./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17415b94-bd77-4de5-bc70-2aecf53ceac2/bin/ugemcutter-YQQFZV6HUA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17415b94-bd77-4de5-bc70-2aecf53ceac2/bin/ugemcutter-YQQFZV6HUA/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17415b94-bd77-4de5-bc70-2aecf53ceac2/bin/ugemcutter-YQQFZV6HUA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17415b94-bd77-4de5-bc70-2aecf53ceac2/bin/ugemcutter-YQQFZV6HUA/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17415b94-bd77-4de5-bc70-2aecf53ceac2/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17415b94-bd77-4de5-bc70-2aecf53ceac2/bin/ugemcutter-YQQFZV6HUA --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 64b25926fb6c7e27855d812b862643321480d6d0eb308c80224ee02bfde27516 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 09:55:01,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 09:55:01,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 09:55:01,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 09:55:01,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 09:55:01,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 09:55:01,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 09:55:01,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 09:55:01,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 09:55:01,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 09:55:01,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 09:55:01,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 09:55:01,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 09:55:01,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 09:55:01,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 09:55:01,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 09:55:01,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 09:55:01,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 09:55:01,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 09:55:01,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 09:55:01,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 09:55:01,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 09:55:01,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 09:55:01,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 09:55:01,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 09:55:01,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 09:55:01,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 09:55:01,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 09:55:01,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 09:55:01,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 09:55:01,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 09:55:01,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 09:55:01,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 09:55:01,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 09:55:01,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 09:55:01,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 09:55:01,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 09:55:01,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 09:55:01,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 09:55:01,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 09:55:01,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 09:55:01,386 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17415b94-bd77-4de5-bc70-2aecf53ceac2/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-12-07 09:55:01,410 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 09:55:01,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 09:55:01,411 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 09:55:01,411 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 09:55:01,412 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 09:55:01,412 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 09:55:01,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 09:55:01,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 09:55:01,414 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 09:55:01,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 09:55:01,415 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 09:55:01,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 09:55:01,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 09:55:01,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 09:55:01,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 09:55:01,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 09:55:01,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 09:55:01,417 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 09:55:01,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 09:55:01,418 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 09:55:01,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 09:55:01,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 09:55:01,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 09:55:01,419 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-12-07 09:55:01,419 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 09:55:01,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 09:55:01,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 09:55:01,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 09:55:01,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 09:55:01,421 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 09:55:01,421 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-12-07 09:55:01,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 09:55:01,422 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 09:55:01,422 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-12-07 09:55:01,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 09:55:01,423 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-12-07 09:55:01,423 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-12-07 09:55:01,423 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_17415b94-bd77-4de5-bc70-2aecf53ceac2/bin/ugemcutter-YQQFZV6HUA/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17415b94-bd77-4de5-bc70-2aecf53ceac2/bin/ugemcutter-YQQFZV6HUA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64b25926fb6c7e27855d812b862643321480d6d0eb308c80224ee02bfde27516 [2021-12-07 09:55:01,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 09:55:01,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 09:55:01,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 09:55:01,663 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 09:55:01,663 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 09:55:01,664 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17415b94-bd77-4de5-bc70-2aecf53ceac2/bin/ugemcutter-YQQFZV6HUA/../../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2021-12-07 09:55:01,741 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17415b94-bd77-4de5-bc70-2aecf53ceac2/bin/ugemcutter-YQQFZV6HUA/data/0271644c6/3563d3d136b8486882773b01a3c4be30/FLAG8ace2c351 [2021-12-07 09:55:02,343 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 09:55:02,344 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17415b94-bd77-4de5-bc70-2aecf53ceac2/sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2021-12-07 09:55:02,372 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17415b94-bd77-4de5-bc70-2aecf53ceac2/bin/ugemcutter-YQQFZV6HUA/data/0271644c6/3563d3d136b8486882773b01a3c4be30/FLAG8ace2c351 [2021-12-07 09:55:02,627 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17415b94-bd77-4de5-bc70-2aecf53ceac2/bin/ugemcutter-YQQFZV6HUA/data/0271644c6/3563d3d136b8486882773b01a3c4be30 [2021-12-07 09:55:02,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 09:55:02,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 09:55:02,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 09:55:02,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 09:55:02,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 09:55:02,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:55:02" (1/1) ... [2021-12-07 09:55:02,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34b620d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:55:02, skipping insertion in model container [2021-12-07 09:55:02,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:55:02" (1/1) ... [2021-12-07 09:55:02,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 09:55:02,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 09:55:02,889 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_17415b94-bd77-4de5-bc70-2aecf53ceac2/sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i[1097,1110] [2021-12-07 09:55:03,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 09:55:03,024 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 09:55:03,036 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_17415b94-bd77-4de5-bc70-2aecf53ceac2/sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i[1097,1110] [2021-12-07 09:55:03,061 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 09:55:03,116 INFO L208 MainTranslator]: Completed translation [2021-12-07 09:55:03,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:55:03 WrapperNode [2021-12-07 09:55:03,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 09:55:03,118 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 09:55:03,118 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 09:55:03,118 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 09:55:03,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:55:03" (1/1) ... [2021-12-07 09:55:03,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:55:03" (1/1) ... [2021-12-07 09:55:03,183 INFO L137 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2021-12-07 09:55:03,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 09:55:03,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 09:55:03,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 09:55:03,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 09:55:03,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:55:03" (1/1) ... [2021-12-07 09:55:03,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:55:03" (1/1) ... [2021-12-07 09:55:03,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:55:03" (1/1) ... [2021-12-07 09:55:03,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:55:03" (1/1) ... [2021-12-07 09:55:03,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:55:03" (1/1) ... [2021-12-07 09:55:03,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:55:03" (1/1) ... [2021-12-07 09:55:03,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:55:03" (1/1) ... [2021-12-07 09:55:03,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 09:55:03,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 09:55:03,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 09:55:03,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 09:55:03,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:55:03" (1/1) ... [2021-12-07 09:55:03,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 09:55:03,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17415b94-bd77-4de5-bc70-2aecf53ceac2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:55:03,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17415b94-bd77-4de5-bc70-2aecf53ceac2/bin/ugemcutter-YQQFZV6HUA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 09:55:03,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17415b94-bd77-4de5-bc70-2aecf53ceac2/bin/ugemcutter-YQQFZV6HUA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 09:55:03,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 09:55:03,325 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-07 09:55:03,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 09:55:03,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 09:55:03,327 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-07 09:55:03,327 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-07 09:55:03,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 09:55:03,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 09:55:03,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 09:55:03,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 09:55:03,329 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-07 09:55:03,495 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 09:55:03,496 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 09:55:03,666 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 09:55:03,674 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 09:55:03,674 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-07 09:55:03,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:55:03 BoogieIcfgContainer [2021-12-07 09:55:03,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 09:55:03,678 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 09:55:03,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 09:55:03,689 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 09:55:03,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:55:02" (1/3) ... [2021-12-07 09:55:03,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc5a3ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:55:03, skipping insertion in model container [2021-12-07 09:55:03,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:55:03" (2/3) ... [2021-12-07 09:55:03,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc5a3ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:55:03, skipping insertion in model container [2021-12-07 09:55:03,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:55:03" (3/3) ... [2021-12-07 09:55:03,694 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_pos.i [2021-12-07 09:55:03,699 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-07 09:55:03,699 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 09:55:03,700 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 09:55:03,700 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-07 09:55:03,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:55:03,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:55:03,743 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:55:03,743 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:55:03,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:55:03,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:55:03,744 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:55:03,744 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:55:03,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:55:03,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:55:03,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:55:03,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:55:03,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:55:03,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:55:03,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:55:03,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:55:03,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:55:03,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:55:03,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:55:03,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:55:03,760 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:55:03,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:55:03,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:55:03,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:55:03,762 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:55:03,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:55:03,767 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-07 09:55:03,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-12-07 09:55:03,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17415b94-bd77-4de5-bc70-2aecf53ceac2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:55:03,847 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17415b94-bd77-4de5-bc70-2aecf53ceac2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-12-07 09:55:03,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17415b94-bd77-4de5-bc70-2aecf53ceac2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-12-07 09:55:03,901 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-12-07 09:55:03,910 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 [2021-12-07 09:55:03,910 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-07 09:55:04,105 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 09:55:04,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:55:04,111 INFO L85 PathProgramCache]: Analyzing trace with hash -354708348, now seen corresponding path program 1 times [2021-12-07 09:55:04,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:55:04,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031241377] [2021-12-07 09:55:04,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:55:04,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:55:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 09:55:04,298 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 09:55:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 09:55:04,415 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 09:55:04,417 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-07 09:55:04,418 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-12-07 09:55:04,420 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2021-12-07 09:55:04,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 09:55:04,429 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-12-07 09:55:04,433 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-07 09:55:04,434 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 09:55:04,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:55:04 BasicIcfg [2021-12-07 09:55:04,474 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 09:55:04,474 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 09:55:04,474 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 09:55:04,475 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 09:55:04,475 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:55:03" (3/4) ... [2021-12-07 09:55:04,477 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-07 09:55:04,535 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17415b94-bd77-4de5-bc70-2aecf53ceac2/bin/ugemcutter-YQQFZV6HUA/witness.graphml [2021-12-07 09:55:04,535 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 09:55:04,536 INFO L158 Benchmark]: Toolchain (without parser) took 1902.63ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 72.9MB in the beginning and 77.4MB in the end (delta: -4.6MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2021-12-07 09:55:04,536 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 107.0MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 09:55:04,537 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.36ms. Allocated memory is still 107.0MB. Free memory was 72.7MB in the beginning and 72.2MB in the end (delta: 500.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-07 09:55:04,537 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.87ms. Allocated memory is still 107.0MB. Free memory was 72.2MB in the beginning and 70.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 09:55:04,538 INFO L158 Benchmark]: Boogie Preprocessor took 44.07ms. Allocated memory is still 107.0MB. Free memory was 70.1MB in the beginning and 68.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 09:55:04,538 INFO L158 Benchmark]: RCFGBuilder took 446.38ms. Allocated memory is still 107.0MB. Free memory was 68.9MB in the beginning and 57.8MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-07 09:55:04,539 INFO L158 Benchmark]: TraceAbstraction took 795.30ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 57.5MB in the beginning and 82.4MB in the end (delta: -24.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 09:55:04,540 INFO L158 Benchmark]: Witness Printer took 60.63ms. Allocated memory is still 130.0MB. Free memory was 82.4MB in the beginning and 77.4MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-07 09:55:04,545 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 107.0MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.36ms. Allocated memory is still 107.0MB. Free memory was 72.7MB in the beginning and 72.2MB in the end (delta: 500.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.87ms. Allocated memory is still 107.0MB. Free memory was 72.2MB in the beginning and 70.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.07ms. Allocated memory is still 107.0MB. Free memory was 70.1MB in the beginning and 68.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 446.38ms. Allocated memory is still 107.0MB. Free memory was 68.9MB in the beginning and 57.8MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 795.30ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 57.5MB in the beginning and 82.4MB in the end (delta: -24.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 60.63ms. Allocated memory is still 130.0MB. Free memory was 82.4MB in the beginning and 77.4MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 164, positive: 159, positive conditional: 10, positive unconditional: 149, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 164, positive: 159, positive conditional: 10, positive unconditional: 149, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 164, positive: 159, positive conditional: 10, positive unconditional: 149, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 164, positive: 159, positive conditional: 0, positive unconditional: 159, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 164, positive: 159, positive conditional: 0, positive unconditional: 159, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 164, positive: 159, positive conditional: 0, positive unconditional: 159, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 154, positive: 149, positive conditional: 0, positive unconditional: 149, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 154, positive: 145, positive conditional: 0, positive unconditional: 145, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 82, positive conditional: 0, positive unconditional: 82, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 164, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 154, unknown conditional: 0, unknown unconditional: 154] , Statistics on independence cache: Total cache size (in pairs): 154, Positive cache size: 149, Positive conditional cache size: 0, Positive unconditional cache size: 149, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 55, Number of trivial persistent sets: 55, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 154, positive: 149, positive conditional: 0, positive unconditional: 149, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 164, positive: 159, positive conditional: 10, positive unconditional: 149, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 164, positive: 159, positive conditional: 10, positive unconditional: 149, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 164, positive: 159, positive conditional: 10, positive unconditional: 149, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 164, positive: 159, positive conditional: 0, positive unconditional: 159, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 164, positive: 159, positive conditional: 0, positive unconditional: 159, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 164, positive: 159, positive conditional: 0, positive unconditional: 159, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 154, positive: 149, positive conditional: 0, positive unconditional: 149, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 154, positive: 145, positive conditional: 0, positive unconditional: 145, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 82, positive conditional: 0, positive unconditional: 82, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 164, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 154, unknown conditional: 0, unknown unconditional: 154] , Statistics on independence cache: Total cache size (in pairs): 154, Positive cache size: 149, Positive conditional cache size: 0, Positive unconditional cache size: 149, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - 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 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int g = 0; VAL [g=0] [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, g=0] [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, D={4:0}, g=0] [L693] 0 pthread_t id; VAL [A={3:0}, D={4:0}, g=0, id={5:0}] [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, D={4:0}, g=0, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L687] 1 g = 17 VAL [A={3:0}, arg={0:0}, arg={0:0}, D={4:0}, g=17] [L690] 1 return ((void *)0); VAL [\result={0:0}, A={3:0}, arg={0:0}, arg={0:0}, D={4:0}, g=17] [L698] CALL 0 __VERIFIER_assert(g == 0) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, \result={0:0}, A={3:0}, arg={0:0}, arg={0:0}, cond=0, D={4:0}, g=17] [L19] 0 reach_error() VAL [\old(cond)=0, \result={0:0}, A={3:0}, arg={0:0}, arg={0:0}, cond=0, D={4:0}, g=17] - UnprovableResult [Line: 694]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 78 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 RESULT: Ultimate proved your program to be incorrect! [2021-12-07 09:55:04,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17415b94-bd77-4de5-bc70-2aecf53ceac2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-12-07 09:55:04,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17415b94-bd77-4de5-bc70-2aecf53ceac2/bin/ugemcutter-YQQFZV6HUA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE