/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.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-5.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-16 06:59:21,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 06:59:21,171 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 06:59:21,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 06:59:21,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 06:59:21,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 06:59:21,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 06:59:21,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 06:59:21,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 06:59:21,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 06:59:21,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 06:59:21,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 06:59:21,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 06:59:21,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 06:59:21,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 06:59:21,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 06:59:21,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 06:59:21,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 06:59:21,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 06:59:21,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 06:59:21,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 06:59:21,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 06:59:21,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 06:59:21,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 06:59:21,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 06:59:21,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 06:59:21,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 06:59:21,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 06:59:21,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 06:59:21,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 06:59:21,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 06:59:21,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 06:59:21,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 06:59:21,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 06:59:21,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 06:59:21,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 06:59:21,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 06:59:21,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 06:59:21,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 06:59:21,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 06:59:21,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 06:59:21,254 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-16 06:59:21,279 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 06:59:21,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 06:59:21,280 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 06:59:21,280 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 06:59:21,281 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 06:59:21,281 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 06:59:21,281 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 06:59:21,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 06:59:21,282 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 06:59:21,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 06:59:21,282 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 06:59:21,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 06:59:21,283 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 06:59:21,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 06:59:21,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 06:59:21,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 06:59:21,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 06:59:21,283 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 06:59:21,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 06:59:21,283 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 06:59:21,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 06:59:21,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 06:59:21,283 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 06:59:21,284 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-16 06:59:21,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 06:59:21,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 06:59:21,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 06:59:21,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 06:59:21,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 06:59:21,285 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 06:59:21,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 06:59:21,285 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 06:59:21,285 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-16 06:59:21,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 06:59:21,285 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-16 06:59:21,285 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-16 06:59:21,286 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2022-11-16 06:59:21,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 06:59:21,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 06:59:21,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 06:59:21,498 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 06:59:21,504 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 06:59:21,505 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-5.wvr.c [2022-11-16 06:59:21,562 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b5467c05/b1360c433e7a4d019e223098fc17daa6/FLAGdf7edb564 [2022-11-16 06:59:21,917 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 06:59:21,918 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-5.wvr.c [2022-11-16 06:59:21,933 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b5467c05/b1360c433e7a4d019e223098fc17daa6/FLAGdf7edb564 [2022-11-16 06:59:21,952 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b5467c05/b1360c433e7a4d019e223098fc17daa6 [2022-11-16 06:59:21,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 06:59:21,956 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-16 06:59:21,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 06:59:21,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 06:59:21,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 06:59:21,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:59:21" (1/1) ... [2022-11-16 06:59:21,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f16eec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:59:21, skipping insertion in model container [2022-11-16 06:59:21,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:59:21" (1/1) ... [2022-11-16 06:59:21,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 06:59:21,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 06:59:22,171 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-5.wvr.c[2644,2657] [2022-11-16 06:59:22,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 06:59:22,181 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 06:59:22,194 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-5.wvr.c[2644,2657] [2022-11-16 06:59:22,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 06:59:22,205 INFO L208 MainTranslator]: Completed translation [2022-11-16 06:59:22,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:59:22 WrapperNode [2022-11-16 06:59:22,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 06:59:22,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 06:59:22,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 06:59:22,206 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 06:59:22,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:59:22" (1/1) ... [2022-11-16 06:59:22,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:59:22" (1/1) ... [2022-11-16 06:59:22,238 INFO L138 Inliner]: procedures = 24, calls = 38, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 164 [2022-11-16 06:59:22,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 06:59:22,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 06:59:22,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 06:59:22,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 06:59:22,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:59:22" (1/1) ... [2022-11-16 06:59:22,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:59:22" (1/1) ... [2022-11-16 06:59:22,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:59:22" (1/1) ... [2022-11-16 06:59:22,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:59:22" (1/1) ... [2022-11-16 06:59:22,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:59:22" (1/1) ... [2022-11-16 06:59:22,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:59:22" (1/1) ... [2022-11-16 06:59:22,275 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:59:22" (1/1) ... [2022-11-16 06:59:22,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:59:22" (1/1) ... [2022-11-16 06:59:22,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 06:59:22,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 06:59:22,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 06:59:22,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 06:59:22,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:59:22" (1/1) ... [2022-11-16 06:59:22,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 06:59:22,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 06:59:22,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 06:59:22,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 06:59:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 06:59:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 06:59:22,368 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 06:59:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 06:59:22,368 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 06:59:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 06:59:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 06:59:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 06:59:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 06:59:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 06:59:22,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 06:59:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 06:59:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 06:59:22,370 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 06:59:22,487 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 06:59:22,489 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 06:59:22,737 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 06:59:22,744 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 06:59:22,744 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 06:59:22,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 06:59:22 BoogieIcfgContainer [2022-11-16 06:59:22,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 06:59:22,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 06:59:22,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 06:59:22,750 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 06:59:22,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 06:59:21" (1/3) ... [2022-11-16 06:59:22,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d204f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:59:22, skipping insertion in model container [2022-11-16 06:59:22,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:59:22" (2/3) ... [2022-11-16 06:59:22,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d204f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:59:22, skipping insertion in model container [2022-11-16 06:59:22,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 06:59:22" (3/3) ... [2022-11-16 06:59:22,752 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-5.wvr.c [2022-11-16 06:59:22,757 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 06:59:22,763 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 06:59:22,763 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 06:59:22,763 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 06:59:22,814 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-16 06:59:22,853 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 06:59:22,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 06:59:22,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 06:59:22,856 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-16 06:59:22,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-16 06:59:22,879 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 06:59:22,889 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2022-11-16 06:59:22,893 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;@545f7575, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 06:59:22,893 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 06:59:23,032 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:59:23,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:59:23,036 INFO L85 PathProgramCache]: Analyzing trace with hash 97705121, now seen corresponding path program 1 times [2022-11-16 06:59:23,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:59:23,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898338367] [2022-11-16 06:59:23,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:59:23,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:59:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:59:23,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:59:23,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:59:23,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898338367] [2022-11-16 06:59:23,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898338367] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 06:59:23,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 06:59:23,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 06:59:23,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484010235] [2022-11-16 06:59:23,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 06:59:23,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 06:59:23,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:59:23,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 06:59:23,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 06:59:23,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:59:23,213 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:59:23,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 50.5) internal successors, (101), 2 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 06:59:23,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:59:23,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:59:23,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 06:59:23,235 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:59:23,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:59:23,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1164671453, now seen corresponding path program 1 times [2022-11-16 06:59:23,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:59:23,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645954553] [2022-11-16 06:59:23,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:59:23,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:59:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:59:23,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:59:23,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:59:23,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645954553] [2022-11-16 06:59:23,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645954553] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 06:59:23,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 06:59:23,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 06:59:23,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872351429] [2022-11-16 06:59:23,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 06:59:23,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 06:59:23,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:59:23,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 06:59:23,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 06:59:23,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:59:23,550 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:59:23,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 06:59:23,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:59:23,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:59:23,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:59:23,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 06:59:23,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 06:59:23,698 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:59:23,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:59:23,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1314233604, now seen corresponding path program 1 times [2022-11-16 06:59:23,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:59:23,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387648001] [2022-11-16 06:59:23,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:59:23,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:59:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:59:23,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:59:23,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:59:23,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387648001] [2022-11-16 06:59:23,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387648001] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 06:59:23,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 06:59:23,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 06:59:23,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963782478] [2022-11-16 06:59:23,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 06:59:23,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 06:59:23,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:59:23,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 06:59:23,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 06:59:23,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:59:23,892 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:59:23,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 06:59:23,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:59:23,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 06:59:23,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:59:23,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:59:23,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:59:23,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 06:59:23,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 06:59:23,953 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:59:23,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:59:23,954 INFO L85 PathProgramCache]: Analyzing trace with hash 257066772, now seen corresponding path program 1 times [2022-11-16 06:59:23,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:59:23,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676824142] [2022-11-16 06:59:23,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:59:23,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:59:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:59:24,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:59:24,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:59:24,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676824142] [2022-11-16 06:59:24,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676824142] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 06:59:24,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 06:59:24,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 06:59:24,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969807447] [2022-11-16 06:59:24,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 06:59:24,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 06:59:24,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:59:24,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 06:59:24,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-16 06:59:24,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:59:24,142 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:59:24,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 06:59:24,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:59:24,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:59:24,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 06:59:24,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:59:24,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:59:24,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:59:24,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 06:59:24,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 06:59:24,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 06:59:24,241 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:59:24,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:59:24,241 INFO L85 PathProgramCache]: Analyzing trace with hash -2107200787, now seen corresponding path program 1 times [2022-11-16 06:59:24,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:59:24,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800011319] [2022-11-16 06:59:24,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:59:24,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:59:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:59:24,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:59:24,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:59:24,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800011319] [2022-11-16 06:59:24,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800011319] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 06:59:24,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 06:59:24,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 06:59:24,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659846347] [2022-11-16 06:59:24,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 06:59:24,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 06:59:24,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:59:24,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 06:59:24,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2022-11-16 06:59:24,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:59:24,529 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:59:24,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.25) internal successors, (170), 8 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 06:59:24,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:59:24,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:59:24,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 06:59:24,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 06:59:24,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:59:24,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:59:24,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:59:24,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 06:59:24,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 06:59:24,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 06:59:24,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 06:59:24,612 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:59:24,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:59:24,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1050839244, now seen corresponding path program 1 times [2022-11-16 06:59:24,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:59:24,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984547158] [2022-11-16 06:59:24,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:59:24,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:59:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:59:25,127 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 06:59:25,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:59:25,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984547158] [2022-11-16 06:59:25,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984547158] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 06:59:25,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835178934] [2022-11-16 06:59:25,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:59:25,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 06:59:25,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 06:59:25,145 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 06:59:25,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 06:59:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:59:25,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-16 06:59:25,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 06:59:25,897 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 06:59:25,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 10 [2022-11-16 06:59:25,977 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:59:25,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 06:59:26,554 INFO L321 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2022-11-16 06:59:26,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-11-16 06:59:27,167 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:59:27,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835178934] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 06:59:27,168 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 06:59:27,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 18, 18] total 36 [2022-11-16 06:59:27,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90057043] [2022-11-16 06:59:27,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 06:59:27,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-11-16 06:59:27,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:59:27,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-11-16 06:59:27,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1145, Unknown=0, NotChecked=0, Total=1260 [2022-11-16 06:59:27,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:59:27,170 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:59:27,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 12.916666666666666) internal successors, (465), 36 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 06:59:27,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:59:27,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:59:27,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 06:59:27,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 06:59:27,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 06:59:27,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:59:30,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 06:59:31,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:59:31,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:59:31,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 06:59:31,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 06:59:31,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 06:59:31,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-16 06:59:31,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 06:59:32,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-16 06:59:32,177 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:59:32,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:59:32,177 INFO L85 PathProgramCache]: Analyzing trace with hash 899886877, now seen corresponding path program 2 times [2022-11-16 06:59:32,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:59:32,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602199215] [2022-11-16 06:59:32,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:59:32,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:59:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:59:46,994 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 06:59:46,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:59:46,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602199215] [2022-11-16 06:59:46,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602199215] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 06:59:46,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773572263] [2022-11-16 06:59:46,994 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 06:59:46,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 06:59:46,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 06:59:47,008 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 06:59:47,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 06:59:47,115 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 06:59:47,115 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 06:59:47,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 68 conjunts are in the unsatisfiable core [2022-11-16 06:59:47,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 06:59:47,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 06:59:47,380 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-16 06:59:47,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-16 06:59:47,814 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-16 06:59:47,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-16 06:59:48,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-16 06:59:49,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 06:59:49,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 06:59:54,370 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-16 06:59:54,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 20 [2022-11-16 06:59:54,847 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:59:54,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 06:59:59,781 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_~x2~0_29 Int) (v_ArrVal_104 (Array Int Int)) (v_ArrVal_103 (Array Int Int))) (let ((.cse1 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_103) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_104) c_~f~0.base))) (let ((.cse0 (select .cse1 (+ (* c_~x2~0 4) c_~f~0.offset)))) (or (<= c_~size~0 .cse0) (< .cse0 0) (= (select .cse1 (+ (* (select .cse1 (+ (* c_~x1~0 4) c_~f~0.offset)) 4) c_~f~0.offset)) (select .cse1 (+ c_~f~0.offset (* v_~x2~0_29 4)))) (<= c_~size~0 v_~x2~0_29) (< v_~x2~0_29 0))))) is different from false [2022-11-16 07:00:00,139 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_~x2~0_29 Int) (v_ArrVal_104 (Array Int Int)) (v_ArrVal_103 (Array Int Int))) (let ((.cse1 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_103) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_104) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (let ((.cse0 (select .cse1 (+ (* c_~x2~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (or (< .cse0 0) (<= c_~size~0 .cse0) (= (select .cse1 (+ (* v_~x2~0_29 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (select .cse1 (+ (* (select .cse1 (+ (* c_~x1~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (<= c_~size~0 v_~x2~0_29) (< v_~x2~0_29 0))))) is different from false [2022-11-16 07:00:00,154 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_~x2~0_29 Int) (v_ArrVal_104 (Array Int Int)) (v_ArrVal_103 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_103) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_104) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (let ((.cse1 (select .cse0 (+ (* c_~x2~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (or (= (select .cse0 (+ (* (select .cse0 (+ (* c_~x1~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (select .cse0 (+ (* v_~x2~0_29 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (<= c_~size~0 .cse1) (<= c_~size~0 v_~x2~0_29) (< .cse1 0) (< v_~x2~0_29 0))))) is different from false [2022-11-16 07:00:00,744 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:00:00,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 140 treesize of output 92 [2022-11-16 07:00:00,771 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:00:00,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 254 treesize of output 294 [2022-11-16 07:00:00,805 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:00:00,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 259 treesize of output 265 [2022-11-16 07:00:00,842 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:00:00,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 106 treesize of output 157 [2022-11-16 07:00:06,032 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:00:06,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773572263] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 07:00:06,033 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 07:00:06,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 33, 34] total 83 [2022-11-16 07:00:06,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824955944] [2022-11-16 07:00:06,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 07:00:06,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2022-11-16 07:00:06,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 07:00:06,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2022-11-16 07:00:06,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=508, Invalid=5790, Unknown=34, NotChecked=474, Total=6806 [2022-11-16 07:00:06,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 07:00:06,036 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 07:00:06,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 6.530120481927711) internal successors, (542), 83 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 07:00:06,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 07:00:06,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 07:00:06,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 07:00:06,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 07:00:06,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 07:00:06,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-11-16 07:00:06,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 07:00:09,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 07:00:12,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 07:00:15,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 07:00:20,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 07:00:22,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 07:00:24,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 07:00:30,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 07:00:37,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 07:00:39,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 07:00:54,131 WARN L233 SmtUtils]: Spent 12.97s on a formula simplification. DAG size of input: 111 DAG size of output: 71 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 07:00:56,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 07:01:08,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 07:01:16,466 WARN L233 SmtUtils]: Spent 5.68s on a formula simplification. DAG size of input: 108 DAG size of output: 71 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 07:01:27,166 WARN L233 SmtUtils]: Spent 6.74s on a formula simplification. DAG size of input: 101 DAG size of output: 65 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 07:01:28,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 07:01:29,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 07:01:40,205 WARN L233 SmtUtils]: Spent 6.89s on a formula simplification. DAG size of input: 113 DAG size of output: 79 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 07:02:06,720 WARN L233 SmtUtils]: Spent 13.19s on a formula simplification. DAG size of input: 91 DAG size of output: 53 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 07:02:10,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 07:02:20,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 07:02:26,347 WARN L233 SmtUtils]: Spent 5.43s on a formula simplification. DAG size of input: 84 DAG size of output: 60 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 07:02:34,135 WARN L233 SmtUtils]: Spent 6.23s on a formula simplification. DAG size of input: 90 DAG size of output: 66 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 07:02:41,636 WARN L233 SmtUtils]: Spent 5.44s on a formula simplification. DAG size of input: 107 DAG size of output: 55 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 07:02:50,689 WARN L233 SmtUtils]: Spent 5.42s on a formula simplification. DAG size of input: 88 DAG size of output: 53 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 07:03:02,527 WARN L233 SmtUtils]: Spent 8.21s on a formula simplification. DAG size of input: 94 DAG size of output: 58 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 07:03:11,982 WARN L233 SmtUtils]: Spent 5.06s on a formula simplification. DAG size of input: 123 DAG size of output: 97 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 07:03:28,742 WARN L233 SmtUtils]: Spent 5.59s on a formula simplification. DAG size of input: 89 DAG size of output: 54 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 07:03:45,059 WARN L233 SmtUtils]: Spent 11.91s on a formula simplification. DAG size of input: 99 DAG size of output: 65 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 07:04:30,971 WARN L233 SmtUtils]: Spent 10.87s on a formula simplification. DAG size of input: 95 DAG size of output: 59 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 07:04:37,852 WARN L233 SmtUtils]: Spent 5.24s on a formula simplification. DAG size of input: 97 DAG size of output: 61 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 07:04:58,336 WARN L233 SmtUtils]: Spent 9.37s on a formula simplification. DAG size of input: 99 DAG size of output: 65 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 07:05:09,404 WARN L233 SmtUtils]: Spent 9.37s on a formula simplification. DAG size of input: 90 DAG size of output: 63 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 07:05:30,431 WARN L233 SmtUtils]: Spent 16.83s on a formula simplification. DAG size of input: 96 DAG size of output: 72 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 07:05:33,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 07:05:41,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 07:05:57,145 WARN L233 SmtUtils]: Spent 6.46s on a formula simplification. DAG size of input: 95 DAG size of output: 59 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 07:06:08,737 WARN L233 SmtUtils]: Spent 8.98s on a formula simplification. DAG size of input: 97 DAG size of output: 61 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 07:06:21,518 WARN L233 SmtUtils]: Spent 9.74s on a formula simplification. DAG size of input: 89 DAG size of output: 54 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 07:06:35,566 WARN L233 SmtUtils]: Spent 11.97s on a formula simplification. DAG size of input: 99 DAG size of output: 65 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 07:06:38,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 07:06:44,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 07:07:12,773 WARN L233 SmtUtils]: Spent 6.46s on a formula simplification. DAG size of input: 115 DAG size of output: 65 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 07:07:29,953 WARN L233 SmtUtils]: Spent 8.40s on a formula simplification. DAG size of input: 75 DAG size of output: 50 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 07:07:38,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 07:08:05,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 07:08:07,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 07:08:07,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 07:08:07,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 07:08:07,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 07:08:07,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 07:08:07,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-16 07:08:07,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2022-11-16 07:08:07,226 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 07:08:07,421 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 [2022-11-16 07:08:07,421 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 07:08:07,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 07:08:07,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1147631778, now seen corresponding path program 3 times [2022-11-16 07:08:07,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 07:08:07,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842318874] [2022-11-16 07:08:07,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 07:08:07,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:08:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:12:27,957 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 42 refuted. 1 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 07:12:27,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 07:12:27,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842318874] [2022-11-16 07:12:27,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842318874] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 07:12:27,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825793671] [2022-11-16 07:12:27,958 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 07:12:27,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 07:12:27,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 07:12:27,969 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 07:12:27,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 07:12:28,097 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-16 07:12:28,097 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 07:12:28,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 42 conjunts are in the unsatisfiable core [2022-11-16 07:12:28,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:12:37,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:12:37,463 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:12:37,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 10 [2022-11-16 07:12:38,558 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 17 proven. 24 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 07:12:38,559 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 07:12:39,715 INFO L321 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2022-11-16 07:12:39,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-11-16 07:12:43,559 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 07:12:43,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825793671] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 07:12:43,559 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 07:12:43,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25, 20] total 64 [2022-11-16 07:12:43,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318048277] [2022-11-16 07:12:43,560 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 07:12:43,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2022-11-16 07:12:43,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 07:12:43,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2022-11-16 07:12:43,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=250, Invalid=3775, Unknown=7, NotChecked=0, Total=4032 [2022-11-16 07:12:43,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 07:12:43,562 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 07:12:43,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 8.140625) internal successors, (521), 64 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 07:12:43,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 07:12:43,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 07:12:43,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 07:12:43,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 07:12:43,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 07:12:43,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-11-16 07:12:43,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2022-11-16 07:12:43,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 07:12:47,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 07:12:56,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 07:12:58,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 07:13:02,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 07:13:08,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 07:13:10,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 07:13:13,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 07:13:15,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 07:13:25,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 07:13:27,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 07:13:29,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 07:13:31,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 07:13:33,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 07:13:40,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 07:13:41,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 07:13:44,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 07:13:46,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 07:13:48,080 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (* 5 c_~n~0))) (let ((.cse4 (div c_~n~0 4294967296)) (.cse7 (* |c_thread1Thread1of1ForFork0_~i~0#1| 858993459)) (.cse2 (div |c_thread1Thread1of1ForFork0_~i~0#1| 4294967296)) (.cse6 (div .cse1 4294967296))) (let ((.cse5 (* (- 1073741824) .cse6)) (.cse0 (* .cse6 4294967296)) (.cse9 (+ .cse2 1)) (.cse8 (div (+ .cse7 (- 858993459) c_~n~0) 4294967296)) (.cse3 (* 4294967296 .cse4))) (and (= c_~f~0.offset 0) (<= (+ .cse0 |c_thread1Thread1of1ForFork0_~i~0#1| 1) (+ .cse1 (* .cse2 4294967296))) (= |c_thread2Thread1of1ForFork1_~i~1#1| 0) (<= c_~size~0 1) (<= .cse3 (+ (* (div (+ 214748364 c_~n~0 (* 1073741824 .cse4) .cse5) 858993459) 4294967296) c_~n~0)) (= |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 0) (<= (+ 2576980378 (* .cse6 3689348818177884160) |c_thread1Thread1of1ForFork0_#t~post2#1|) (+ (* (div (+ (* (div (+ (- 1717986918) (* 858993459 |c_thread1Thread1of1ForFork0_#t~post2#1|) c_~n~0) 4294967296) 214748365) (* 737869764537519964 (div |c_thread1Thread1of1ForFork0_#t~post2#1| 4294967296)) 644245094 c_~n~0 (* |c_thread1Thread1of1ForFork0_#t~post2#1| (- 214748365)) .cse5) 858993459) 4294967296) (* 4294967301 c_~n~0))) (<= 858993459 (+ .cse7 c_~n~0 (* 4294967296 (div (+ (* |c_thread1Thread1of1ForFork0_~i~0#1| (- 214748365)) 429496729 c_~n~0 (* .cse8 214748365) (* (- 1073741824) .cse2) .cse5) 858993459)))) (<= .cse1 (+ 4294967294 .cse0 |c_thread1Thread1of1ForFork0_~i~0#1|)) (<= |c_ULTIMATE.start_create_fresh_int_array_~i~2#1| 1) (< 0 .cse9) (<= |c_thread2Thread1of1ForFork1_~i~1#1| (+ |c_thread1Thread1of1ForFork0_~i~0#1| 4)) (<= c_~size~0 |c_ULTIMATE.start_create_fresh_int_array_#in~size#1|) (or (<= .cse9 0) (and (<= 1 |c_thread1Thread1of1ForFork0_~i~0#1|) (<= 858993459 (+ .cse7 c_~n~0 (* (div (+ (* .cse6 (- 4294967296)) 1717986918 (* .cse8 858993460) (* (- 858993461) |c_thread1Thread1of1ForFork0_~i~0#1|) (* c_~n~0 4)) 3435973836) 4294967296))))) (= 0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (<= c_~size~0 |c_ULTIMATE.start_create_fresh_int_array_~size#1|) (<= c_~n~0 (+ .cse3 858993458)) (not (<= (+ (div |c_thread2Thread1of1ForFork1_~i~1#1| 4294967296) 1) 0)) (= |c_thread1Thread1of1ForFork0_#t~post2#1| 0))))) is different from false [2022-11-16 07:13:50,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2022-11-16 07:13:50,768 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-16 07:13:50,768 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-16 07:13:50,805 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-16 07:13:51,774 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-11-16 07:13:51,812 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-16 07:13:51,968 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-16 07:13:51,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 07:13:51,976 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2022-11-16 07:13:51,977 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 07:13:51,982 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1] [2022-11-16 07:13:51,983 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/3) [2022-11-16 07:13:51,984 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 07:13:51,984 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 07:13:51,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 07:13:51 BasicIcfg [2022-11-16 07:13:51,985 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 07:13:51,985 INFO L158 Benchmark]: Toolchain (without parser) took 870029.97ms. Allocated memory was 181.4MB in the beginning and 902.8MB in the end (delta: 721.4MB). Free memory was 120.6MB in the beginning and 331.2MB in the end (delta: -210.6MB). Peak memory consumption was 511.3MB. Max. memory is 8.0GB. [2022-11-16 07:13:51,986 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-16 07:13:51,986 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.72ms. Allocated memory was 181.4MB in the beginning and 250.6MB in the end (delta: 69.2MB). Free memory was 120.4MB in the beginning and 219.7MB in the end (delta: -99.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-11-16 07:13:51,986 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.53ms. Allocated memory is still 250.6MB. Free memory was 219.7MB in the beginning and 217.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-16 07:13:51,986 INFO L158 Benchmark]: Boogie Preprocessor took 38.42ms. Allocated memory is still 250.6MB. Free memory was 217.7MB in the beginning and 216.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-11-16 07:13:51,986 INFO L158 Benchmark]: RCFGBuilder took 468.08ms. Allocated memory is still 250.6MB. Free memory was 216.1MB in the beginning and 197.7MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-11-16 07:13:51,986 INFO L158 Benchmark]: TraceAbstraction took 869237.65ms. Allocated memory was 250.6MB in the beginning and 902.8MB in the end (delta: 652.2MB). Free memory was 197.2MB in the beginning and 331.2MB in the end (delta: -134.0MB). Peak memory consumption was 519.2MB. Max. memory is 8.0GB. [2022-11-16 07:13:51,990 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 248.72ms. Allocated memory was 181.4MB in the beginning and 250.6MB in the end (delta: 69.2MB). Free memory was 120.4MB in the beginning and 219.7MB in the end (delta: -99.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.53ms. Allocated memory is still 250.6MB. Free memory was 219.7MB in the beginning and 217.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.42ms. Allocated memory is still 250.6MB. Free memory was 217.7MB in the beginning and 216.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 468.08ms. Allocated memory is still 250.6MB. Free memory was 216.1MB in the beginning and 197.7MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 869237.65ms. Allocated memory was 250.6MB in the beginning and 902.8MB in the end (delta: 652.2MB). Free memory was 197.2MB in the beginning and 331.2MB in the end (delta: -134.0MB). Peak memory consumption was 519.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9038, independent: 7119, independent conditional: 2198, independent unconditional: 4921, dependent: 1919, dependent conditional: 1913, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7125, independent: 7119, independent conditional: 2198, independent unconditional: 4921, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7125, independent: 7119, independent conditional: 2198, independent unconditional: 4921, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7125, independent: 7119, independent conditional: 0, independent unconditional: 7119, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7125, independent: 7119, independent conditional: 0, independent unconditional: 7119, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7125, independent: 7119, independent conditional: 0, independent unconditional: 7119, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4591, independent: 4585, independent conditional: 0, independent unconditional: 4585, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4591, independent: 4584, independent conditional: 0, independent unconditional: 4584, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7125, independent: 2534, independent conditional: 0, independent unconditional: 2534, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 4591, unknown conditional: 0, unknown unconditional: 4591] , Statistics on independence cache: Total cache size (in pairs): 4591, Positive cache size: 4585, Positive conditional cache size: 0, Positive unconditional cache size: 4585, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1913 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 288, Number of trivial persistent sets: 201, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4927, independent: 4921, independent conditional: 0, independent unconditional: 4921, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9038, independent: 7119, independent conditional: 2198, independent unconditional: 4921, dependent: 1919, dependent conditional: 1913, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7125, independent: 7119, independent conditional: 2198, independent unconditional: 4921, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7125, independent: 7119, independent conditional: 2198, independent unconditional: 4921, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7125, independent: 7119, independent conditional: 0, independent unconditional: 7119, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7125, independent: 7119, independent conditional: 0, independent unconditional: 7119, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7125, independent: 7119, independent conditional: 0, independent unconditional: 7119, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4591, independent: 4585, independent conditional: 0, independent unconditional: 4585, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4591, independent: 4584, independent conditional: 0, independent unconditional: 4584, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7125, independent: 2534, independent conditional: 0, independent unconditional: 2534, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 4591, unknown conditional: 0, unknown unconditional: 4591] , Statistics on independence cache: Total cache size (in pairs): 4591, Positive cache size: 4585, Positive conditional cache size: 0, Positive unconditional cache size: 4585, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1913 - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 287 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 869.1s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 554.9s, 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: 238, 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: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 312.8s InterpolantComputationTime, 1773 NumberOfCodeBlocks, 1773 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2329 ConstructedInterpolants, 235 QuantifiedInterpolants, 34359 SizeOfPredicates, 95 NumberOfNonLiveVariables, 1068 ConjunctsInSsa, 143 ConjunctsInUnsatCore, 14 InterpolantComputations, 5 PerfectInterpolantSequences, 31/196 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 [2022-11-16 07:13:51,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Completed graceful shutdown