/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-12 19:50:04,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-12 19:50:04,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-12 19:50:04,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-12 19:50:04,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-12 19:50:04,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-12 19:50:04,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-12 19:50:04,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-12 19:50:04,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-12 19:50:04,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-12 19:50:04,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-12 19:50:04,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-12 19:50:04,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-12 19:50:04,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-12 19:50:04,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-12 19:50:04,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-12 19:50:04,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-12 19:50:04,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-12 19:50:04,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-12 19:50:04,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-12 19:50:04,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-12 19:50:04,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-12 19:50:04,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-12 19:50:04,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-12 19:50:04,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-12 19:50:04,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-12 19:50:04,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-12 19:50:04,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-12 19:50:04,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-12 19:50:04,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-12 19:50:04,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-12 19:50:04,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-12 19:50:04,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-12 19:50:04,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-12 19:50:04,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-12 19:50:04,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-12 19:50:04,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-12 19:50:04,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-12 19:50:04,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-12 19:50:04,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-12 19:50:04,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-12 19:50:04,619 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2022-12-12 19:50:04,647 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-12 19:50:04,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-12 19:50:04,648 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-12 19:50:04,648 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-12 19:50:04,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-12 19:50:04,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-12 19:50:04,650 INFO L138 SettingsManager]: * Use SBE=true [2022-12-12 19:50:04,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-12 19:50:04,650 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-12 19:50:04,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-12 19:50:04,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-12 19:50:04,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-12 19:50:04,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-12 19:50:04,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-12 19:50:04,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-12 19:50:04,651 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-12 19:50:04,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-12 19:50:04,651 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-12 19:50:04,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-12 19:50:04,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-12 19:50:04,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-12 19:50:04,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-12 19:50:04,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-12 19:50:04,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 19:50:04,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-12 19:50:04,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-12 19:50:04,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-12 19:50:04,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-12 19:50:04,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-12 19:50:04,653 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-12 19:50:04,653 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-12 19:50:04,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-12 19:50:04,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-12 19:50:04,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-12 19:50:04,999 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-12 19:50:05,000 INFO L275 PluginConnector]: CDTParser initialized [2022-12-12 19:50:05,002 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2022-12-12 19:50:06,141 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-12 19:50:06,405 INFO L351 CDTParser]: Found 1 translation units. [2022-12-12 19:50:06,406 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2022-12-12 19:50:06,414 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/920d1c99f/18ae97f81ff946788b1f448dff2ddd75/FLAG4715dd218 [2022-12-12 19:50:06,428 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/920d1c99f/18ae97f81ff946788b1f448dff2ddd75 [2022-12-12 19:50:06,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-12 19:50:06,431 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-12 19:50:06,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-12 19:50:06,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-12 19:50:06,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-12 19:50:06,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 07:50:06" (1/1) ... [2022-12-12 19:50:06,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2668755b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 07:50:06, skipping insertion in model container [2022-12-12 19:50:06,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 07:50:06" (1/1) ... [2022-12-12 19:50:06,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-12 19:50:06,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-12 19:50:06,600 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 19:50:06,602 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 19:50:06,603 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 19:50:06,606 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 19:50:06,606 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 19:50:06,607 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 19:50:06,609 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 19:50:06,610 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 19:50:06,610 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 19:50:06,611 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 19:50:06,611 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 19:50:06,615 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 19:50:06,616 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 19:50:06,618 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 19:50:06,618 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 19:50:06,620 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 19:50:06,621 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 19:50:06,622 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 19:50:06,624 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 19:50:06,627 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 19:50:06,627 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 19:50:06,628 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 19:50:06,628 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 19:50:06,629 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 19:50:06,645 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2022-12-12 19:50:06,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 19:50:06,662 INFO L203 MainTranslator]: Completed pre-run [2022-12-12 19:50:06,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 19:50:06,675 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 19:50:06,676 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 19:50:06,677 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 19:50:06,677 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 19:50:06,678 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 19:50:06,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 19:50:06,681 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 19:50:06,681 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 19:50:06,685 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 19:50:06,685 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 19:50:06,690 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 19:50:06,692 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 19:50:06,692 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 19:50:06,693 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 19:50:06,693 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 19:50:06,693 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 19:50:06,694 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 19:50:06,694 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 19:50:06,694 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 19:50:06,694 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 19:50:06,695 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 19:50:06,695 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 19:50:06,695 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 19:50:06,699 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2022-12-12 19:50:06,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 19:50:06,714 INFO L208 MainTranslator]: Completed translation [2022-12-12 19:50:06,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 07:50:06 WrapperNode [2022-12-12 19:50:06,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-12 19:50:06,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-12 19:50:06,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-12 19:50:06,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-12 19:50:06,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 07:50:06" (1/1) ... [2022-12-12 19:50:06,739 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 07:50:06" (1/1) ... [2022-12-12 19:50:06,771 INFO L138 Inliner]: procedures = 26, calls = 75, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 315 [2022-12-12 19:50:06,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-12 19:50:06,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-12 19:50:06,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-12 19:50:06,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-12 19:50:06,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 07:50:06" (1/1) ... [2022-12-12 19:50:06,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 07:50:06" (1/1) ... [2022-12-12 19:50:06,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 07:50:06" (1/1) ... [2022-12-12 19:50:06,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 07:50:06" (1/1) ... [2022-12-12 19:50:06,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 07:50:06" (1/1) ... [2022-12-12 19:50:06,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 07:50:06" (1/1) ... [2022-12-12 19:50:06,816 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 07:50:06" (1/1) ... [2022-12-12 19:50:06,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 07:50:06" (1/1) ... [2022-12-12 19:50:06,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-12 19:50:06,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-12 19:50:06,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-12 19:50:06,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-12 19:50:06,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 07:50:06" (1/1) ... [2022-12-12 19:50:06,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 19:50:06,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 19:50:06,844 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) [2022-12-12 19:50:06,887 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 [2022-12-12 19:50:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-12 19:50:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-12 19:50:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-12 19:50:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-12 19:50:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-12 19:50:06,903 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-12 19:50:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-12 19:50:06,906 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-12 19:50:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-12 19:50:06,906 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-12 19:50:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-12 19:50:06,907 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-12 19:50:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-12 19:50:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-12 19:50:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-12 19:50:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-12 19:50:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-12 19:50:06,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-12 19:50:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-12 19:50:06,908 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-12 19:50:06,989 INFO L236 CfgBuilder]: Building ICFG [2022-12-12 19:50:06,990 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-12 19:50:07,445 INFO L277 CfgBuilder]: Performing block encoding [2022-12-12 19:50:07,612 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-12 19:50:07,612 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-12 19:50:07,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 07:50:07 BoogieIcfgContainer [2022-12-12 19:50:07,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-12 19:50:07,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-12 19:50:07,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-12 19:50:07,621 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-12 19:50:07,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.12 07:50:06" (1/3) ... [2022-12-12 19:50:07,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c4ab0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 07:50:07, skipping insertion in model container [2022-12-12 19:50:07,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 07:50:06" (2/3) ... [2022-12-12 19:50:07,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c4ab0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 07:50:07, skipping insertion in model container [2022-12-12 19:50:07,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 07:50:07" (3/3) ... [2022-12-12 19:50:07,623 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt2.wvr.c [2022-12-12 19:50:07,638 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-12 19:50:07,638 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-12 19:50:07,639 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-12 19:50:07,716 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-12-12 19:50:07,779 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 220 places, 226 transitions, 484 flow [2022-12-12 19:50:07,860 INFO L130 PetriNetUnfolder]: 19/222 cut-off events. [2022-12-12 19:50:07,860 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-12 19:50:07,868 INFO L83 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 222 events. 19/222 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 107 event pairs, 0 based on Foata normal form. 0/202 useless extension candidates. Maximal degree in co-relation 185. Up to 2 conditions per place. [2022-12-12 19:50:07,869 INFO L82 GeneralOperation]: Start removeDead. Operand has 220 places, 226 transitions, 484 flow [2022-12-12 19:50:07,880 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 204 places, 210 transitions, 444 flow [2022-12-12 19:50:07,882 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-12 19:50:07,900 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 204 places, 210 transitions, 444 flow [2022-12-12 19:50:07,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 204 places, 210 transitions, 444 flow [2022-12-12 19:50:07,976 INFO L130 PetriNetUnfolder]: 19/210 cut-off events. [2022-12-12 19:50:07,977 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-12 19:50:07,980 INFO L83 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 210 events. 19/210 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 105 event pairs, 0 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 185. Up to 2 conditions per place. [2022-12-12 19:50:07,984 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 204 places, 210 transitions, 444 flow [2022-12-12 19:50:07,984 INFO L226 LiptonReduction]: Number of co-enabled transitions 1824 [2022-12-12 19:50:17,470 INFO L241 LiptonReduction]: Total number of compositions: 175 [2022-12-12 19:50:17,486 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-12 19:50:17,508 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=false, mAutomataTypeConcurrency=PETRI_NET, 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;@364df6aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-12 19:50:17,508 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-12 19:50:17,514 INFO L130 PetriNetUnfolder]: 6/34 cut-off events. [2022-12-12 19:50:17,515 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-12 19:50:17,515 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 19:50:17,515 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 19:50:17,516 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 19:50:17,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 19:50:17,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1402613233, now seen corresponding path program 1 times [2022-12-12 19:50:17,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 19:50:17,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934608428] [2022-12-12 19:50:17,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 19:50:17,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 19:50:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 19:50:18,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 19:50:18,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 19:50:18,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934608428] [2022-12-12 19:50:18,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934608428] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 19:50:18,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 19:50:18,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-12 19:50:18,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130311390] [2022-12-12 19:50:18,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 19:50:18,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-12 19:50:18,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 19:50:18,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-12 19:50:18,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-12 19:50:18,222 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 35 [2022-12-12 19:50:18,223 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 35 transitions, 94 flow. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 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) [2022-12-12 19:50:18,223 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 19:50:18,223 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 35 [2022-12-12 19:50:18,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 19:50:18,613 INFO L130 PetriNetUnfolder]: 2592/3424 cut-off events. [2022-12-12 19:50:18,613 INFO L131 PetriNetUnfolder]: For 281/281 co-relation queries the response was YES. [2022-12-12 19:50:18,618 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7062 conditions, 3424 events. 2592/3424 cut-off events. For 281/281 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 14384 event pairs, 355 based on Foata normal form. 0/2355 useless extension candidates. Maximal degree in co-relation 5848. Up to 1372 conditions per place. [2022-12-12 19:50:18,631 INFO L137 encePairwiseOnDemand]: 29/35 looper letters, 66 selfloop transitions, 6 changer transitions 9/84 dead transitions. [2022-12-12 19:50:18,631 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 84 transitions, 387 flow [2022-12-12 19:50:18,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-12 19:50:18,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-12 19:50:18,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 101 transitions. [2022-12-12 19:50:18,640 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.48095238095238096 [2022-12-12 19:50:18,643 INFO L295 CegarLoopForPetriNet]: 42 programPoint places, 5 predicate places. [2022-12-12 19:50:18,643 INFO L82 GeneralOperation]: Start removeDead. Operand has 47 places, 84 transitions, 387 flow [2022-12-12 19:50:18,653 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 47 places, 75 transitions, 339 flow [2022-12-12 19:50:18,655 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 75 transitions, 339 flow [2022-12-12 19:50:18,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 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) [2022-12-12 19:50:18,655 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 19:50:18,655 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 19:50:18,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-12 19:50:18,656 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 19:50:18,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 19:50:18,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1996718852, now seen corresponding path program 1 times [2022-12-12 19:50:18,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 19:50:18,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892188557] [2022-12-12 19:50:18,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 19:50:18,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 19:50:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 19:50:18,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 19:50:18,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 19:50:18,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892188557] [2022-12-12 19:50:18,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892188557] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 19:50:18,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 19:50:18,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-12 19:50:18,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542292696] [2022-12-12 19:50:18,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 19:50:18,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-12 19:50:18,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 19:50:18,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-12 19:50:18,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-12 19:50:18,771 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 35 [2022-12-12 19:50:18,771 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 75 transitions, 339 flow. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2022-12-12 19:50:18,771 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 19:50:18,771 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 35 [2022-12-12 19:50:18,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 19:50:19,157 INFO L130 PetriNetUnfolder]: 3185/4324 cut-off events. [2022-12-12 19:50:19,157 INFO L131 PetriNetUnfolder]: For 761/823 co-relation queries the response was YES. [2022-12-12 19:50:19,165 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12386 conditions, 4324 events. 3185/4324 cut-off events. For 761/823 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 19781 event pairs, 569 based on Foata normal form. 192/3250 useless extension candidates. Maximal degree in co-relation 7137. Up to 2567 conditions per place. [2022-12-12 19:50:19,180 INFO L137 encePairwiseOnDemand]: 29/35 looper letters, 64 selfloop transitions, 2 changer transitions 45/121 dead transitions. [2022-12-12 19:50:19,181 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 121 transitions, 775 flow [2022-12-12 19:50:19,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-12 19:50:19,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-12 19:50:19,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 95 transitions. [2022-12-12 19:50:19,182 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.5428571428571428 [2022-12-12 19:50:19,183 INFO L295 CegarLoopForPetriNet]: 42 programPoint places, 9 predicate places. [2022-12-12 19:50:19,183 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 121 transitions, 775 flow [2022-12-12 19:50:19,197 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 49 places, 76 transitions, 475 flow [2022-12-12 19:50:19,197 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 76 transitions, 475 flow [2022-12-12 19:50:19,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2022-12-12 19:50:19,197 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 19:50:19,198 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 19:50:19,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-12 19:50:19,198 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 19:50:19,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 19:50:19,198 INFO L85 PathProgramCache]: Analyzing trace with hash -761436935, now seen corresponding path program 1 times [2022-12-12 19:50:19,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 19:50:19,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495961872] [2022-12-12 19:50:19,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 19:50:19,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 19:50:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 19:50:19,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-12 19:50:19,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 19:50:19,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495961872] [2022-12-12 19:50:19,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495961872] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-12 19:50:19,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713908483] [2022-12-12 19:50:19,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 19:50:19,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 19:50:19,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 19:50:19,434 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-12 19:50:19,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-12 19:50:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 19:50:19,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-12 19:50:19,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-12 19:50:19,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-12 19:50:19,718 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-12 19:50:19,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-12 19:50:19,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713908483] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-12 19:50:19,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-12 19:50:19,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5, 6] total 14 [2022-12-12 19:50:19,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740297359] [2022-12-12 19:50:19,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 19:50:19,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-12 19:50:19,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 19:50:19,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-12 19:50:19,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2022-12-12 19:50:19,859 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 35 [2022-12-12 19:50:19,860 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 76 transitions, 475 flow. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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) [2022-12-12 19:50:19,860 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 19:50:19,860 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 35 [2022-12-12 19:50:19,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 19:50:20,345 INFO L130 PetriNetUnfolder]: 3403/4498 cut-off events. [2022-12-12 19:50:20,345 INFO L131 PetriNetUnfolder]: For 999/1061 co-relation queries the response was YES. [2022-12-12 19:50:20,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17746 conditions, 4498 events. 3403/4498 cut-off events. For 999/1061 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 20622 event pairs, 24 based on Foata normal form. 3/3101 useless extension candidates. Maximal degree in co-relation 16809. Up to 3884 conditions per place. [2022-12-12 19:50:20,376 INFO L137 encePairwiseOnDemand]: 27/35 looper letters, 157 selfloop transitions, 20 changer transitions 0/180 dead transitions. [2022-12-12 19:50:20,377 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 180 transitions, 1509 flow [2022-12-12 19:50:20,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-12 19:50:20,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-12 19:50:20,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 121 transitions. [2022-12-12 19:50:20,378 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.49387755102040815 [2022-12-12 19:50:20,379 INFO L295 CegarLoopForPetriNet]: 42 programPoint places, 13 predicate places. [2022-12-12 19:50:20,379 INFO L82 GeneralOperation]: Start removeDead. Operand has 55 places, 180 transitions, 1509 flow [2022-12-12 19:50:20,444 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 55 places, 180 transitions, 1509 flow [2022-12-12 19:50:20,444 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 180 transitions, 1509 flow [2022-12-12 19:50:20,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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) [2022-12-12 19:50:20,444 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 19:50:20,445 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 19:50:20,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-12-12 19:50:20,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 19:50:20,652 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 19:50:20,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 19:50:20,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1771870444, now seen corresponding path program 1 times [2022-12-12 19:50:20,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 19:50:20,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910586779] [2022-12-12 19:50:20,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 19:50:20,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 19:50:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 19:50:21,200 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 19:50:21,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 19:50:21,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910586779] [2022-12-12 19:50:21,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910586779] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-12 19:50:21,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137697184] [2022-12-12 19:50:21,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 19:50:21,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 19:50:21,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 19:50:21,202 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) [2022-12-12 19:50:21,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-12 19:50:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 19:50:21,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-12 19:50:21,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-12 19:50:21,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-12 19:50:21,816 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 19:50:21,816 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-12 19:50:21,988 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-12 19:50:21,988 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 26 treesize of output 22 [2022-12-12 19:50:22,244 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 19:50:22,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137697184] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-12 19:50:22,244 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-12 19:50:22,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 9] total 22 [2022-12-12 19:50:22,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491076181] [2022-12-12 19:50:22,245 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-12 19:50:22,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-12 19:50:22,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 19:50:22,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-12 19:50:22,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=436, Unknown=0, NotChecked=0, Total=552 [2022-12-12 19:50:22,247 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 35 [2022-12-12 19:50:22,248 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 180 transitions, 1509 flow. Second operand has 24 states, 24 states have (on average 6.291666666666667) internal successors, (151), 24 states have internal predecessors, (151), 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) [2022-12-12 19:50:22,248 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 19:50:22,248 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 35 [2022-12-12 19:50:22,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 19:50:27,349 INFO L130 PetriNetUnfolder]: 22369/29500 cut-off events. [2022-12-12 19:50:27,349 INFO L131 PetriNetUnfolder]: For 8556/8709 co-relation queries the response was YES. [2022-12-12 19:50:27,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 145019 conditions, 29500 events. 22369/29500 cut-off events. For 8556/8709 co-relation queries the response was YES. Maximal size of possible extension queue 1500. Compared 167431 event pairs, 504 based on Foata normal form. 86/19872 useless extension candidates. Maximal degree in co-relation 102370. Up to 26022 conditions per place. [2022-12-12 19:50:27,598 INFO L137 encePairwiseOnDemand]: 21/35 looper letters, 1160 selfloop transitions, 258 changer transitions 50/1471 dead transitions. [2022-12-12 19:50:27,598 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 1471 transitions, 15514 flow [2022-12-12 19:50:27,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-12-12 19:50:27,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2022-12-12 19:50:27,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 764 transitions. [2022-12-12 19:50:27,606 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.5197278911564626 [2022-12-12 19:50:27,608 INFO L295 CegarLoopForPetriNet]: 42 programPoint places, 54 predicate places. [2022-12-12 19:50:27,608 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 1471 transitions, 15514 flow [2022-12-12 19:50:27,763 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 96 places, 1421 transitions, 14966 flow [2022-12-12 19:50:27,764 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 1421 transitions, 14966 flow [2022-12-12 19:50:27,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 6.291666666666667) internal successors, (151), 24 states have internal predecessors, (151), 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) [2022-12-12 19:50:27,764 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 19:50:27,764 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 19:50:27,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-12 19:50:27,970 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,SelfDestructingSolverStorable3 [2022-12-12 19:50:27,974 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 19:50:27,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 19:50:27,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1224998044, now seen corresponding path program 2 times [2022-12-12 19:50:27,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 19:50:27,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285773285] [2022-12-12 19:50:27,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 19:50:27,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 19:50:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 19:50:28,718 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 19:50:28,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 19:50:28,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285773285] [2022-12-12 19:50:28,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285773285] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-12 19:50:28,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195881808] [2022-12-12 19:50:28,719 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-12 19:50:28,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 19:50:28,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 19:50:28,721 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) [2022-12-12 19:50:28,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-12 19:50:28,865 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-12 19:50:28,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-12 19:50:28,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 43 conjunts are in the unsatisfiable core [2022-12-12 19:50:28,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-12 19:50:28,879 INFO L350 Elim1Store]: Elim1 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 22 treesize of output 20 [2022-12-12 19:50:28,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 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 [2022-12-12 19:50:28,984 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 [2022-12-12 19:50:29,023 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 [2022-12-12 19:50:29,060 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 [2022-12-12 19:50:29,142 INFO L350 Elim1Store]: Elim1 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 [2022-12-12 19:50:29,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-12-12 19:50:29,222 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 19:50:29,222 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-12 19:50:29,686 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-12 19:50:29,687 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 70 treesize of output 58 [2022-12-12 19:50:29,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12027 treesize of output 11707 [2022-12-12 19:50:29,812 INFO L350 Elim1Store]: Elim1 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 6433 treesize of output 6193 [2022-12-12 19:50:29,910 INFO L350 Elim1Store]: Elim1 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 11467 treesize of output 10987 [2022-12-12 19:50:29,994 INFO L350 Elim1Store]: Elim1 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 10987 treesize of output 10027 [2022-12-12 19:50:30,072 INFO L350 Elim1Store]: Elim1 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 9206 treesize of output 7670 Received shutdown request... [2022-12-12 20:04:30,203 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-12-12 20:04:30,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-12 20:04:30,217 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 [2022-12-12 20:04:30,217 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-12 20:04:30,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 20:04:30,409 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was analyzing trace of length 32 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-25-3-3-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 context. [2022-12-12 20:04:30,410 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2022-12-12 20:04:30,411 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-12-12 20:04:30,411 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2022-12-12 20:04:30,411 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-12-12 20:04:30,411 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2022-12-12 20:04:30,413 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-12 20:04:30,413 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-12 20:04:30,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.12 08:04:30 BasicIcfg [2022-12-12 20:04:30,415 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-12 20:04:30,416 INFO L158 Benchmark]: Toolchain (without parser) took 863984.28ms. Allocated memory was 191.9MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 168.3MB in the beginning and 1.1GB in the end (delta: -911.4MB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2022-12-12 20:04:30,416 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 191.9MB. Free memory is still 168.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-12 20:04:30,416 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.82ms. Allocated memory is still 191.9MB. Free memory was 167.8MB in the beginning and 152.5MB in the end (delta: 15.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-12-12 20:04:30,416 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.86ms. Allocated memory is still 191.9MB. Free memory was 152.5MB in the beginning and 150.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-12 20:04:30,416 INFO L158 Benchmark]: Boogie Preprocessor took 47.32ms. Allocated memory is still 191.9MB. Free memory was 150.0MB in the beginning and 147.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-12 20:04:30,417 INFO L158 Benchmark]: RCFGBuilder took 795.82ms. Allocated memory is still 191.9MB. Free memory was 147.9MB in the beginning and 103.3MB in the end (delta: 44.6MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. [2022-12-12 20:04:30,417 INFO L158 Benchmark]: TraceAbstraction took 862796.84ms. Allocated memory was 191.9MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 101.7MB in the beginning and 1.1GB in the end (delta: -978.0MB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2022-12-12 20:04:30,418 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 191.9MB. Free memory is still 168.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 282.82ms. Allocated memory is still 191.9MB. Free memory was 167.8MB in the beginning and 152.5MB in the end (delta: 15.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.86ms. Allocated memory is still 191.9MB. Free memory was 152.5MB in the beginning and 150.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 47.32ms. Allocated memory is still 191.9MB. Free memory was 150.0MB in the beginning and 147.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 795.82ms. Allocated memory is still 191.9MB. Free memory was 147.9MB in the beginning and 103.3MB in the end (delta: 44.6MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. * TraceAbstraction took 862796.84ms. Allocated memory was 191.9MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 101.7MB in the beginning and 1.1GB in the end (delta: -978.0MB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.5s, 204 PlacesBefore, 42 PlacesAfterwards, 210 TransitionsBefore, 35 TransitionsAfterwards, 1824 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 131 TrivialYvCompositions, 31 ConcurrentYvCompositions, 13 ChoiceCompositions, 175 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 962, independent: 948, independent conditional: 948, independent unconditional: 0, dependent: 14, dependent conditional: 14, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 962, independent: 948, independent conditional: 0, independent unconditional: 948, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 962, independent: 948, independent conditional: 0, independent unconditional: 948, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 962, independent: 948, independent conditional: 0, independent unconditional: 948, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 899, independent: 890, independent conditional: 0, independent unconditional: 890, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 899, independent: 889, independent conditional: 0, independent unconditional: 889, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 73, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 962, independent: 58, independent conditional: 0, independent unconditional: 58, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 899, unknown conditional: 0, unknown unconditional: 899] , Statistics on independence cache: Total cache size (in pairs): 1352, Positive cache size: 1343, Positive conditional cache size: 0, Positive unconditional cache size: 1343, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - TimeoutResultAtElement [Line: 150]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was analyzing trace of length 32 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-25-3-3-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 141]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 32 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-25-3-3-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 140]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 32 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-25-3-3-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 142]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 32 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-25-3-3-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 143]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 32 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-25-3-3-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 240 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.2s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 862.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1124 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1124 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 100 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1726 IncrementalHoareTripleChecker+Invalid, 1826 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 100 mSolverCounterUnsat, 1 mSDtfsCounter, 1726 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 740 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14966occurred in iteration=4, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 896 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 227 ConstructedInterpolants, 0 QuantifiedInterpolants, 2787 SizeOfPredicates, 46 NumberOfNonLiveVariables, 692 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 5/16 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