginning and 151.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 16:53:49,644 INFO L158 Benchmark]: RCFGBuilder took 423.78ms. Allocated memory is still 202.4MB. Free memory was 151.1MB in the beginning and 133.5MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-05-04 16:53:49,644 INFO L158 Benchmark]: TraceAbstraction took 864084.99ms. Allocated memory was 202.4MB in the beginning and 1.1GB in the end (delta: 917.5MB). Free memory was 132.2MB in the beginning and 734.8MB in the end (delta: -602.7MB). Peak memory consumption was 315.1MB. Max. memory is 8.0GB. [2023-05-04 16:53:49,645 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 202.4MB. Free memory is still 159.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 529.42ms. Allocated memory is still 202.4MB. Free memory was 140.6MB in the beginning and 155.5MB in the end (delta: -15.0MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 66.90ms. Allocated memory is still 202.4MB. Free memory was 155.5MB in the beginning and 152.9MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.79ms. Allocated memory is still 202.4MB. Free memory was 152.9MB in the beginning and 151.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 423.78ms. Allocated memory is still 202.4MB. Free memory was 151.1MB in the beginning and 133.5MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 864084.99ms. Allocated memory was 202.4MB in the beginning and 1.1GB in the end (delta: 917.5MB). Free memory was 132.2MB in the beginning and 734.8MB in the end (delta: -602.7MB). Peak memory consumption was 315.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19737, independent: 17775, independent conditional: 7477, independent unconditional: 10298, dependent: 1962, dependent conditional: 1941, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17960, independent: 17775, independent conditional: 7477, independent unconditional: 10298, dependent: 185, dependent conditional: 164, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17960, independent: 17775, independent conditional: 7477, independent unconditional: 10298, dependent: 185, dependent conditional: 164, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19032, independent: 17775, independent conditional: 0, independent unconditional: 17775, dependent: 1257, dependent conditional: 1072, dependent unconditional: 185, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19032, independent: 17775, independent conditional: 0, independent unconditional: 17775, dependent: 1257, dependent conditional: 164, dependent unconditional: 1093, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19032, independent: 17775, independent conditional: 0, independent unconditional: 17775, dependent: 1257, dependent conditional: 164, dependent unconditional: 1093, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8138, independent: 8115, independent conditional: 0, independent unconditional: 8115, dependent: 23, dependent conditional: 2, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8138, independent: 8110, independent conditional: 0, independent unconditional: 8110, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 28, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 23, dependent conditional: 2, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 23, dependent conditional: 2, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, independent: 62, independent conditional: 0, independent unconditional: 62, dependent: 74, dependent conditional: 7, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19032, independent: 9660, independent conditional: 0, independent unconditional: 9660, dependent: 1234, dependent conditional: 162, dependent unconditional: 1072, unknown: 8138, unknown conditional: 2, unknown unconditional: 8136] , Statistics on independence cache: Total cache size (in pairs): 8138, Positive cache size: 8115, Positive conditional cache size: 0, Positive unconditional cache size: 8115, Negative cache size: 23, Negative conditional cache size: 2, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 908, Maximal queried relation: 9, Independence queries for same thread: 1777 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 310, Number of trivial persistent sets: 267, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10319, independent: 10298, independent conditional: 0, independent unconditional: 10298, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19737, independent: 17775, independent conditional: 7477, independent unconditional: 10298, dependent: 1962, dependent conditional: 1941, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17960, independent: 17775, independent conditional: 7477, independent unconditional: 10298, dependent: 185, dependent conditional: 164, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17960, independent: 17775, independent conditional: 7477, independent unconditional: 10298, dependent: 185, dependent conditional: 164, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19032, independent: 17775, independent conditional: 0, independent unconditional: 17775, dependent: 1257, dependent conditional: 1072, dependent unconditional: 185, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19032, independent: 17775, independent conditional: 0, independent unconditional: 17775, dependent: 1257, dependent conditional: 164, dependent unconditional: 1093, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19032, independent: 17775, independent conditional: 0, independent unconditional: 17775, dependent: 1257, dependent conditional: 164, dependent unconditional: 1093, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8138, independent: 8115, independent conditional: 0, independent unconditional: 8115, dependent: 23, dependent conditional: 2, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8138, independent: 8110, independent conditional: 0, independent unconditional: 8110, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 28, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 23, dependent conditional: 2, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 23, dependent conditional: 2, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, independent: 62, independent conditional: 0, independent unconditional: 62, dependent: 74, dependent conditional: 7, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19032, independent: 9660, independent conditional: 0, independent unconditional: 9660, dependent: 1234, dependent conditional: 162, dependent unconditional: 1072, unknown: 8138, unknown conditional: 2, unknown unconditional: 8136] , Statistics on independence cache: Total cache size (in pairs): 8138, Positive cache size: 8115, Positive conditional cache size: 0, Positive unconditional cache size: 8115, Negative cache size: 23, Negative conditional cache size: 2, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 908, Maximal queried relation: 9, Independence queries for same thread: 1777 - TimeoutResultAtElement [Line: 940]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 290 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 863.9s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 5.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 281, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 10.5s SatisfiabilityAnalysisTime, 39.6s InterpolantComputationTime, 11699 NumberOfCodeBlocks, 11384 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 15180 ConstructedInterpolants, 0 QuantifiedInterpolants, 40018 SizeOfPredicates, 87 NumberOfNonLiveVariables, 6878 ConjunctsInSsa, 99 ConjunctsInUnsatCore, 23 InterpolantComputations, 6 PerfectInterpolantSequences, 19859/114388 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown