./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-time-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16964c92-2c67-43ce-9bde-33df2fa4a670/bin/ugemcutter-AnMVkTqH3k/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16964c92-2c67-43ce-9bde-33df2fa4a670/bin/ugemcutter-AnMVkTqH3k/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16964c92-2c67-43ce-9bde-33df2fa4a670/bin/ugemcutter-AnMVkTqH3k/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16964c92-2c67-43ce-9bde-33df2fa4a670/bin/ugemcutter-AnMVkTqH3k/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/chl-time-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16964c92-2c67-43ce-9bde-33df2fa4a670/bin/ugemcutter-AnMVkTqH3k/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16964c92-2c67-43ce-9bde-33df2fa4a670/bin/ugemcutter-AnMVkTqH3k --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 fbdf820325bad974beb5f3994ba78abc0ad853157d83dd91eac05e8acb05e8a2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 01:47:33,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 01:47:33,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 01:47:33,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 01:47:33,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 01:47:33,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 01:47:33,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 01:47:33,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 01:47:33,329 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 01:47:33,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 01:47:33,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 01:47:33,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 01:47:33,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 01:47:33,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 01:47:33,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 01:47:33,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 01:47:33,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 01:47:33,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 01:47:33,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 01:47:33,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 01:47:33,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 01:47:33,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 01:47:33,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 01:47:33,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 01:47:33,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 01:47:33,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 01:47:33,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 01:47:33,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 01:47:33,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 01:47:33,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 01:47:33,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 01:47:33,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 01:47:33,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 01:47:33,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 01:47:33,371 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 01:47:33,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 01:47:33,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 01:47:33,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 01:47:33,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 01:47:33,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 01:47:33,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 01:47:33,376 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16964c92-2c67-43ce-9bde-33df2fa4a670/bin/ugemcutter-AnMVkTqH3k/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-11-18 01:47:33,401 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 01:47:33,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 01:47:33,401 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 01:47:33,402 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 01:47:33,402 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 01:47:33,403 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 01:47:33,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 01:47:33,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 01:47:33,404 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 01:47:33,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 01:47:33,404 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 01:47:33,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 01:47:33,405 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 01:47:33,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 01:47:33,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 01:47:33,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 01:47:33,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 01:47:33,405 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 01:47:33,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 01:47:33,406 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 01:47:33,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 01:47:33,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 01:47:33,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 01:47:33,407 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-18 01:47:33,407 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 01:47:33,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:47:33,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 01:47:33,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 01:47:33,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 01:47:33,408 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 01:47:33,408 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-18 01:47:33,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 01:47:33,409 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 01:47:33,409 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-18 01:47:33,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 01:47:33,409 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-18 01:47:33,409 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-18 01:47:33,409 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_16964c92-2c67-43ce-9bde-33df2fa4a670/bin/ugemcutter-AnMVkTqH3k/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16964c92-2c67-43ce-9bde-33df2fa4a670/bin/ugemcutter-AnMVkTqH3k Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbdf820325bad974beb5f3994ba78abc0ad853157d83dd91eac05e8acb05e8a2 [2022-11-18 01:47:33,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 01:47:33,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 01:47:33,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 01:47:33,755 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 01:47:33,756 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 01:47:33,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16964c92-2c67-43ce-9bde-33df2fa4a670/bin/ugemcutter-AnMVkTqH3k/../../sv-benchmarks/c/weaver/chl-time-subst.wvr.c [2022-11-18 01:47:33,833 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16964c92-2c67-43ce-9bde-33df2fa4a670/bin/ugemcutter-AnMVkTqH3k/data/88edc73af/b749de3e842a499194cecb54f1d249f5/FLAGdf78c71b9 [2022-11-18 01:47:34,262 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 01:47:34,263 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16964c92-2c67-43ce-9bde-33df2fa4a670/sv-benchmarks/c/weaver/chl-time-subst.wvr.c [2022-11-18 01:47:34,270 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16964c92-2c67-43ce-9bde-33df2fa4a670/bin/ugemcutter-AnMVkTqH3k/data/88edc73af/b749de3e842a499194cecb54f1d249f5/FLAGdf78c71b9 [2022-11-18 01:47:34,681 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16964c92-2c67-43ce-9bde-33df2fa4a670/bin/ugemcutter-AnMVkTqH3k/data/88edc73af/b749de3e842a499194cecb54f1d249f5 [2022-11-18 01:47:34,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 01:47:34,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 01:47:34,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 01:47:34,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 01:47:34,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 01:47:34,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:47:34" (1/1) ... [2022-11-18 01:47:34,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20c743c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:34, skipping insertion in model container [2022-11-18 01:47:34,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:47:34" (1/1) ... [2022-11-18 01:47:34,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 01:47:34,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 01:47:35,016 WARN L234 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_16964c92-2c67-43ce-9bde-33df2fa4a670/sv-benchmarks/c/weaver/chl-time-subst.wvr.c[2879,2892] [2022-11-18 01:47:35,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:47:35,033 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 01:47:35,058 WARN L234 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_16964c92-2c67-43ce-9bde-33df2fa4a670/sv-benchmarks/c/weaver/chl-time-subst.wvr.c[2879,2892] [2022-11-18 01:47:35,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:47:35,075 INFO L208 MainTranslator]: Completed translation [2022-11-18 01:47:35,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:35 WrapperNode [2022-11-18 01:47:35,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 01:47:35,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 01:47:35,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 01:47:35,077 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 01:47:35,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:35" (1/1) ... [2022-11-18 01:47:35,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:35" (1/1) ... [2022-11-18 01:47:35,121 INFO L138 Inliner]: procedures = 23, calls = 39, calls flagged for inlining = 11, calls inlined = 21, statements flattened = 214 [2022-11-18 01:47:35,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 01:47:35,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 01:47:35,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 01:47:35,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 01:47:35,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:35" (1/1) ... [2022-11-18 01:47:35,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:35" (1/1) ... [2022-11-18 01:47:35,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:35" (1/1) ... [2022-11-18 01:47:35,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:35" (1/1) ... [2022-11-18 01:47:35,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:35" (1/1) ... [2022-11-18 01:47:35,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:35" (1/1) ... [2022-11-18 01:47:35,146 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:35" (1/1) ... [2022-11-18 01:47:35,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:35" (1/1) ... [2022-11-18 01:47:35,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 01:47:35,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 01:47:35,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 01:47:35,152 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 01:47:35,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:35" (1/1) ... [2022-11-18 01:47:35,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:47:35,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16964c92-2c67-43ce-9bde-33df2fa4a670/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:47:35,203 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16964c92-2c67-43ce-9bde-33df2fa4a670/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 01:47:35,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16964c92-2c67-43ce-9bde-33df2fa4a670/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 01:47:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 01:47:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-18 01:47:35,243 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-18 01:47:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-18 01:47:35,244 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-18 01:47:35,244 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-18 01:47:35,244 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-18 01:47:35,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 01:47:35,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 01:47:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 01:47:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 01:47:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 01:47:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 01:47:35,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 01:47:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 01:47:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 01:47:35,247 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 01:47:35,358 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 01:47:35,361 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 01:47:35,870 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 01:47:36,279 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 01:47:36,279 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 01:47:36,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:47:36 BoogieIcfgContainer [2022-11-18 01:47:36,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 01:47:36,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 01:47:36,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 01:47:36,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 01:47:36,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:47:34" (1/3) ... [2022-11-18 01:47:36,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dd56091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:47:36, skipping insertion in model container [2022-11-18 01:47:36,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:35" (2/3) ... [2022-11-18 01:47:36,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dd56091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:47:36, skipping insertion in model container [2022-11-18 01:47:36,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:47:36" (3/3) ... [2022-11-18 01:47:36,294 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-subst.wvr.c [2022-11-18 01:47:36,303 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 01:47:36,314 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 01:47:36,314 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 01:47:36,315 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 01:47:36,403 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-18 01:47:36,468 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 01:47:36,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-18 01:47:36,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16964c92-2c67-43ce-9bde-33df2fa4a670/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:47:36,475 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16964c92-2c67-43ce-9bde-33df2fa4a670/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-18 01:47:36,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16964c92-2c67-43ce-9bde-33df2fa4a670/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-18 01:47:36,526 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-18 01:47:36,540 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-18 01:47:36,546 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@c25b49c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 01:47:36,547 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-18 01:47:36,747 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-18 01:47:36,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:47:36,752 INFO L85 PathProgramCache]: Analyzing trace with hash 486361209, now seen corresponding path program 1 times [2022-11-18 01:47:36,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:47:36,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079051151] [2022-11-18 01:47:36,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:47:36,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:47:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:47:37,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:47:37,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:47:37,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079051151] [2022-11-18 01:47:37,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079051151] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:47:37,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:47:37,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 01:47:37,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777338619] [2022-11-18 01:47:37,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:47:37,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 01:47:37,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:47:37,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 01:47:37,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 01:47:37,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:37,201 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:47:37,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.5) internal successors, (95), 2 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:47:37,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:37,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:37,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 01:47:37,279 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-18 01:47:37,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:47:37,280 INFO L85 PathProgramCache]: Analyzing trace with hash 15690052, now seen corresponding path program 1 times [2022-11-18 01:47:37,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:47:37,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927206980] [2022-11-18 01:47:37,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:47:37,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:47:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:47:40,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:47:40,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:47:40,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927206980] [2022-11-18 01:47:40,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927206980] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:47:40,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:47:40,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 01:47:40,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104954172] [2022-11-18 01:47:40,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:47:40,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 01:47:40,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:47:40,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 01:47:40,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 01:47:40,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:40,536 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:47:40,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:47:40,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:40,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:41,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:41,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:47:41,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-11-18 01:47:41,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-11-18 01:47:41,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-11-18 01:47:41,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-11-18 01:47:41,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 01:47:41,422 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-18 01:47:41,424 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 01:47:41,425 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 01:47:41,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:47:41 BasicIcfg [2022-11-18 01:47:41,430 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 01:47:41,431 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 01:47:41,432 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 01:47:41,435 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 01:47:41,435 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:47:36" (3/4) ... [2022-11-18 01:47:41,438 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 01:47:41,444 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-18 01:47:41,444 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-18 01:47:41,444 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-18 01:47:41,453 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-18 01:47:41,454 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 01:47:41,454 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 01:47:41,460 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 01:47:41,493 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16964c92-2c67-43ce-9bde-33df2fa4a670/bin/ugemcutter-AnMVkTqH3k/witness.graphml [2022-11-18 01:47:41,494 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 01:47:41,494 INFO L158 Benchmark]: Toolchain (without parser) took 6808.88ms. Allocated memory was 125.8MB in the beginning and 232.8MB in the end (delta: 107.0MB). Free memory was 89.4MB in the beginning and 153.1MB in the end (delta: -63.7MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2022-11-18 01:47:41,495 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory was 96.4MB in the beginning and 96.4MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 01:47:41,495 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.68ms. Allocated memory is still 125.8MB. Free memory was 89.0MB in the beginning and 97.0MB in the end (delta: -8.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 01:47:41,496 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.02ms. Allocated memory is still 125.8MB. Free memory was 97.0MB in the beginning and 94.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 01:47:41,496 INFO L158 Benchmark]: Boogie Preprocessor took 29.13ms. Allocated memory is still 125.8MB. Free memory was 94.9MB in the beginning and 93.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 01:47:41,496 INFO L158 Benchmark]: RCFGBuilder took 1130.65ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 93.2MB in the beginning and 116.8MB in the end (delta: -23.6MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2022-11-18 01:47:41,497 INFO L158 Benchmark]: TraceAbstraction took 5145.61ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 116.8MB in the beginning and 156.2MB in the end (delta: -39.4MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2022-11-18 01:47:41,497 INFO L158 Benchmark]: Witness Printer took 62.57ms. Allocated memory is still 232.8MB. Free memory was 156.2MB in the beginning and 153.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 01:47:41,499 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory was 96.4MB in the beginning and 96.4MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.68ms. Allocated memory is still 125.8MB. Free memory was 89.0MB in the beginning and 97.0MB in the end (delta: -8.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.02ms. Allocated memory is still 125.8MB. Free memory was 97.0MB in the beginning and 94.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.13ms. Allocated memory is still 125.8MB. Free memory was 94.9MB in the beginning and 93.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1130.65ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 93.2MB in the beginning and 116.8MB in the end (delta: -23.6MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5145.61ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 116.8MB in the beginning and 156.2MB in the end (delta: -39.4MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. * Witness Printer took 62.57ms. Allocated memory is still 232.8MB. Free memory was 156.2MB in the beginning and 153.1MB 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 #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 704, independent: 697, independent conditional: 255, independent unconditional: 442, dependent: 7, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 701, independent: 697, independent conditional: 255, independent unconditional: 442, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 701, independent: 697, independent conditional: 255, independent unconditional: 442, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 701, independent: 697, independent conditional: 0, independent unconditional: 697, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 701, independent: 697, independent conditional: 0, independent unconditional: 697, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 701, independent: 697, independent conditional: 0, independent unconditional: 697, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 446, independent: 442, independent conditional: 0, independent unconditional: 442, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 446, independent: 440, independent conditional: 0, independent unconditional: 440, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 701, independent: 255, independent conditional: 0, independent unconditional: 255, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 446, unknown conditional: 0, unknown unconditional: 446] , Statistics on independence cache: Total cache size (in pairs): 446, Positive cache size: 442, Positive conditional cache size: 0, Positive unconditional cache size: 442, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 3 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 212, Number of trivial persistent sets: 194, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 446, independent: 442, independent conditional: 0, independent unconditional: 442, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 704, independent: 697, independent conditional: 255, independent unconditional: 442, dependent: 7, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 701, independent: 697, independent conditional: 255, independent unconditional: 442, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 701, independent: 697, independent conditional: 255, independent unconditional: 442, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 701, independent: 697, independent conditional: 0, independent unconditional: 697, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 701, independent: 697, independent conditional: 0, independent unconditional: 697, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 701, independent: 697, independent conditional: 0, independent unconditional: 697, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 446, independent: 442, independent conditional: 0, independent unconditional: 442, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 446, independent: 440, independent conditional: 0, independent unconditional: 440, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 701, independent: 255, independent conditional: 0, independent unconditional: 255, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 446, unknown conditional: 0, unknown unconditional: 446] , Statistics on independence cache: Total cache size (in pairs): 446, Positive cache size: 442, Positive conditional cache size: 0, Positive unconditional cache size: 442, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 3 - PositiveResult [Line: 93]: 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 7 procedures, 125 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 0.3s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 187 ConstructedInterpolants, 0 QuantifiedInterpolants, 2008 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-18 01:47:41,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16964c92-2c67-43ce-9bde-33df2fa4a670/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-11-18 01:47:41,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16964c92-2c67-43ce-9bde-33df2fa4a670/bin/ugemcutter-AnMVkTqH3k/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 Result: TRUE