./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_48-pfscan_protected_loop_minimal_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018de88c-5887-40d1-b09d-b1a4de2da037/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018de88c-5887-40d1-b09d-b1a4de2da037/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018de88c-5887-40d1-b09d-b1a4de2da037/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018de88c-5887-40d1-b09d-b1a4de2da037/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_48-pfscan_protected_loop_minimal_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018de88c-5887-40d1-b09d-b1a4de2da037/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018de88c-5887-40d1-b09d-b1a4de2da037/bin/utaipan-SDwSMHVbGG --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 511b3daaf5c37b74f668350c5fceffcff6ce49bc8f6230fc3c743ddf5509148d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:42:39,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:42:39,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:42:39,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:42:39,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:42:39,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:42:39,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:42:39,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:42:39,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:42:39,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:42:39,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:42:39,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:42:39,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:42:39,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:42:39,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:42:39,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:42:39,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:42:39,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:42:39,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:42:39,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:42:39,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:42:39,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:42:39,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:42:39,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:42:39,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:42:39,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:42:39,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:42:39,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:42:39,786 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:42:39,788 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:42:39,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:42:39,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:42:39,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:42:39,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:42:39,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:42:39,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:42:39,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:42:39,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:42:39,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:42:39,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:42:39,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:42:39,803 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018de88c-5887-40d1-b09d-b1a4de2da037/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 04:42:39,858 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:42:39,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:42:39,862 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:42:39,863 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:42:39,863 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:42:39,863 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:42:39,863 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 04:42:39,864 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:42:39,871 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:42:39,871 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 04:42:39,873 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 04:42:39,873 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:42:39,873 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 04:42:39,874 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 04:42:39,874 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 04:42:39,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:42:39,875 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:42:39,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:42:39,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:42:39,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:42:39,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:42:39,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:42:39,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:42:39,877 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:42:39,877 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:42:39,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:42:39,878 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:42:39,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:42:39,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:42:39,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:42:39,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:42:39,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:42:39,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:42:39,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:42:39,882 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 04:42:39,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:42:39,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:42:39,883 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:42:39,883 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:42:39,883 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_018de88c-5887-40d1-b09d-b1a4de2da037/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018de88c-5887-40d1-b09d-b1a4de2da037/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 511b3daaf5c37b74f668350c5fceffcff6ce49bc8f6230fc3c743ddf5509148d [2021-10-29 04:42:40,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:42:40,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:42:40,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:42:40,285 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:42:40,286 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:42:40,287 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018de88c-5887-40d1-b09d-b1a4de2da037/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/goblint-regression/13-privatized_48-pfscan_protected_loop_minimal_unknown_1_neg.i [2021-10-29 04:42:40,363 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018de88c-5887-40d1-b09d-b1a4de2da037/bin/utaipan-SDwSMHVbGG/data/475955745/214f1bb820cf4a1bb97190d47c065287/FLAG6159648cb [2021-10-29 04:42:41,021 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:42:41,038 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018de88c-5887-40d1-b09d-b1a4de2da037/sv-benchmarks/c/goblint-regression/13-privatized_48-pfscan_protected_loop_minimal_unknown_1_neg.i [2021-10-29 04:42:41,074 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018de88c-5887-40d1-b09d-b1a4de2da037/bin/utaipan-SDwSMHVbGG/data/475955745/214f1bb820cf4a1bb97190d47c065287/FLAG6159648cb [2021-10-29 04:42:41,311 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018de88c-5887-40d1-b09d-b1a4de2da037/bin/utaipan-SDwSMHVbGG/data/475955745/214f1bb820cf4a1bb97190d47c065287 [2021-10-29 04:42:41,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:42:41,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:42:41,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:42:41,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:42:41,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:42:41,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:42:41" (1/1) ... [2021-10-29 04:42:41,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58a83315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:41, skipping insertion in model container [2021-10-29 04:42:41,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:42:41" (1/1) ... [2021-10-29 04:42:41,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:42:41,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:42:41,684 WARN L228 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_018de88c-5887-40d1-b09d-b1a4de2da037/sv-benchmarks/c/goblint-regression/13-privatized_48-pfscan_protected_loop_minimal_unknown_1_neg.i[853,866] [2021-10-29 04:42:41,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:42:41,979 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:42:41,999 WARN L228 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_018de88c-5887-40d1-b09d-b1a4de2da037/sv-benchmarks/c/goblint-regression/13-privatized_48-pfscan_protected_loop_minimal_unknown_1_neg.i[853,866] [2021-10-29 04:42:42,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:42:42,147 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:42:42,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:42 WrapperNode [2021-10-29 04:42:42,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:42:42,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:42:42,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:42:42,150 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:42:42,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:42" (1/1) ... [2021-10-29 04:42:42,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:42" (1/1) ... [2021-10-29 04:42:42,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:42:42,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:42:42,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:42:42,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:42:42,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:42" (1/1) ... [2021-10-29 04:42:42,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:42" (1/1) ... [2021-10-29 04:42:42,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:42" (1/1) ... [2021-10-29 04:42:42,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:42" (1/1) ... [2021-10-29 04:42:42,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:42" (1/1) ... [2021-10-29 04:42:42,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:42" (1/1) ... [2021-10-29 04:42:42,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:42" (1/1) ... [2021-10-29 04:42:42,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:42:42,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:42:42,335 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:42:42,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:42:42,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:42" (1/1) ... [2021-10-29 04:42:42,347 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:42:42,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018de88c-5887-40d1-b09d-b1a4de2da037/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:42:42,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018de88c-5887-40d1-b09d-b1a4de2da037/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 04:42:42,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018de88c-5887-40d1-b09d-b1a4de2da037/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 04:42:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 04:42:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2021-10-29 04:42:42,515 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2021-10-29 04:42:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 04:42:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-29 04:42:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:42:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:42:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:42:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:42:42,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:42:42,519 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 04:42:42,984 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:42:42,984 INFO L299 CfgBuilder]: Removed 15 assume(true) statements. [2021-10-29 04:42:42,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:42:42 BoogieIcfgContainer [2021-10-29 04:42:42,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:42:42,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 04:42:42,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 04:42:42,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 04:42:42,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:42:41" (1/3) ... [2021-10-29 04:42:42,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d55fe3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:42:42, skipping insertion in model container [2021-10-29 04:42:42,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:42" (2/3) ... [2021-10-29 04:42:43,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d55fe3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:42:42, skipping insertion in model container [2021-10-29 04:42:43,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:42:42" (3/3) ... [2021-10-29 04:42:43,002 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_48-pfscan_protected_loop_minimal_unknown_1_neg.i [2021-10-29 04:42:43,014 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-29 04:42:43,014 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 04:42:43,014 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 04:42:43,015 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-29 04:42:43,093 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,093 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,093 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,093 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,094 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,094 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,094 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,094 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,095 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,095 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,095 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,096 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,096 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,096 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,096 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,097 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,097 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,097 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,097 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,098 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,098 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,098 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,098 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,098 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,099 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,099 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~got~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,099 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,099 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,100 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,100 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,100 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,100 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,100 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,101 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,101 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~got~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,101 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,101 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,101 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,102 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,102 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,102 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,102 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,103 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,103 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,103 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~got~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,103 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~got~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,104 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,104 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,104 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,104 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,105 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,105 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,105 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,122 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,122 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,122 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,123 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,123 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,123 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,123 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,124 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,124 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,124 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,124 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,124 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,125 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,125 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,125 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,125 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,126 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,126 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,126 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,127 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,127 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,127 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,127 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,128 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,128 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,128 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,128 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,129 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,129 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,129 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,129 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,130 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,130 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,130 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,130 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,131 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,131 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,131 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,131 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,132 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,132 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,132 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,132 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,133 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,133 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,133 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,133 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,134 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,134 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,134 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,134 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,135 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,135 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,135 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~got~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,135 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,136 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~got~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,136 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,136 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,136 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,137 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,137 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,137 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,138 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,138 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,138 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,138 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,139 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,139 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,139 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,139 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,140 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,140 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,140 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,140 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,141 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,141 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,141 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,141 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,142 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,142 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,142 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,142 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,143 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,143 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,143 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,143 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,144 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,144 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~got~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,144 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~got~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,144 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,145 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,145 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,145 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,150 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,150 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,150 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,151 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,151 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,151 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,151 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~got~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,152 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,152 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,152 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,152 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,153 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,153 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,153 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,153 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,154 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,154 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,154 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,154 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:42:43,164 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-29 04:42:43,233 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 04:42:43,243 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=FINITE_AUTOMATA, 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 [2021-10-29 04:42:43,243 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 04:42:43,277 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-29 04:42:43,295 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 112 transitions, 229 flow [2021-10-29 04:42:43,299 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 112 transitions, 229 flow [2021-10-29 04:42:43,302 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 112 transitions, 229 flow [2021-10-29 04:42:43,377 INFO L129 PetriNetUnfolder]: 8/111 cut-off events. [2021-10-29 04:42:43,377 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-29 04:42:43,382 INFO L84 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 111 events. 8/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 173 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-10-29 04:42:43,387 INFO L116 LiptonReduction]: Number of co-enabled transitions 2760 [2021-10-29 04:42:50,059 INFO L131 LiptonReduction]: Checked pairs total: 3059 [2021-10-29 04:42:50,059 INFO L133 LiptonReduction]: Total number of compositions: 103 [2021-10-29 04:42:50,082 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 22 transitions, 49 flow [2021-10-29 04:42:50,102 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 56 states, 55 states have (on average 2.327272727272727) internal successors, (128), 55 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:42:50,105 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 55 states have (on average 2.327272727272727) internal successors, (128), 55 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:42:50,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:42:50,115 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:42:50,116 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-29 04:42:50,116 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:42:50,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:42:50,122 INFO L85 PathProgramCache]: Analyzing trace with hash 120964711, now seen corresponding path program 1 times [2021-10-29 04:42:50,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 04:42:50,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084012642] [2021-10-29 04:42:50,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:42:50,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:42:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:42:50,308 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:42:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:42:50,419 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-29 04:42:50,423 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 04:42:50,425 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location workerErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:42:50,428 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-29 04:42:50,429 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location workerErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:42:50,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 04:42:50,432 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-29 04:42:50,437 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-29 04:42:50,438 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 04:42:50,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:42:50 BasicIcfg [2021-10-29 04:42:50,495 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 04:42:50,496 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:42:50,496 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:42:50,497 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:42:50,498 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:42:42" (3/4) ... [2021-10-29 04:42:50,501 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 04:42:50,584 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018de88c-5887-40d1-b09d-b1a4de2da037/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 04:42:50,588 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:42:50,591 INFO L168 Benchmark]: Toolchain (without parser) took 9273.32 ms. Allocated memory was 96.5 MB in the beginning and 144.7 MB in the end (delta: 48.2 MB). Free memory was 53.9 MB in the beginning and 62.3 MB in the end (delta: -8.4 MB). Peak memory consumption was 41.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:42:50,594 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 96.5 MB. Free memory was 71.5 MB in the beginning and 71.3 MB in the end (delta: 145.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:42:50,595 INFO L168 Benchmark]: CACSL2BoogieTranslator took 827.98 ms. Allocated memory is still 96.5 MB. Free memory was 53.6 MB in the beginning and 65.5 MB in the end (delta: -11.9 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:42:50,595 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.42 ms. Allocated memory is still 96.5 MB. Free memory was 65.5 MB in the beginning and 63.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:42:50,597 INFO L168 Benchmark]: Boogie Preprocessor took 72.53 ms. Allocated memory is still 96.5 MB. Free memory was 63.5 MB in the beginning and 61.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:42:50,598 INFO L168 Benchmark]: RCFGBuilder took 660.29 ms. Allocated memory is still 96.5 MB. Free memory was 61.7 MB in the beginning and 62.2 MB in the end (delta: -459.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:42:50,599 INFO L168 Benchmark]: TraceAbstraction took 7505.59 ms. Allocated memory was 96.5 MB in the beginning and 144.7 MB in the end (delta: 48.2 MB). Free memory was 61.4 MB in the beginning and 65.5 MB in the end (delta: -4.0 MB). Peak memory consumption was 45.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:42:50,599 INFO L168 Benchmark]: Witness Printer took 92.70 ms. Allocated memory is still 144.7 MB. Free memory was 65.5 MB in the beginning and 62.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:42:50,607 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 96.5 MB. Free memory was 71.5 MB in the beginning and 71.3 MB in the end (delta: 145.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 827.98 ms. Allocated memory is still 96.5 MB. Free memory was 53.6 MB in the beginning and 65.5 MB in the end (delta: -11.9 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.42 ms. Allocated memory is still 96.5 MB. Free memory was 65.5 MB in the beginning and 63.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.53 ms. Allocated memory is still 96.5 MB. Free memory was 63.5 MB in the beginning and 61.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 660.29 ms. Allocated memory is still 96.5 MB. Free memory was 61.7 MB in the beginning and 62.2 MB in the end (delta: -459.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7505.59 ms. Allocated memory was 96.5 MB in the beginning and 144.7 MB in the end (delta: 48.2 MB). Free memory was 61.4 MB in the beginning and 65.5 MB in the end (delta: -4.0 MB). Peak memory consumption was 45.9 MB. Max. memory is 16.1 GB. * Witness Printer took 92.70 ms. Allocated memory is still 144.7 MB. Free memory was 65.5 MB in the beginning and 62.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.7s, 108 PlacesBefore, 21 PlacesAfterwards, 112 TransitionsBefore, 22 TransitionsAfterwards, 2760 CoEnabledTransitionPairs, 6 FixpointIterations, 33 TrivialSequentialCompositions, 55 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 3 ChoiceCompositions, 103 TotalNumberOfCompositions, 3059 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2460, positive: 2362, positive conditional: 0, positive unconditional: 2362, negative: 98, negative conditional: 0, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1899, positive: 1870, positive conditional: 0, positive unconditional: 1870, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1899, positive: 1868, positive conditional: 0, positive unconditional: 1868, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 132, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 120, negative conditional: 0, negative unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2460, positive: 492, positive conditional: 0, positive unconditional: 492, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 1899, unknown conditional: 0, unknown unconditional: 1899] , Statistics on independence cache: Total cache size (in pairs): 73, Positive cache size: 61, Positive conditional cache size: 0, Positive unconditional cache size: 61, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 - 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: 13]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L680] 0 PQUEUE pqb ; [L719] 0 pthread_t tid; [L720] 0 PQUEUE *qp = &pqb; [L683] 0 qp->occupied = 0 [L685] 0 return (0); [L722] FCALL, FORK 0 pthread_create(& tid, ((void *)0), & worker, ((void *)0)) VAL [pqb={3:0}] [L712] COND TRUE 1 1 [L696] 1 int got = 0; [L698] EXPR 1 qp->occupied [L698] COND TRUE 1 qp->occupied <= 0 [L699] 1 qp->occupied [L13] COND TRUE 1 !(cond) [L13] 1 reach_error() VAL [pqb={3:0}] - UnprovableResult [Line: 722]: 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 with 1 thread instances CFG has 3 procedures, 147 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.8s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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! [2021-10-29 04:42:50,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018de88c-5887-40d1-b09d-b1a4de2da037/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...