/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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/weaver/chl-chromosome-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 12:56:38,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 12:56:38,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 12:56:38,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 12:56:38,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 12:56:38,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 12:56:38,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 12:56:38,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 12:56:38,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 12:56:38,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 12:56:38,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 12:56:38,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 12:56:38,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 12:56:38,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 12:56:38,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 12:56:38,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 12:56:38,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 12:56:38,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 12:56:38,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 12:56:38,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 12:56:38,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 12:56:38,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 12:56:38,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 12:56:38,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 12:56:38,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 12:56:38,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 12:56:38,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 12:56:38,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 12:56:38,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 12:56:38,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 12:56:38,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 12:56:38,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 12:56:38,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 12:56:38,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 12:56:38,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 12:56:38,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 12:56:38,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 12:56:38,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 12:56:38,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 12:56:38,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 12:56:38,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 12:56:38,277 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-09-16 12:56:38,301 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 12:56:38,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 12:56:38,302 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 12:56:38,302 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 12:56:38,303 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 12:56:38,303 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 12:56:38,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 12:56:38,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 12:56:38,304 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 12:56:38,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 12:56:38,305 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 12:56:38,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 12:56:38,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 12:56:38,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 12:56:38,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 12:56:38,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 12:56:38,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 12:56:38,306 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 12:56:38,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 12:56:38,306 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 12:56:38,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 12:56:38,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 12:56:38,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 12:56:38,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 12:56:38,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 12:56:38,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 12:56:38,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 12:56:38,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 12:56:38,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 12:56:38,307 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 12:56:38,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 12:56:38,308 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 12:56:38,308 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-16 12:56:38,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 12:56:38,308 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-09-16 12:56:38,308 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-09-16 12:56:38,308 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 12:56:38,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 12:56:38,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 12:56:38,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 12:56:38,556 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 12:56:38,557 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 12:56:38,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-chromosome-subst.wvr.c [2022-09-16 12:56:38,614 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44407dc8a/214c3af703e743b48bfa6cae29b8e754/FLAGb795f93fe [2022-09-16 12:56:39,036 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 12:56:39,037 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-subst.wvr.c [2022-09-16 12:56:39,043 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44407dc8a/214c3af703e743b48bfa6cae29b8e754/FLAGb795f93fe [2022-09-16 12:56:39,059 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44407dc8a/214c3af703e743b48bfa6cae29b8e754 [2022-09-16 12:56:39,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 12:56:39,062 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 12:56:39,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 12:56:39,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 12:56:39,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 12:56:39,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 12:56:39" (1/1) ... [2022-09-16 12:56:39,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@425773b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:56:39, skipping insertion in model container [2022-09-16 12:56:39,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 12:56:39" (1/1) ... [2022-09-16 12:56:39,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 12:56:39,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 12:56:39,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-subst.wvr.c[3097,3110] [2022-09-16 12:56:39,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 12:56:39,300 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 12:56:39,323 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-subst.wvr.c[3097,3110] [2022-09-16 12:56:39,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 12:56:39,340 INFO L208 MainTranslator]: Completed translation [2022-09-16 12:56:39,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:56:39 WrapperNode [2022-09-16 12:56:39,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 12:56:39,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 12:56:39,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 12:56:39,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 12:56:39,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:56:39" (1/1) ... [2022-09-16 12:56:39,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:56:39" (1/1) ... [2022-09-16 12:56:39,404 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 17, calls inlined = 25, statements flattened = 341 [2022-09-16 12:56:39,405 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 12:56:39,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 12:56:39,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 12:56:39,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 12:56:39,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:56:39" (1/1) ... [2022-09-16 12:56:39,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:56:39" (1/1) ... [2022-09-16 12:56:39,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:56:39" (1/1) ... [2022-09-16 12:56:39,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:56:39" (1/1) ... [2022-09-16 12:56:39,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:56:39" (1/1) ... [2022-09-16 12:56:39,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:56:39" (1/1) ... [2022-09-16 12:56:39,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:56:39" (1/1) ... [2022-09-16 12:56:39,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 12:56:39,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 12:56:39,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 12:56:39,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 12:56:39,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:56:39" (1/1) ... [2022-09-16 12:56:39,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 12:56:39,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:56:39,503 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) [2022-09-16 12:56:39,511 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 [2022-09-16 12:56:39,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 12:56:39,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 12:56:39,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 12:56:39,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 12:56:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-16 12:56:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-16 12:56:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-16 12:56:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-16 12:56:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-09-16 12:56:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-09-16 12:56:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 12:56:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-09-16 12:56:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 12:56:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 12:56:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 12:56:39,539 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 12:56:39,635 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 12:56:39,637 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 12:56:40,100 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 12:56:40,118 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 12:56:40,119 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-09-16 12:56:40,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 12:56:40 BoogieIcfgContainer [2022-09-16 12:56:40,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 12:56:40,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 12:56:40,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 12:56:40,128 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 12:56:40,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 12:56:39" (1/3) ... [2022-09-16 12:56:40,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3951261e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 12:56:40, skipping insertion in model container [2022-09-16 12:56:40,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:56:39" (2/3) ... [2022-09-16 12:56:40,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3951261e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 12:56:40, skipping insertion in model container [2022-09-16 12:56:40,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 12:56:40" (3/3) ... [2022-09-16 12:56:40,132 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-subst.wvr.c [2022-09-16 12:56:40,139 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 12:56:40,147 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 12:56:40,147 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-09-16 12:56:40,147 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 12:56:40,270 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-09-16 12:56:40,344 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 12:56:40,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-16 12:56:40,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:56:40,346 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) [2022-09-16 12:56:40,347 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 [2022-09-16 12:56:40,391 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-16 12:56:40,404 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork0 ======== [2022-09-16 12:56:40,410 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;@24f60460, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 12:56:40,411 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-09-16 12:56:40,748 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-09-16 12:56:40,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:56:40,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1939620820, now seen corresponding path program 1 times [2022-09-16 12:56:40,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:56:40,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156647021] [2022-09-16 12:56:40,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:56:40,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:56:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:56:41,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:56:41,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:56:41,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156647021] [2022-09-16 12:56:41,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156647021] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:56:41,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:56:41,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 12:56:41,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362838415] [2022-09-16 12:56:41,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:56:41,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-16 12:56:41,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:56:41,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-16 12:56:41,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-16 12:56:41,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:56:41,068 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:56:41,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 83.5) internal successors, (167), 2 states have internal predecessors, (167), 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) [2022-09-16 12:56:41,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:56:41,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:56:41,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 12:56:41,102 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-09-16 12:56:41,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:56:41,102 INFO L85 PathProgramCache]: Analyzing trace with hash -180526936, now seen corresponding path program 1 times [2022-09-16 12:56:41,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:56:41,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918665323] [2022-09-16 12:56:41,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:56:41,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:56:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:56:41,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:56:41,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:56:41,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918665323] [2022-09-16 12:56:41,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918665323] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:56:41,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:56:41,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 12:56:41,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051161721] [2022-09-16 12:56:41,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:56:41,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 12:56:41,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:56:41,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 12:56:41,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-09-16 12:56:41,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:56:41,301 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:56:41,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 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) [2022-09-16 12:56:41,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:56:41,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:56:41,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:56:41,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 12:56:41,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 12:56:41,422 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-09-16 12:56:41,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:56:41,423 INFO L85 PathProgramCache]: Analyzing trace with hash -49515286, now seen corresponding path program 1 times [2022-09-16 12:56:41,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:56:41,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941725701] [2022-09-16 12:56:41,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:56:41,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:56:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:56:41,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-09-16 12:56:41,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:56:41,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941725701] [2022-09-16 12:56:41,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941725701] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:56:41,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131774160] [2022-09-16 12:56:41,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:56:41,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:56:41,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:56:41,648 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) [2022-09-16 12:56:41,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-09-16 12:56:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:56:41,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 6 conjunts are in the unsatisfiable core [2022-09-16 12:56:41,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:56:41,994 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-09-16 12:56:41,995 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-16 12:56:42,097 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-09-16 12:56:42,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131774160] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-16 12:56:42,098 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-16 12:56:42,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2022-09-16 12:56:42,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501425182] [2022-09-16 12:56:42,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-16 12:56:42,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 12:56:42,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:56:42,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 12:56:42,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-09-16 12:56:42,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:56:42,123 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:56:42,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 15.066666666666666) internal successors, (226), 15 states have internal predecessors, (226), 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) [2022-09-16 12:56:42,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:56:42,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-09-16 12:56:42,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:56:42,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:56:42,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 12:56:42,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:56:42,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-09-16 12:56:42,653 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,SelfDestructingSolverStorable2 [2022-09-16 12:56:42,654 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-09-16 12:56:42,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:56:42,655 INFO L85 PathProgramCache]: Analyzing trace with hash 2132752426, now seen corresponding path program 2 times [2022-09-16 12:56:42,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:56:42,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107673564] [2022-09-16 12:56:42,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:56:42,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:56:42,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:56:42,872 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-09-16 12:56:42,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:56:42,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107673564] [2022-09-16 12:56:42,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107673564] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:56:42,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307554950] [2022-09-16 12:56:42,873 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-09-16 12:56:42,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:56:42,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:56:42,875 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) [2022-09-16 12:56:42,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-09-16 12:56:43,011 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-09-16 12:56:43,011 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-09-16 12:56:43,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 10 conjunts are in the unsatisfiable core [2022-09-16 12:56:43,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:56:43,222 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-09-16 12:56:43,222 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-16 12:56:43,339 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-09-16 12:56:43,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1307554950] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-16 12:56:43,339 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-16 12:56:43,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2022-09-16 12:56:43,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446958985] [2022-09-16 12:56:43,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-16 12:56:43,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 12:56:43,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:56:43,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 12:56:43,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2022-09-16 12:56:43,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:56:43,342 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:56:43,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 16.863636363636363) internal successors, (371), 22 states have internal predecessors, (371), 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) [2022-09-16 12:56:43,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:56:43,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-09-16 12:56:43,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:56:43,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:56:43,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:56:43,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 12:56:43,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:56:43,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:56:43,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-09-16 12:56:44,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:56:44,024 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-09-16 12:56:44,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:56:44,025 INFO L85 PathProgramCache]: Analyzing trace with hash 2006707050, now seen corresponding path program 3 times [2022-09-16 12:56:44,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:56:44,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082180692] [2022-09-16 12:56:44,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:56:44,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:56:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:56:45,480 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 27 proven. 126 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-09-16 12:56:45,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:56:45,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082180692] [2022-09-16 12:56:45,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082180692] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:56:45,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460022734] [2022-09-16 12:56:45,481 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-09-16 12:56:45,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:56:45,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:56:45,484 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) [2022-09-16 12:56:45,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-09-16 12:56:45,864 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-09-16 12:56:45,865 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-09-16 12:56:45,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 96 conjunts are in the unsatisfiable core [2022-09-16 12:56:45,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:56:46,042 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-09-16 12:56:46,301 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-09-16 12:56:46,506 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-09-16 12:56:46,507 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 28 [2022-09-16 12:56:46,870 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-09-16 12:56:46,870 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 32 [2022-09-16 12:56:47,206 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-09-16 12:56:47,207 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 32 [2022-09-16 12:56:47,525 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-09-16 12:56:47,525 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 32 [2022-09-16 12:56:48,249 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-09-16 12:56:48,250 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-09-16 12:56:48,403 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-09-16 12:56:48,522 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-09-16 12:56:48,631 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-09-16 12:56:48,751 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-09-16 12:56:48,891 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-09-16 12:56:49,363 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-09-16 12:56:49,363 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-09-16 12:56:49,585 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-09-16 12:56:49,586 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 24 [2022-09-16 12:56:49,741 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-09-16 12:56:49,742 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 24 [2022-09-16 12:56:49,937 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-09-16 12:56:49,938 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 24 [2022-09-16 12:56:50,078 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-09-16 12:56:50,079 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 24 [2022-09-16 12:56:50,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-16 12:56:50,576 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-09-16 12:56:50,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-16 12:56:50,687 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-09-16 12:56:50,953 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-16 12:56:50,954 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 31 treesize of output 23 [2022-09-16 12:56:51,315 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 0 proven. 137 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-09-16 12:56:51,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-16 12:56:52,729 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_259 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_21| Int) (v_ArrVal_258 (Array Int Int)) (v_ArrVal_257 (Array Int Int))) (let ((.cse1 (store (store (store |c_#memory_int| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_21| v_ArrVal_257) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_258) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_259))) (let ((.cse0 (select (select .cse1 c_~o_0~0.base) c_~o_0~0.offset))) (or (not (<= |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_21| |c_ULTIMATE.start_create_fresh_int_array_#t~malloc31#1.base|)) (< .cse0 (+ (select (select .cse1 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_21|) |c_ULTIMATE.start_create_fresh_int_array_#t~malloc31#1.offset|) 2147483648)) (< .cse0 2147483648))))) is different from false [2022-09-16 12:56:52,744 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_259 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_21| Int) (v_ArrVal_258 (Array Int Int)) (v_ArrVal_257 (Array Int Int))) (let ((.cse1 (store (store (store |c_#memory_int| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_21| v_ArrVal_257) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_258) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_259))) (let ((.cse0 (select (select .cse1 c_~o_0~0.base) c_~o_0~0.offset))) (or (< |c_#StackHeapBarrier| (+ |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_21| 1)) (< .cse0 (+ (select (select .cse1 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_21|) 0) 2147483648)) (< .cse0 2147483648))))) is different from false [2022-09-16 12:56:53,026 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_259 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_21| Int) (v_ArrVal_252 (Array Int Int)) (v_ArrVal_258 (Array Int Int)) (v_ArrVal_257 (Array Int Int))) (let ((.cse1 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_252) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_21| v_ArrVal_257) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_258) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_259))) (let ((.cse0 (select (select .cse1 c_~o_0~0.base) c_~o_0~0.offset))) (or (< .cse0 (+ (select (select .cse1 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_21|) 0) 2147483648)) (< |c_#StackHeapBarrier| (+ |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_21| 1)) (< .cse0 2147483648))))) is different from false [2022-09-16 12:56:53,427 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_259 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_21| Int) (v_ArrVal_252 (Array Int Int)) (v_ArrVal_258 (Array Int Int)) (v_ArrVal_257 (Array Int Int))) (let ((.cse1 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_#t~malloc31#1.base| v_ArrVal_252) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_21| v_ArrVal_257) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_258) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_259))) (let ((.cse0 (select (select .cse1 c_~o_0~0.base) c_~o_0~0.offset))) (or (< .cse0 2147483648) (< .cse0 (+ 2147483648 (select (select .cse1 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_21|) 0))) (< |c_#StackHeapBarrier| (+ |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_21| 1)))))) is different from false [2022-09-16 12:56:57,522 INFO L356 Elim1Store]: treesize reduction 280, result has 34.1 percent of original size [2022-09-16 12:56:57,523 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 177 treesize of output 201 [2022-09-16 12:56:57,607 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-16 12:56:57,609 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 93935 treesize of output 92735 [2022-09-16 12:56:58,099 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46263 treesize of output 45623 [2022-09-16 12:56:58,477 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-16 12:56:58,478 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 91883 treesize of output 82675 [2022-09-16 12:56:58,797 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-16 12:56:58,798 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82667 treesize of output 78067 [2022-09-16 12:56:59,117 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-16 12:56:59,118 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 78059 treesize of output 74739 Received shutdown request... [2022-09-16 13:10:46,983 WARN L249 SmtUtils]: Removed 2 from assertion stack [2022-09-16 13:10:46,986 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-09-16 13:10:47,007 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 [2022-09-16 13:10:47,007 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 [2022-09-16 13:10:47,007 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 [2022-09-16 13:10:47,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-09-16 13:10:47,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 13:10:47,200 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 294 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 2ms.. [2022-09-16 13:10:47,201 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-09-16 13:10:47,201 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-09-16 13:10:47,201 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-09-16 13:10:47,201 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-09-16 13:10:47,202 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-09-16 13:10:47,202 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-09-16 13:10:47,202 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-09-16 13:10:47,208 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2022-09-16 13:10:47,210 INFO L307 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork0 was TIMEOUT,TIMEOUT,TIMEOUT,TIMEOUT,TIMEOUT,TIMEOUT,TIMEOUT,TIMEOUT (1/4) [2022-09-16 13:10:47,212 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 13:10:47,212 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 13:10:47,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 01:10:47 BasicIcfg [2022-09-16 13:10:47,214 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 13:10:47,214 INFO L158 Benchmark]: Toolchain (without parser) took 848152.18ms. Allocated memory was 173.0MB in the beginning and 676.3MB in the end (delta: 503.3MB). Free memory was 116.4MB in the beginning and 285.3MB in the end (delta: -168.9MB). Peak memory consumption was 396.8MB. Max. memory is 8.0GB. [2022-09-16 13:10:47,214 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 173.0MB. Free memory was 133.0MB in the beginning and 132.9MB in the end (delta: 66.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 13:10:47,215 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.34ms. Allocated memory is still 173.0MB. Free memory was 116.2MB in the beginning and 146.6MB in the end (delta: -30.3MB). Peak memory consumption was 11.7MB. Max. memory is 8.0GB. [2022-09-16 13:10:47,215 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.40ms. Allocated memory is still 173.0MB. Free memory was 146.6MB in the beginning and 143.8MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 13:10:47,215 INFO L158 Benchmark]: Boogie Preprocessor took 39.82ms. Allocated memory is still 173.0MB. Free memory was 143.8MB in the beginning and 141.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 13:10:47,216 INFO L158 Benchmark]: RCFGBuilder took 676.43ms. Allocated memory is still 173.0MB. Free memory was 141.4MB in the beginning and 113.6MB in the end (delta: 27.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2022-09-16 13:10:47,216 INFO L158 Benchmark]: TraceAbstraction took 847088.96ms. Allocated memory was 173.0MB in the beginning and 676.3MB in the end (delta: 503.3MB). Free memory was 112.9MB in the beginning and 285.3MB in the end (delta: -172.5MB). Peak memory consumption was 393.5MB. Max. memory is 8.0GB. [2022-09-16 13:10:47,217 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 173.0MB. Free memory was 133.0MB in the beginning and 132.9MB in the end (delta: 66.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 273.34ms. Allocated memory is still 173.0MB. Free memory was 116.2MB in the beginning and 146.6MB in the end (delta: -30.3MB). Peak memory consumption was 11.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 63.40ms. Allocated memory is still 173.0MB. Free memory was 146.6MB in the beginning and 143.8MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.82ms. Allocated memory is still 173.0MB. Free memory was 143.8MB in the beginning and 141.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 676.43ms. Allocated memory is still 173.0MB. Free memory was 141.4MB in the beginning and 113.6MB in the end (delta: 27.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * TraceAbstraction took 847088.96ms. Allocated memory was 173.0MB in the beginning and 676.3MB in the end (delta: 503.3MB). Free memory was 112.9MB in the beginning and 285.3MB in the end (delta: -172.5MB). Peak memory consumption was 393.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12153, positive: 11959, positive conditional: 692, positive unconditional: 11267, negative: 194, negative conditional: 188, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11965, positive: 11959, positive conditional: 692, positive unconditional: 11267, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11965, positive: 11959, positive conditional: 692, positive unconditional: 11267, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11965, positive: 11959, positive conditional: 0, positive unconditional: 11959, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11965, positive: 11959, positive conditional: 0, positive unconditional: 11959, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11965, positive: 11959, positive conditional: 0, positive unconditional: 11959, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11087, positive: 11081, positive conditional: 0, positive unconditional: 11081, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11087, positive: 11081, positive conditional: 0, positive unconditional: 11081, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11965, positive: 878, positive conditional: 0, positive unconditional: 878, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 11087, unknown conditional: 0, unknown unconditional: 11087] , Statistics on independence cache: Total cache size (in pairs): 11087, Positive cache size: 11081, Positive conditional cache size: 0, Positive unconditional cache size: 11081, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 188 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 191, Number of trivial persistent sets: 146, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11273, positive: 11267, positive conditional: 0, positive unconditional: 11267, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12153, positive: 11959, positive conditional: 692, positive unconditional: 11267, negative: 194, negative conditional: 188, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11965, positive: 11959, positive conditional: 692, positive unconditional: 11267, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11965, positive: 11959, positive conditional: 692, positive unconditional: 11267, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11965, positive: 11959, positive conditional: 0, positive unconditional: 11959, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11965, positive: 11959, positive conditional: 0, positive unconditional: 11959, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11965, positive: 11959, positive conditional: 0, positive unconditional: 11959, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11087, positive: 11081, positive conditional: 0, positive unconditional: 11081, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11087, positive: 11081, positive conditional: 0, positive unconditional: 11081, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11965, positive: 878, positive conditional: 0, positive unconditional: 878, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 11087, unknown conditional: 0, unknown unconditional: 11087] , Statistics on independence cache: Total cache size (in pairs): 11087, Positive cache size: 11081, Positive conditional cache size: 0, Positive unconditional cache size: 11081, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 188 - TimeoutResultAtElement [Line: 129]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 294 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 2ms.. - TimeoutResultAtElement [Line: 127]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 294 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 2ms.. - TimeoutResultAtElement [Line: 127]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 294 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 2ms.. - TimeoutResultAtElement [Line: 128]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 294 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 2ms.. - TimeoutResultAtElement [Line: 128]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 294 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 2ms.. - TimeoutResultAtElement [Line: 129]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 294 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 2ms.. - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 294 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 2ms.. - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 294 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 2ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread2Thread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 665 locations, 57 error locations. Started 1 CEGAR loops. OverallTime: 846.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.3s, 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: 35, 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, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1173 NumberOfCodeBlocks, 1173 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1589 ConstructedInterpolants, 0 QuantifiedInterpolants, 2417 SizeOfPredicates, 14 NumberOfNonLiveVariables, 878 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 186/279 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown