/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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-2-unrolled.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 21:19:16,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 21:19:16,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 21:19:16,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 21:19:16,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 21:19:16,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 21:19:16,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 21:19:16,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 21:19:16,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 21:19:16,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 21:19:16,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 21:19:16,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 21:19:16,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 21:19:16,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 21:19:16,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 21:19:16,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 21:19:16,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 21:19:16,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 21:19:16,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 21:19:16,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 21:19:16,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 21:19:16,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 21:19:16,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 21:19:16,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 21:19:16,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 21:19:16,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 21:19:16,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 21:19:16,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 21:19:16,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 21:19:16,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 21:19:16,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 21:19:16,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 21:19:16,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 21:19:16,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 21:19:16,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 21:19:16,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 21:19:16,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 21:19:16,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 21:19:16,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 21:19:16,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 21:19:16,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 21:19:16,622 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 [2022-12-05 21:19:16,646 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 21:19:16,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 21:19:16,647 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-05 21:19:16,647 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-05 21:19:16,647 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 21:19:16,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 21:19:16,648 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 21:19:16,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 21:19:16,648 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 21:19:16,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 21:19:16,649 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 21:19:16,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 21:19:16,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 21:19:16,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 21:19:16,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 21:19:16,650 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 21:19:16,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 21:19:16,650 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 21:19:16,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 21:19:16,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 21:19:16,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 21:19:16,650 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 21:19:16,650 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 21:19:16,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 21:19:16,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 21:19:16,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 21:19:16,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 21:19:16,651 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 21:19:16,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 21:19:16,651 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-05 21:19:16,651 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 21:19:16,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 21:19:16,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 21:19:16,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 21:19:16,891 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 21:19:16,891 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 21:19:16,892 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-2-unrolled.wvr.c [2022-12-05 21:19:18,011 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 21:19:18,194 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 21:19:18,195 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2-unrolled.wvr.c [2022-12-05 21:19:18,199 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea0fcfe66/e189ac1a05404aeb97a483ba4cc7ce76/FLAG83a4b01ce [2022-12-05 21:19:18,211 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea0fcfe66/e189ac1a05404aeb97a483ba4cc7ce76 [2022-12-05 21:19:18,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 21:19:18,214 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 21:19:18,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 21:19:18,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 21:19:18,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 21:19:18,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:19:18" (1/1) ... [2022-12-05 21:19:18,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310ba04b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:19:18, skipping insertion in model container [2022-12-05 21:19:18,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:19:18" (1/1) ... [2022-12-05 21:19:18,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 21:19:18,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 21:19:18,315 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 21:19:18,316 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 21:19:18,316 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 21:19:18,317 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 21:19:18,318 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 21:19:18,319 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 21:19:18,319 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 21:19:18,319 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 21:19:18,324 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/parallel-misc-2-unrolled.wvr.c[2332,2345] [2022-12-05 21:19:18,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 21:19:18,331 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 21:19:18,339 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 21:19:18,339 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 21:19:18,339 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 21:19:18,340 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 21:19:18,340 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 21:19:18,341 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 21:19:18,341 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 21:19:18,341 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 21:19:18,344 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/parallel-misc-2-unrolled.wvr.c[2332,2345] [2022-12-05 21:19:18,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 21:19:18,352 INFO L208 MainTranslator]: Completed translation [2022-12-05 21:19:18,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:19:18 WrapperNode [2022-12-05 21:19:18,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 21:19:18,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 21:19:18,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 21:19:18,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 21:19:18,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:19:18" (1/1) ... [2022-12-05 21:19:18,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:19:18" (1/1) ... [2022-12-05 21:19:18,372 INFO L138 Inliner]: procedures = 20, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2022-12-05 21:19:18,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 21:19:18,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 21:19:18,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 21:19:18,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 21:19:18,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:19:18" (1/1) ... [2022-12-05 21:19:18,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:19:18" (1/1) ... [2022-12-05 21:19:18,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:19:18" (1/1) ... [2022-12-05 21:19:18,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:19:18" (1/1) ... [2022-12-05 21:19:18,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:19:18" (1/1) ... [2022-12-05 21:19:18,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:19:18" (1/1) ... [2022-12-05 21:19:18,385 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:19:18" (1/1) ... [2022-12-05 21:19:18,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:19:18" (1/1) ... [2022-12-05 21:19:18,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 21:19:18,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 21:19:18,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 21:19:18,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 21:19:18,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:19:18" (1/1) ... [2022-12-05 21:19:18,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 21:19:18,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 21:19:18,408 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) [2022-12-05 21:19:18,462 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 [2022-12-05 21:19:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 21:19:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-05 21:19:18,488 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-05 21:19:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-05 21:19:18,488 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-05 21:19:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 21:19:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 21:19:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 21:19:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-05 21:19:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-05 21:19:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 21:19:18,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 21:19:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 21:19:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 21:19:18,490 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 21:19:18,595 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 21:19:18,596 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 21:19:18,762 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 21:19:18,782 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 21:19:18,782 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-05 21:19:18,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:19:18 BoogieIcfgContainer [2022-12-05 21:19:18,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 21:19:18,786 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 21:19:18,786 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 21:19:18,788 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 21:19:18,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 09:19:18" (1/3) ... [2022-12-05 21:19:18,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0daaa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 09:19:18, skipping insertion in model container [2022-12-05 21:19:18,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:19:18" (2/3) ... [2022-12-05 21:19:18,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0daaa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 09:19:18, skipping insertion in model container [2022-12-05 21:19:18,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:19:18" (3/3) ... [2022-12-05 21:19:18,790 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2-unrolled.wvr.c [2022-12-05 21:19:18,819 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 21:19:18,819 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-05 21:19:18,819 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 21:19:18,880 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-05 21:19:18,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 92 places, 91 transitions, 198 flow [2022-12-05 21:19:18,960 INFO L130 PetriNetUnfolder]: 6/89 cut-off events. [2022-12-05 21:19:18,961 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 21:19:18,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 89 events. 6/89 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 71 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2022-12-05 21:19:18,964 INFO L82 GeneralOperation]: Start removeDead. Operand has 92 places, 91 transitions, 198 flow [2022-12-05 21:19:18,969 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 82 places, 81 transitions, 174 flow [2022-12-05 21:19:18,970 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 21:19:18,992 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 81 transitions, 174 flow [2022-12-05 21:19:18,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 82 places, 81 transitions, 174 flow [2022-12-05 21:19:19,023 INFO L130 PetriNetUnfolder]: 6/81 cut-off events. [2022-12-05 21:19:19,023 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 21:19:19,024 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 81 events. 6/81 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2022-12-05 21:19:19,026 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 81 transitions, 174 flow [2022-12-05 21:19:19,026 INFO L188 LiptonReduction]: Number of co-enabled transitions 728 [2022-12-05 21:19:21,219 INFO L203 LiptonReduction]: Total number of compositions: 68 [2022-12-05 21:19:21,235 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 21:19:21,241 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;@677063e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 21:19:21,241 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-05 21:19:21,244 INFO L130 PetriNetUnfolder]: 2/12 cut-off events. [2022-12-05 21:19:21,244 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 21:19:21,245 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 21:19:21,245 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 21:19:21,245 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-05 21:19:21,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 21:19:21,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1216658665, now seen corresponding path program 1 times [2022-12-05 21:19:21,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 21:19:21,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953511406] [2022-12-05 21:19:21,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 21:19:21,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 21:19:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 21:19:21,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 21:19:21,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 21:19:21,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953511406] [2022-12-05 21:19:21,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953511406] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 21:19:21,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 21:19:21,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 21:19:21,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69017223] [2022-12-05 21:19:21,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 21:19:21,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-05 21:19:21,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 21:19:21,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-05 21:19:21,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-05 21:19:21,663 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 13 [2022-12-05 21:19:21,664 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 13 transitions, 38 flow. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-12-05 21:19:21,664 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 21:19:21,664 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 13 [2022-12-05 21:19:21,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 21:19:21,740 INFO L130 PetriNetUnfolder]: 41/76 cut-off events. [2022-12-05 21:19:21,741 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-12-05 21:19:21,742 INFO L83 FinitePrefix]: Finished finitePrefix Result has 172 conditions, 76 events. 41/76 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 164 event pairs, 9 based on Foata normal form. 2/54 useless extension candidates. Maximal degree in co-relation 120. Up to 49 conditions per place. [2022-12-05 21:19:21,743 INFO L137 encePairwiseOnDemand]: 9/13 looper letters, 0 selfloop transitions, 0 changer transitions 22/22 dead transitions. [2022-12-05 21:19:21,743 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 22 transitions, 109 flow [2022-12-05 21:19:21,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-05 21:19:21,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-05 21:19:21,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2022-12-05 21:19:21,752 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.46153846153846156 [2022-12-05 21:19:21,754 INFO L175 Difference]: Start difference. First operand has 18 places, 13 transitions, 38 flow. Second operand 4 states and 24 transitions. [2022-12-05 21:19:21,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 22 transitions, 109 flow [2022-12-05 21:19:21,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 16 places, 22 transitions, 95 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-05 21:19:21,759 INFO L231 Difference]: Finished difference. Result has 16 places, 0 transitions, 0 flow [2022-12-05 21:19:21,760 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=13, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=16, PETRI_TRANSITIONS=0} [2022-12-05 21:19:21,764 INFO L294 CegarLoopForPetriNet]: 18 programPoint places, -2 predicate places. [2022-12-05 21:19:21,765 INFO L495 AbstractCegarLoop]: Abstraction has has 16 places, 0 transitions, 0 flow [2022-12-05 21:19:21,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-12-05 21:19:21,767 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-05 21:19:21,767 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-05 21:19:21,768 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-12-05 21:19:21,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 21:19:21,768 INFO L458 BasicCegarLoop]: Path program histogram: [1] [2022-12-05 21:19:21,779 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 21:19:21,779 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 21:19:21,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 09:19:21 BasicIcfg [2022-12-05 21:19:21,786 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 21:19:21,787 INFO L158 Benchmark]: Toolchain (without parser) took 3573.24ms. Allocated memory was 203.4MB in the beginning and 257.9MB in the end (delta: 54.5MB). Free memory was 179.3MB in the beginning and 225.6MB in the end (delta: -46.3MB). Peak memory consumption was 96.6MB. Max. memory is 8.0GB. [2022-12-05 21:19:21,788 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 127.9MB. Free memory was 106.1MB in the beginning and 106.0MB in the end (delta: 65.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 21:19:21,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 138.54ms. Allocated memory is still 203.4MB. Free memory was 179.2MB in the beginning and 167.2MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-05 21:19:21,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.38ms. Allocated memory is still 203.4MB. Free memory was 167.2MB in the beginning and 165.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-05 21:19:21,795 INFO L158 Benchmark]: Boogie Preprocessor took 13.57ms. Allocated memory is still 203.4MB. Free memory was 165.5MB in the beginning and 164.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-05 21:19:21,796 INFO L158 Benchmark]: RCFGBuilder took 396.93ms. Allocated memory is still 203.4MB. Free memory was 164.1MB in the beginning and 150.9MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-05 21:19:21,796 INFO L158 Benchmark]: TraceAbstraction took 3000.75ms. Allocated memory was 203.4MB in the beginning and 257.9MB in the end (delta: 54.5MB). Free memory was 150.1MB in the beginning and 225.6MB in the end (delta: -75.5MB). Peak memory consumption was 67.2MB. Max. memory is 8.0GB. [2022-12-05 21:19:21,797 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 127.9MB. Free memory was 106.1MB in the beginning and 106.0MB in the end (delta: 65.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 138.54ms. Allocated memory is still 203.4MB. Free memory was 179.2MB in the beginning and 167.2MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.38ms. Allocated memory is still 203.4MB. Free memory was 167.2MB in the beginning and 165.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.57ms. Allocated memory is still 203.4MB. Free memory was 165.5MB in the beginning and 164.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 396.93ms. Allocated memory is still 203.4MB. Free memory was 164.1MB in the beginning and 150.9MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 3000.75ms. Allocated memory was 203.4MB in the beginning and 257.9MB in the end (delta: 54.5MB). Free memory was 150.1MB in the beginning and 225.6MB in the end (delta: -75.5MB). Peak memory consumption was 67.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.2s, 82 PlacesBefore, 18 PlacesAfterwards, 81 TransitionsBefore, 13 TransitionsAfterwards, 728 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 37 TrivialYvCompositions, 27 ConcurrentYvCompositions, 4 ChoiceCompositions, 68 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 381, independent: 381, independent conditional: 381, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 381, independent: 381, independent conditional: 0, independent unconditional: 381, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 381, independent: 381, independent conditional: 0, independent unconditional: 381, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 381, independent: 381, independent conditional: 0, independent unconditional: 381, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 381, independent: 381, independent conditional: 0, independent unconditional: 381, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 381, independent: 366, independent conditional: 0, independent unconditional: 366, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 25, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 381, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 381, unknown conditional: 0, unknown unconditional: 381] , Statistics on independence cache: Total cache size (in pairs): 666, Positive cache size: 666, Positive conditional cache size: 0, Positive unconditional cache size: 666, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 87]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 112 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 0 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 4, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 132 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-05 21:19:21,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...