/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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-time-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-11 19:30:03,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-11 19:30:03,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-11 19:30:03,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-11 19:30:03,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-11 19:30:03,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-11 19:30:03,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-11 19:30:03,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-11 19:30:03,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-11 19:30:03,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-11 19:30:03,036 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-11 19:30:03,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-11 19:30:03,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-11 19:30:03,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-11 19:30:03,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-11 19:30:03,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-11 19:30:03,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-11 19:30:03,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-11 19:30:03,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-11 19:30:03,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-11 19:30:03,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-11 19:30:03,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-11 19:30:03,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-11 19:30:03,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-11 19:30:03,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-11 19:30:03,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-11 19:30:03,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-11 19:30:03,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-11 19:30:03,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-11 19:30:03,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-11 19:30:03,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-11 19:30:03,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-11 19:30:03,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-11 19:30:03,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-11 19:30:03,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-11 19:30:03,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-11 19:30:03,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-11 19:30:03,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-11 19:30:03,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-11 19:30:03,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-11 19:30:03,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-11 19:30:03,056 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-NoLbe.epf [2022-12-11 19:30:03,072 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-11 19:30:03,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-11 19:30:03,072 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-11 19:30:03,073 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-11 19:30:03,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-11 19:30:03,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-11 19:30:03,073 INFO L138 SettingsManager]: * Use SBE=true [2022-12-11 19:30:03,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-11 19:30:03,073 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-11 19:30:03,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-11 19:30:03,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-11 19:30:03,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-11 19:30:03,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-11 19:30:03,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-11 19:30:03,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-11 19:30:03,074 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-11 19:30:03,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-11 19:30:03,074 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-11 19:30:03,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-11 19:30:03,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-11 19:30:03,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-11 19:30:03,075 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-11 19:30:03,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-11 19:30:03,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 19:30:03,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-11 19:30:03,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-11 19:30:03,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-11 19:30:03,076 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-11 19:30:03,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-11 19:30:03,076 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-11 19:30:03,076 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-11 19:30:03,076 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-11 19:30:03,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-11 19:30:03,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-11 19:30:03,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-11 19:30:03,353 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-11 19:30:03,353 INFO L275 PluginConnector]: CDTParser initialized [2022-12-11 19:30:03,354 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-time-symm.wvr.c [2022-12-11 19:30:04,328 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-11 19:30:04,493 INFO L351 CDTParser]: Found 1 translation units. [2022-12-11 19:30:04,493 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-symm.wvr.c [2022-12-11 19:30:04,498 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cca0e150/e4feed7cc1ef41e5a3ed485612a7e92a/FLAGf2422202d [2022-12-11 19:30:04,509 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cca0e150/e4feed7cc1ef41e5a3ed485612a7e92a [2022-12-11 19:30:04,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-11 19:30:04,512 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-11 19:30:04,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-11 19:30:04,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-11 19:30:04,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-11 19:30:04,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 07:30:04" (1/1) ... [2022-12-11 19:30:04,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f4c03cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:30:04, skipping insertion in model container [2022-12-11 19:30:04,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 07:30:04" (1/1) ... [2022-12-11 19:30:04,520 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-11 19:30:04,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-11 19:30:04,625 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:30:04,626 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:30:04,627 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:30:04,629 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:30:04,644 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/chl-time-symm.wvr.c[2494,2507] [2022-12-11 19:30:04,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 19:30:04,662 INFO L203 MainTranslator]: Completed pre-run [2022-12-11 19:30:04,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:30:04,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:30:04,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:30:04,673 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:30:04,677 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/chl-time-symm.wvr.c[2494,2507] [2022-12-11 19:30:04,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 19:30:04,688 INFO L208 MainTranslator]: Completed translation [2022-12-11 19:30:04,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:30:04 WrapperNode [2022-12-11 19:30:04,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-11 19:30:04,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-11 19:30:04,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-11 19:30:04,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-11 19:30:04,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:30:04" (1/1) ... [2022-12-11 19:30:04,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:30:04" (1/1) ... [2022-12-11 19:30:04,716 INFO L138 Inliner]: procedures = 22, calls = 29, calls flagged for inlining = 9, calls inlined = 15, statements flattened = 148 [2022-12-11 19:30:04,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-11 19:30:04,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-11 19:30:04,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-11 19:30:04,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-11 19:30:04,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:30:04" (1/1) ... [2022-12-11 19:30:04,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:30:04" (1/1) ... [2022-12-11 19:30:04,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:30:04" (1/1) ... [2022-12-11 19:30:04,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:30:04" (1/1) ... [2022-12-11 19:30:04,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:30:04" (1/1) ... [2022-12-11 19:30:04,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:30:04" (1/1) ... [2022-12-11 19:30:04,743 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:30:04" (1/1) ... [2022-12-11 19:30:04,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:30:04" (1/1) ... [2022-12-11 19:30:04,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-11 19:30:04,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-11 19:30:04,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-11 19:30:04,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-11 19:30:04,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:30:04" (1/1) ... [2022-12-11 19:30:04,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 19:30:04,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 19:30:04,817 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) [2022-12-11 19:30:04,844 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 [2022-12-11 19:30:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-11 19:30:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-11 19:30:04,876 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-11 19:30:04,877 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-11 19:30:04,877 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-11 19:30:04,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-11 19:30:04,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-11 19:30:04,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-11 19:30:04,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-11 19:30:04,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-11 19:30:04,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-11 19:30:04,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-11 19:30:04,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-11 19:30:04,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-11 19:30:04,879 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-11 19:30:04,944 INFO L236 CfgBuilder]: Building ICFG [2022-12-11 19:30:04,945 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-11 19:30:05,235 INFO L277 CfgBuilder]: Performing block encoding [2022-12-11 19:30:05,477 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-11 19:30:05,477 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-11 19:30:05,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 07:30:05 BoogieIcfgContainer [2022-12-11 19:30:05,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-11 19:30:05,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-11 19:30:05,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-11 19:30:05,486 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-11 19:30:05,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.12 07:30:04" (1/3) ... [2022-12-11 19:30:05,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12ec6a31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 07:30:05, skipping insertion in model container [2022-12-11 19:30:05,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:30:04" (2/3) ... [2022-12-11 19:30:05,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12ec6a31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 07:30:05, skipping insertion in model container [2022-12-11 19:30:05,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 07:30:05" (3/3) ... [2022-12-11 19:30:05,488 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-symm.wvr.c [2022-12-11 19:30:05,503 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-11 19:30:05,503 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-11 19:30:05,503 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-11 19:30:05,547 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-11 19:30:05,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 77 transitions, 170 flow [2022-12-11 19:30:05,636 INFO L130 PetriNetUnfolder]: 1/75 cut-off events. [2022-12-11 19:30:05,636 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-11 19:30:05,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 75 events. 1/75 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 13 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place. [2022-12-11 19:30:05,639 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 77 transitions, 170 flow [2022-12-11 19:30:05,645 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 73 places, 67 transitions, 146 flow [2022-12-11 19:30:05,656 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-11 19:30:05,662 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;@2f829173, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-11 19:30:05,662 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-11 19:30:05,705 INFO L130 PetriNetUnfolder]: 1/66 cut-off events. [2022-12-11 19:30:05,705 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-11 19:30:05,705 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 19:30:05,706 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, 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, 1, 1, 1] [2022-12-11 19:30:05,706 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 19:30:05,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 19:30:05,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1807983886, now seen corresponding path program 1 times [2022-12-11 19:30:05,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 19:30:05,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129553594] [2022-12-11 19:30:05,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 19:30:05,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 19:30:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 19:30:06,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 19:30:06,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 19:30:06,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129553594] [2022-12-11 19:30:06,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129553594] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 19:30:06,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 19:30:06,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-11 19:30:06,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260940219] [2022-12-11 19:30:06,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 19:30:06,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-11 19:30:06,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 19:30:06,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-11 19:30:06,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-11 19:30:06,956 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 77 [2022-12-11 19:30:06,958 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 67 transitions, 146 flow. Second operand has 6 states, 6 states have (on average 55.666666666666664) internal successors, (334), 6 states have internal predecessors, (334), 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) [2022-12-11 19:30:06,958 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 19:30:06,958 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 77 [2022-12-11 19:30:06,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 19:30:07,200 INFO L130 PetriNetUnfolder]: 2/90 cut-off events. [2022-12-11 19:30:07,200 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2022-12-11 19:30:07,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 90 events. 2/90 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 91 event pairs, 0 based on Foata normal form. 2/91 useless extension candidates. Maximal degree in co-relation 37. Up to 16 conditions per place. [2022-12-11 19:30:07,202 INFO L137 encePairwiseOnDemand]: 70/77 looper letters, 21 selfloop transitions, 1 changer transitions 9/74 dead transitions. [2022-12-11 19:30:07,202 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 74 transitions, 231 flow [2022-12-11 19:30:07,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-11 19:30:07,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-11 19:30:07,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 398 transitions. [2022-12-11 19:30:07,217 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.738404452690167 [2022-12-11 19:30:07,218 INFO L175 Difference]: Start difference. First operand has 73 places, 67 transitions, 146 flow. Second operand 7 states and 398 transitions. [2022-12-11 19:30:07,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 74 transitions, 231 flow [2022-12-11 19:30:07,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 74 transitions, 217 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-11 19:30:07,223 INFO L231 Difference]: Finished difference. Result has 79 places, 65 transitions, 145 flow [2022-12-11 19:30:07,224 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=145, PETRI_PLACES=79, PETRI_TRANSITIONS=65} [2022-12-11 19:30:07,227 INFO L295 CegarLoopForPetriNet]: 73 programPoint places, 6 predicate places. [2022-12-11 19:30:07,227 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 65 transitions, 145 flow [2022-12-11 19:30:07,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 55.666666666666664) internal successors, (334), 6 states have internal predecessors, (334), 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) [2022-12-11 19:30:07,228 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 19:30:07,228 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, 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, 1, 1, 1] [2022-12-11 19:30:07,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-11 19:30:07,228 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 19:30:07,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 19:30:07,229 INFO L85 PathProgramCache]: Analyzing trace with hash -2037437968, now seen corresponding path program 2 times [2022-12-11 19:30:07,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 19:30:07,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657116536] [2022-12-11 19:30:07,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 19:30:07,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 19:30:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 19:30:07,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 19:30:07,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 19:30:07,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657116536] [2022-12-11 19:30:07,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657116536] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 19:30:07,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 19:30:07,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-11 19:30:07,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465138566] [2022-12-11 19:30:07,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 19:30:07,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-11 19:30:07,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 19:30:07,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-11 19:30:07,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-11 19:30:07,849 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 77 [2022-12-11 19:30:07,850 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 65 transitions, 145 flow. Second operand has 6 states, 6 states have (on average 55.666666666666664) internal successors, (334), 6 states have internal predecessors, (334), 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) [2022-12-11 19:30:07,850 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 19:30:07,850 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 77 [2022-12-11 19:30:07,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 19:30:08,004 INFO L130 PetriNetUnfolder]: 1/72 cut-off events. [2022-12-11 19:30:08,008 INFO L131 PetriNetUnfolder]: For 9/12 co-relation queries the response was YES. [2022-12-11 19:30:08,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 72 events. 1/72 cut-off events. For 9/12 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 42 event pairs, 1 based on Foata normal form. 3/74 useless extension candidates. Maximal degree in co-relation 106. Up to 19 conditions per place. [2022-12-11 19:30:08,010 INFO L137 encePairwiseOnDemand]: 72/77 looper letters, 0 selfloop transitions, 0 changer transitions 64/64 dead transitions. [2022-12-11 19:30:08,010 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 64 transitions, 191 flow [2022-12-11 19:30:08,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-11 19:30:08,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-11 19:30:08,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 336 transitions. [2022-12-11 19:30:08,012 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7272727272727273 [2022-12-11 19:30:08,012 INFO L175 Difference]: Start difference. First operand has 79 places, 65 transitions, 145 flow. Second operand 6 states and 336 transitions. [2022-12-11 19:30:08,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 64 transitions, 191 flow [2022-12-11 19:30:08,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 64 transitions, 185 flow, removed 2 selfloop flow, removed 3 redundant places. [2022-12-11 19:30:08,014 INFO L231 Difference]: Finished difference. Result has 73 places, 0 transitions, 0 flow [2022-12-11 19:30:08,014 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=73, PETRI_TRANSITIONS=0} [2022-12-11 19:30:08,015 INFO L295 CegarLoopForPetriNet]: 73 programPoint places, 0 predicate places. [2022-12-11 19:30:08,015 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 0 transitions, 0 flow [2022-12-11 19:30:08,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 55.666666666666664) internal successors, (334), 6 states have internal predecessors, (334), 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) [2022-12-11 19:30:08,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-11 19:30:08,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-11 19:30:08,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-12-11 19:30:08,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-11 19:30:08,019 INFO L445 BasicCegarLoop]: Path program histogram: [2] [2022-12-11 19:30:08,021 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-11 19:30:08,021 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-11 19:30:08,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.12 07:30:08 BasicIcfg [2022-12-11 19:30:08,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-11 19:30:08,029 INFO L158 Benchmark]: Toolchain (without parser) took 3517.46ms. Allocated memory was 170.9MB in the beginning and 213.9MB in the end (delta: 43.0MB). Free memory was 132.9MB in the beginning and 128.4MB in the end (delta: 4.5MB). Peak memory consumption was 48.4MB. Max. memory is 8.0GB. [2022-12-11 19:30:08,030 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 170.9MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-11 19:30:08,030 INFO L158 Benchmark]: CACSL2BoogieTranslator took 175.70ms. Allocated memory is still 170.9MB. Free memory was 132.7MB in the beginning and 121.2MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-12-11 19:30:08,030 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.36ms. Allocated memory is still 170.9MB. Free memory was 121.2MB in the beginning and 119.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-11 19:30:08,032 INFO L158 Benchmark]: Boogie Preprocessor took 26.09ms. Allocated memory is still 170.9MB. Free memory was 119.1MB in the beginning and 117.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-11 19:30:08,032 INFO L158 Benchmark]: RCFGBuilder took 735.66ms. Allocated memory is still 170.9MB. Free memory was 117.5MB in the beginning and 73.5MB in the end (delta: 44.1MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. [2022-12-11 19:30:08,033 INFO L158 Benchmark]: TraceAbstraction took 2545.54ms. Allocated memory was 170.9MB in the beginning and 213.9MB in the end (delta: 43.0MB). Free memory was 72.4MB in the beginning and 128.4MB in the end (delta: -56.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-11 19:30:08,038 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 170.9MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 175.70ms. Allocated memory is still 170.9MB. Free memory was 132.7MB in the beginning and 121.2MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.36ms. Allocated memory is still 170.9MB. Free memory was 121.2MB in the beginning and 119.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.09ms. Allocated memory is still 170.9MB. Free memory was 119.1MB in the beginning and 117.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 735.66ms. Allocated memory is still 170.9MB. Free memory was 117.5MB in the beginning and 73.5MB in the end (delta: 44.1MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. * TraceAbstraction took 2545.54ms. Allocated memory was 170.9MB in the beginning and 213.9MB in the end (delta: 43.0MB). Free memory was 72.4MB in the beginning and 128.4MB in the end (delta: -56.0MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 80]: 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, 87 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: 2.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 102 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 75 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 108 IncrementalHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 27 mSDtfsCounter, 108 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=146occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 1261 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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! [2022-12-11 19:30:08,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...