./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449aedb7-fe72-4f07-8fbf-6dbee5434b96/bin/ugemcutter-aZbSL5k0Dw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449aedb7-fe72-4f07-8fbf-6dbee5434b96/bin/ugemcutter-aZbSL5k0Dw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449aedb7-fe72-4f07-8fbf-6dbee5434b96/bin/ugemcutter-aZbSL5k0Dw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449aedb7-fe72-4f07-8fbf-6dbee5434b96/bin/ugemcutter-aZbSL5k0Dw/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449aedb7-fe72-4f07-8fbf-6dbee5434b96/bin/ugemcutter-aZbSL5k0Dw/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449aedb7-fe72-4f07-8fbf-6dbee5434b96/bin/ugemcutter-aZbSL5k0Dw --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 72bbcf79bf9ab9dc66dc1f84247eb131a6de5c94da8e4a071481d48ca23ad8fa --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:20:33,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:20:33,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:20:33,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:20:33,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:20:33,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:20:33,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:20:33,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:20:33,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:20:33,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:20:33,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:20:33,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:20:33,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:20:33,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:20:33,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:20:33,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:20:33,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:20:33,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:20:33,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:20:33,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:20:33,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:20:33,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:20:33,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:20:33,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:20:33,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:20:33,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:20:33,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:20:33,287 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:20:33,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:20:33,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:20:33,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:20:33,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:20:33,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:20:33,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:20:33,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:20:33,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:20:33,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:20:33,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:20:33,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:20:33,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:20:33,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:20:33,312 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449aedb7-fe72-4f07-8fbf-6dbee5434b96/bin/ugemcutter-aZbSL5k0Dw/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-23 14:20:33,373 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:20:33,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:20:33,374 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:20:33,374 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:20:33,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 14:20:33,375 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 14:20:33,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:20:33,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:20:33,376 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:20:33,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:20:33,377 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 14:20:33,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 14:20:33,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 14:20:33,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:20:33,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 14:20:33,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 14:20:33,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 14:20:33,386 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 14:20:33,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:20:33,387 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:20:33,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 14:20:33,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:20:33,387 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:20:33,388 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-23 14:20:33,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 14:20:33,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:20:33,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:20:33,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 14:20:33,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 14:20:33,392 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 14:20:33,392 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-23 14:20:33,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 14:20:33,393 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 14:20:33,393 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-23 14:20:33,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 14:20:33,394 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-23 14:20:33,395 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-23 14:20:33,395 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449aedb7-fe72-4f07-8fbf-6dbee5434b96/bin/ugemcutter-aZbSL5k0Dw/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449aedb7-fe72-4f07-8fbf-6dbee5434b96/bin/ugemcutter-aZbSL5k0Dw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72bbcf79bf9ab9dc66dc1f84247eb131a6de5c94da8e4a071481d48ca23ad8fa [2021-11-23 14:20:33,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:20:33,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:20:33,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:20:33,748 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:20:33,749 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:20:33,750 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449aedb7-fe72-4f07-8fbf-6dbee5434b96/bin/ugemcutter-aZbSL5k0Dw/../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2021-11-23 14:20:33,843 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449aedb7-fe72-4f07-8fbf-6dbee5434b96/bin/ugemcutter-aZbSL5k0Dw/data/d8521bd38/27a09903f8c740c9bcd6df94e9305d5f/FLAG741ed090e [2021-11-23 14:20:34,402 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:20:34,403 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449aedb7-fe72-4f07-8fbf-6dbee5434b96/sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2021-11-23 14:20:34,410 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449aedb7-fe72-4f07-8fbf-6dbee5434b96/bin/ugemcutter-aZbSL5k0Dw/data/d8521bd38/27a09903f8c740c9bcd6df94e9305d5f/FLAG741ed090e [2021-11-23 14:20:34,792 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449aedb7-fe72-4f07-8fbf-6dbee5434b96/bin/ugemcutter-aZbSL5k0Dw/data/d8521bd38/27a09903f8c740c9bcd6df94e9305d5f [2021-11-23 14:20:34,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:20:34,797 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:20:34,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:20:34,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:20:34,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:20:34,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:20:34" (1/1) ... [2021-11-23 14:20:34,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28889f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:34, skipping insertion in model container [2021-11-23 14:20:34,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:20:34" (1/1) ... [2021-11-23 14:20:34,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:20:34,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:20:35,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449aedb7-fe72-4f07-8fbf-6dbee5434b96/sv-benchmarks/c/weaver/chl-time-symm.wvr.c[2494,2507] [2021-11-23 14:20:35,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:20:35,052 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 14:20:35,075 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449aedb7-fe72-4f07-8fbf-6dbee5434b96/sv-benchmarks/c/weaver/chl-time-symm.wvr.c[2494,2507] [2021-11-23 14:20:35,078 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:20:35,093 INFO L208 MainTranslator]: Completed translation [2021-11-23 14:20:35,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:35 WrapperNode [2021-11-23 14:20:35,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:20:35,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 14:20:35,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 14:20:35,095 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 14:20:35,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:35" (1/1) ... [2021-11-23 14:20:35,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:35" (1/1) ... [2021-11-23 14:20:35,140 INFO L137 Inliner]: procedures = 22, calls = 29, calls flagged for inlining = 9, calls inlined = 15, statements flattened = 164 [2021-11-23 14:20:35,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 14:20:35,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 14:20:35,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 14:20:35,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 14:20:35,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:35" (1/1) ... [2021-11-23 14:20:35,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:35" (1/1) ... [2021-11-23 14:20:35,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:35" (1/1) ... [2021-11-23 14:20:35,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:35" (1/1) ... [2021-11-23 14:20:35,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:35" (1/1) ... [2021-11-23 14:20:35,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:35" (1/1) ... [2021-11-23 14:20:35,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:35" (1/1) ... [2021-11-23 14:20:35,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 14:20:35,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 14:20:35,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 14:20:35,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 14:20:35,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:35" (1/1) ... [2021-11-23 14:20:35,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:20:35,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449aedb7-fe72-4f07-8fbf-6dbee5434b96/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:20:35,227 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449aedb7-fe72-4f07-8fbf-6dbee5434b96/bin/ugemcutter-aZbSL5k0Dw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 14:20:35,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449aedb7-fe72-4f07-8fbf-6dbee5434b96/bin/ugemcutter-aZbSL5k0Dw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 14:20:35,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 14:20:35,285 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 14:20:35,285 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 14:20:35,286 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 14:20:35,286 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 14:20:35,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 14:20:35,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 14:20:35,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 14:20:35,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 14:20:35,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 14:20:35,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 14:20:35,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 14:20:35,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 14:20:35,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 14:20:35,290 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 14:20:35,409 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 14:20:35,410 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 14:20:35,793 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 14:20:36,060 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 14:20:36,061 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 14:20:36,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:20:36 BoogieIcfgContainer [2021-11-23 14:20:36,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 14:20:36,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 14:20:36,071 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 14:20:36,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 14:20:36,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:20:34" (1/3) ... [2021-11-23 14:20:36,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28750f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:20:36, skipping insertion in model container [2021-11-23 14:20:36,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:35" (2/3) ... [2021-11-23 14:20:36,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28750f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:20:36, skipping insertion in model container [2021-11-23 14:20:36,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:20:36" (3/3) ... [2021-11-23 14:20:36,083 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-time-symm.wvr.c [2021-11-23 14:20:36,089 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 14:20:36,089 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 14:20:36,090 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 14:20:36,090 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 14:20:36,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,158 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,158 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,158 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,158 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,159 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,159 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,159 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,160 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,160 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,160 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,161 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,161 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,162 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,162 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,162 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,163 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,163 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,163 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,164 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,164 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,164 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,166 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,166 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,167 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,167 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,167 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,167 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,168 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,168 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,168 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,168 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,169 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,169 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,169 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,170 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,170 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,170 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,171 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,171 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,171 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,171 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,172 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,172 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,172 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,172 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,173 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,173 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,173 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,174 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,177 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,177 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,179 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,179 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,179 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,179 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,180 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,180 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,180 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,181 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,182 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,182 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,182 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,182 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,183 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,183 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,183 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,183 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,184 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,184 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,184 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:36,187 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-23 14:20:36,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-23 14:20:36,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449aedb7-fe72-4f07-8fbf-6dbee5434b96/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:20:36,243 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449aedb7-fe72-4f07-8fbf-6dbee5434b96/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-23 14:20:36,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449aedb7-fe72-4f07-8fbf-6dbee5434b96/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-23 14:20:36,301 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-23 14:20:36,309 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 14:20:36,309 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-23 14:20:36,445 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-23 14:20:36,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:36,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1914100153, now seen corresponding path program 1 times [2021-11-23 14:20:36,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:36,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137467243] [2021-11-23 14:20:36,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:36,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:36,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:20:36,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:36,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137467243] [2021-11-23 14:20:36,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137467243] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:20:36,820 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:20:36,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 14:20:36,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734305734] [2021-11-23 14:20:36,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:20:36,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 14:20:36,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:36,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 14:20:36,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 14:20:36,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:36,867 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:36,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 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) [2021-11-23 14:20:36,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:36,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:36,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 14:20:36,940 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-23 14:20:36,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:36,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1239898979, now seen corresponding path program 1 times [2021-11-23 14:20:36,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:36,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076188640] [2021-11-23 14:20:36,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:36,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:37,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:20:37,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:37,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076188640] [2021-11-23 14:20:37,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076188640] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:20:37,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:20:37,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 14:20:37,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499153317] [2021-11-23 14:20:37,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:20:37,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 14:20:37,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:37,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 14:20:37,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:20:37,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:37,233 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:37,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) [2021-11-23 14:20:37,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:37,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:37,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:20:37,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 14:20:37,437 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-23 14:20:37,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:37,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1667375245, now seen corresponding path program 1 times [2021-11-23 14:20:37,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:37,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265035049] [2021-11-23 14:20:37,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:37,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:37,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:20:37,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:37,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265035049] [2021-11-23 14:20:37,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265035049] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:20:37,741 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:20:37,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 14:20:37,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908392001] [2021-11-23 14:20:37,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:20:37,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 14:20:37,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:37,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 14:20:37,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-23 14:20:37,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:37,745 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:37,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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) [2021-11-23 14:20:37,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:37,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:20:37,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:37,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:37,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:20:37,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:20:37,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 14:20:37,931 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-23 14:20:37,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:37,932 INFO L85 PathProgramCache]: Analyzing trace with hash 873596539, now seen corresponding path program 1 times [2021-11-23 14:20:37,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:37,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219461087] [2021-11-23 14:20:37,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:37,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:38,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:20:38,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:38,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219461087] [2021-11-23 14:20:38,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219461087] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:20:38,103 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:20:38,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 14:20:38,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556188518] [2021-11-23 14:20:38,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:20:38,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 14:20:38,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:38,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 14:20:38,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-23 14:20:38,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:38,105 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:38,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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) [2021-11-23 14:20:38,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:38,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:20:38,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:20:38,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:38,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:38,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:20:38,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:20:38,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:20:38,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 14:20:38,213 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-23 14:20:38,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:38,214 INFO L85 PathProgramCache]: Analyzing trace with hash -2117713455, now seen corresponding path program 1 times [2021-11-23 14:20:38,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:38,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350458201] [2021-11-23 14:20:38,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:38,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:38,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:20:38,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:38,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350458201] [2021-11-23 14:20:38,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350458201] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:20:38,393 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:20:38,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 14:20:38,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384970406] [2021-11-23 14:20:38,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:20:38,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 14:20:38,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:38,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 14:20:38,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:20:38,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:38,403 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:38,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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) [2021-11-23 14:20:38,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:38,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:20:38,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:20:38,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:20:38,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:38,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:38,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:20:38,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:20:38,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:38,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:20:38,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 14:20:38,529 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-23 14:20:38,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:38,529 INFO L85 PathProgramCache]: Analyzing trace with hash -602848077, now seen corresponding path program 1 times [2021-11-23 14:20:38,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:38,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444912235] [2021-11-23 14:20:38,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:38,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:38,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:20:38,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:38,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444912235] [2021-11-23 14:20:38,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444912235] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:20:38,671 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:20:38,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 14:20:38,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722610187] [2021-11-23 14:20:38,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:20:38,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 14:20:38,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:38,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 14:20:38,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:20:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:38,674 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:38,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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) [2021-11-23 14:20:38,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:38,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:20:38,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:20:38,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:38,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:20:38,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:38,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:38,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:20:38,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:20:38,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:38,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:20:38,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 14:20:38,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 14:20:38,787 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-23 14:20:38,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:38,788 INFO L85 PathProgramCache]: Analyzing trace with hash 653185545, now seen corresponding path program 1 times [2021-11-23 14:20:38,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:38,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010530597] [2021-11-23 14:20:38,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:38,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:38,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:20:38,948 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:38,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010530597] [2021-11-23 14:20:38,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010530597] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:20:38,953 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:20:38,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 14:20:38,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611134957] [2021-11-23 14:20:38,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:20:38,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 14:20:38,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:38,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 14:20:38,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:20:38,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:38,956 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:38,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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) [2021-11-23 14:20:38,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:38,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:20:38,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:20:38,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:38,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:20:38,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-23 14:20:38,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:39,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:39,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:20:39,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:20:39,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:39,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:20:39,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 14:20:39,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 14:20:39,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 14:20:39,080 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-23 14:20:39,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:39,081 INFO L85 PathProgramCache]: Analyzing trace with hash -732582101, now seen corresponding path program 1 times [2021-11-23 14:20:39,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:39,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391610712] [2021-11-23 14:20:39,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:39,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:39,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:20:39,193 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:39,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391610712] [2021-11-23 14:20:39,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391610712] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:20:39,193 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:20:39,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 14:20:39,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85956055] [2021-11-23 14:20:39,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:20:39,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 14:20:39,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:39,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 14:20:39,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-23 14:20:39,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:39,195 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:39,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 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) [2021-11-23 14:20:39,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:39,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:20:39,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:20:39,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:39,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:20:39,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-23 14:20:39,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-23 14:20:39,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:39,317 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~ret5#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:39,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:39,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:20:39,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:20:39,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:39,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:20:39,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 14:20:39,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 14:20:39,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:20:39,381 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-23 14:20:39,382 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2021-11-23 14:20:39,382 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2021-11-23 14:20:39,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 14:20:39,402 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:20:39,404 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-23 14:20:39,404 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 14:20:39,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:20:39 BasicIcfg [2021-11-23 14:20:39,408 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 14:20:39,409 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 14:20:39,409 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 14:20:39,409 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 14:20:39,410 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:20:36" (3/4) ... [2021-11-23 14:20:39,413 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 14:20:39,419 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-11-23 14:20:39,419 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-11-23 14:20:39,427 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-11-23 14:20:39,427 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-23 14:20:39,428 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 14:20:39,428 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 14:20:39,482 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449aedb7-fe72-4f07-8fbf-6dbee5434b96/bin/ugemcutter-aZbSL5k0Dw/witness.graphml [2021-11-23 14:20:39,482 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 14:20:39,484 INFO L158 Benchmark]: Toolchain (without parser) took 4686.26ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 94.7MB in the beginning and 100.9MB in the end (delta: -6.1MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2021-11-23 14:20:39,484 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:20:39,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.41ms. Allocated memory is still 125.8MB. Free memory was 94.4MB in the beginning and 98.7MB in the end (delta: -4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 14:20:39,485 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.43ms. Allocated memory is still 125.8MB. Free memory was 98.7MB in the beginning and 96.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 14:20:39,485 INFO L158 Benchmark]: Boogie Preprocessor took 27.99ms. Allocated memory is still 125.8MB. Free memory was 96.4MB in the beginning and 95.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:20:39,486 INFO L158 Benchmark]: RCFGBuilder took 898.04ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 95.0MB in the beginning and 133.0MB in the end (delta: -38.0MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2021-11-23 14:20:39,486 INFO L158 Benchmark]: TraceAbstraction took 3338.55ms. Allocated memory is still 159.4MB. Free memory was 132.5MB in the beginning and 104.0MB in the end (delta: 28.5MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2021-11-23 14:20:39,486 INFO L158 Benchmark]: Witness Printer took 73.75ms. Allocated memory is still 159.4MB. Free memory was 104.0MB in the beginning and 100.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 14:20:39,489 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.41ms. Allocated memory is still 125.8MB. Free memory was 94.4MB in the beginning and 98.7MB in the end (delta: -4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.43ms. Allocated memory is still 125.8MB. Free memory was 98.7MB in the beginning and 96.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.99ms. Allocated memory is still 125.8MB. Free memory was 96.4MB in the beginning and 95.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 898.04ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 95.0MB in the beginning and 133.0MB in the end (delta: -38.0MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3338.55ms. Allocated memory is still 159.4MB. Free memory was 132.5MB in the beginning and 104.0MB in the end (delta: 28.5MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * Witness Printer took 73.75ms. Allocated memory is still 159.4MB. Free memory was 104.0MB in the beginning and 100.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 263, positive: 218, positive conditional: 99, positive unconditional: 119, negative: 45, negative conditional: 43, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 220, positive: 218, positive conditional: 99, positive unconditional: 119, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 220, positive: 218, positive conditional: 99, positive unconditional: 119, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 220, positive: 218, positive conditional: 65, positive unconditional: 153, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 220, positive: 218, positive conditional: 13, positive unconditional: 205, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 220, positive: 218, positive conditional: 13, positive unconditional: 205, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 124, positive: 122, positive conditional: 0, positive unconditional: 122, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 124, positive: 122, positive conditional: 0, positive unconditional: 122, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 220, positive: 96, positive conditional: 13, positive unconditional: 83, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 124, unknown conditional: 0, unknown unconditional: 124] , Statistics on independence cache: Total cache size (in pairs): 124, Positive cache size: 122, Positive conditional cache size: 0, Positive unconditional cache size: 122, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 52, Maximal queried relation: 0, Independence queries for same thread: 43 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 104, Number of trivial persistent sets: 98, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 121, positive: 119, positive conditional: 0, positive unconditional: 119, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 263, positive: 218, positive conditional: 99, positive unconditional: 119, negative: 45, negative conditional: 43, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 220, positive: 218, positive conditional: 99, positive unconditional: 119, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 220, positive: 218, positive conditional: 99, positive unconditional: 119, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 220, positive: 218, positive conditional: 65, positive unconditional: 153, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 220, positive: 218, positive conditional: 13, positive unconditional: 205, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 220, positive: 218, positive conditional: 13, positive unconditional: 205, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 124, positive: 122, positive conditional: 0, positive unconditional: 122, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 124, positive: 122, positive conditional: 0, positive unconditional: 122, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 220, positive: 96, positive conditional: 13, positive unconditional: 83, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 124, unknown conditional: 0, unknown unconditional: 124] , Statistics on independence cache: Total cache size (in pairs): 124, Positive cache size: 122, Positive conditional cache size: 0, Positive unconditional cache size: 122, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 52, Maximal queried relation: 0, Independence queries for same thread: 43 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 108 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 635 NumberOfCodeBlocks, 635 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 627 ConstructedInterpolants, 0 QuantifiedInterpolants, 1668 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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! [2021-11-23 14:20:39,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449aedb7-fe72-4f07-8fbf-6dbee5434b96/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-23 14:20:39,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449aedb7-fe72-4f07-8fbf-6dbee5434b96/bin/ugemcutter-aZbSL5k0Dw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE