./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1568f4b0615eb98ed6bee584aeda19485d9df0ed08c84a8233a5817e939c5388 --- 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 [2022-11-19 07:48:09,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:48:09,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:48:09,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:48:09,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:48:09,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:48:09,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:48:09,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:48:09,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:48:09,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:48:09,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:48:09,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:48:09,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:48:09,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:48:09,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:48:09,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:48:09,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:48:09,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:48:09,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:48:09,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:48:09,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:48:09,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:48:09,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:48:09,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:48:09,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:48:09,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:48:09,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:48:09,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:48:09,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:48:09,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:48:09,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:48:09,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:48:09,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:48:09,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:48:09,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:48:09,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:48:09,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:48:09,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:48:09,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:48:09,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:48:09,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:48:09,154 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-19 07:48:09,197 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:48:09,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:48:09,198 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:48:09,198 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:48:09,199 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:48:09,200 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:48:09,200 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:48:09,200 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:48:09,201 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:48:09,201 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:48:09,202 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:48:09,202 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:48:09,203 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:48:09,203 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:48:09,203 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:48:09,204 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:48:09,204 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:48:09,204 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:48:09,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-19 07:48:09,205 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-19 07:48:09,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:48:09,206 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:48:09,206 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:48:09,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:48:09,208 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:48:09,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:48:09,208 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-19 07:48:09,209 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-19 07:48:09,209 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-19 07:48:09,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:48:09,210 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 07:48:09,210 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:48:09,210 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:48:09,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:48:09,211 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:48:09,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:48:09,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:48:09,212 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:48:09,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:48:09,212 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:48:09,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:48:09,213 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:48:09,213 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_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1568f4b0615eb98ed6bee584aeda19485d9df0ed08c84a8233a5817e939c5388 [2022-11-19 07:48:09,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:48:09,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:48:09,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:48:09,505 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:48:09,506 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:48:09,508 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i [2022-11-19 07:48:09,582 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/data/fad141c7a/eac7b1be1c4e4334b835cb70c5bb5068/FLAGb232bcc11 [2022-11-19 07:48:10,108 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:48:10,109 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i [2022-11-19 07:48:10,127 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/data/fad141c7a/eac7b1be1c4e4334b835cb70c5bb5068/FLAGb232bcc11 [2022-11-19 07:48:10,432 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/data/fad141c7a/eac7b1be1c4e4334b835cb70c5bb5068 [2022-11-19 07:48:10,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:48:10,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:48:10,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:48:10,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:48:10,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:48:10,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:10" (1/1) ... [2022-11-19 07:48:10,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33263e82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:10, skipping insertion in model container [2022-11-19 07:48:10,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:10" (1/1) ... [2022-11-19 07:48:10,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:48:10,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:48:10,836 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_c39363f6-d76c-4c0e-b782-18df518d580f/sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i[995,1008] [2022-11-19 07:48:11,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:48:11,141 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:48:11,154 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_c39363f6-d76c-4c0e-b782-18df518d580f/sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i[995,1008] [2022-11-19 07:48:11,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:48:11,291 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:48:11,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:11 WrapperNode [2022-11-19 07:48:11,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:48:11,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:48:11,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:48:11,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:48:11,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:11" (1/1) ... [2022-11-19 07:48:11,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:11" (1/1) ... [2022-11-19 07:48:11,351 INFO L138 Inliner]: procedures = 176, calls = 86, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 225 [2022-11-19 07:48:11,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:48:11,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:48:11,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:48:11,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:48:11,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:11" (1/1) ... [2022-11-19 07:48:11,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:11" (1/1) ... [2022-11-19 07:48:11,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:11" (1/1) ... [2022-11-19 07:48:11,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:11" (1/1) ... [2022-11-19 07:48:11,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:11" (1/1) ... [2022-11-19 07:48:11,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:11" (1/1) ... [2022-11-19 07:48:11,395 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:11" (1/1) ... [2022-11-19 07:48:11,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:11" (1/1) ... [2022-11-19 07:48:11,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:48:11,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:48:11,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:48:11,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:48:11,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:11" (1/1) ... [2022-11-19 07:48:11,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:48:11,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:48:11,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:48:11,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:48:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:48:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:48:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-19 07:48:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:48:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:48:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:48:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-19 07:48:11,518 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-19 07:48:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-19 07:48:11,519 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-19 07:48:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-19 07:48:11,519 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-19 07:48:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:48:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-19 07:48:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:48:11,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:48:11,521 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 07:48:11,680 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:48:11,682 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:48:12,479 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:48:13,442 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:48:13,442 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:48:13,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:13 BoogieIcfgContainer [2022-11-19 07:48:13,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:48:13,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:48:13,448 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:48:13,452 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:48:13,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:48:10" (1/3) ... [2022-11-19 07:48:13,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd44299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:13, skipping insertion in model container [2022-11-19 07:48:13,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:11" (2/3) ... [2022-11-19 07:48:13,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd44299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:13, skipping insertion in model container [2022-11-19 07:48:13,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:13" (3/3) ... [2022-11-19 07:48:13,456 INFO L112 eAbstractionObserver]: Analyzing ICFG safe015_power.oepc.i [2022-11-19 07:48:13,475 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:48:13,476 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2022-11-19 07:48:13,476 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 07:48:13,701 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-19 07:48:13,746 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 07:48:13,763 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 205 places, 197 transitions, 409 flow [2022-11-19 07:48:13,767 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 205 places, 197 transitions, 409 flow [2022-11-19 07:48:13,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 205 places, 197 transitions, 409 flow [2022-11-19 07:48:13,926 INFO L130 PetriNetUnfolder]: 2/194 cut-off events. [2022-11-19 07:48:13,926 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-19 07:48:13,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 204 conditions, 194 events. 2/194 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 354 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 134. Up to 2 conditions per place. [2022-11-19 07:48:13,940 INFO L119 LiptonReduction]: Number of co-enabled transitions 9288 [2022-11-19 07:48:54,952 INFO L134 LiptonReduction]: Checked pairs total: 43193 [2022-11-19 07:48:54,953 INFO L136 LiptonReduction]: Total number of compositions: 206 [2022-11-19 07:48:54,961 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 102 places, 92 transitions, 199 flow [2022-11-19 07:48:58,667 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 119756 states, 79416 states have (on average 5.672093784627783) internal successors, (450455), 119755 states have internal predecessors, (450455), 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) [2022-11-19 07:48:58,710 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:48:58,716 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@19c5002a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:48:58,717 INFO L358 AbstractCegarLoop]: Starting to check reachability of 105 error locations. [2022-11-19 07:48:58,827 INFO L276 IsEmpty]: Start isEmpty. Operand has 119756 states, 79416 states have (on average 5.672093784627783) internal successors, (450455), 119755 states have internal predecessors, (450455), 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) [2022-11-19 07:48:58,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-19 07:48:58,831 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:58,832 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-19 07:48:58,833 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 07:48:58,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:58,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1471, now seen corresponding path program 1 times [2022-11-19 07:48:58,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:58,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274698382] [2022-11-19 07:48:58,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:58,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:59,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:59,009 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:59,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274698382] [2022-11-19 07:48:59,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274698382] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:59,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:59,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-19 07:48:59,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517112973] [2022-11-19 07:48:59,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:59,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:48:59,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:59,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:48:59,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:48:59,242 INFO L87 Difference]: Start difference. First operand has 119756 states, 79416 states have (on average 5.672093784627783) internal successors, (450455), 119755 states have internal predecessors, (450455), 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) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-11-19 07:48:59,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:59,929 INFO L93 Difference]: Finished difference Result 12552 states and 44887 transitions. [2022-11-19 07:48:59,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:48:59,931 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) Word has length 1 [2022-11-19 07:48:59,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:49:00,063 INFO L225 Difference]: With dead ends: 12552 [2022-11-19 07:49:00,063 INFO L226 Difference]: Without dead ends: 12552 [2022-11-19 07:49:00,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:49:00,067 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:49:00,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:49:00,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12552 states. [2022-11-19 07:49:00,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12552 to 12552. [2022-11-19 07:49:00,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12552 states, 10936 states have (on average 4.104517190929042) internal successors, (44887), 12551 states have internal predecessors, (44887), 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) [2022-11-19 07:49:00,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12552 states to 12552 states and 44887 transitions. [2022-11-19 07:49:00,960 INFO L78 Accepts]: Start accepts. Automaton has 12552 states and 44887 transitions. Word has length 1 [2022-11-19 07:49:00,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:49:00,961 INFO L495 AbstractCegarLoop]: Abstraction has 12552 states and 44887 transitions. [2022-11-19 07:49:00,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-11-19 07:49:00,967 INFO L276 IsEmpty]: Start isEmpty. Operand 12552 states and 44887 transitions. [2022-11-19 07:49:00,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 07:49:00,968 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:49:00,968 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 07:49:00,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:49:00,969 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 07:49:00,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:49:00,970 INFO L85 PathProgramCache]: Analyzing trace with hash 45112778, now seen corresponding path program 1 times [2022-11-19 07:49:00,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:49:00,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238532340] [2022-11-19 07:49:00,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:49:00,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:49:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:49:01,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:49:01,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:49:01,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238532340] [2022-11-19 07:49:01,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238532340] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:49:01,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:49:01,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-19 07:49:01,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378228536] [2022-11-19 07:49:01,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:49:01,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:49:01,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:49:01,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:49:01,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:49:01,260 INFO L87 Difference]: Start difference. First operand 12552 states and 44887 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-19 07:49:01,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:49:01,540 INFO L93 Difference]: Finished difference Result 6648 states and 23068 transitions. [2022-11-19 07:49:01,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:49:01,540 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2022-11-19 07:49:01,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:49:01,705 INFO L225 Difference]: With dead ends: 6648 [2022-11-19 07:49:01,708 INFO L226 Difference]: Without dead ends: 6648 [2022-11-19 07:49:01,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:49:01,709 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 31 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:49:01,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 3 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:49:01,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6648 states. [2022-11-19 07:49:01,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6648 to 6648. [2022-11-19 07:49:01,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6648 states, 6115 states have (on average 3.772363041700736) internal successors, (23068), 6647 states have internal predecessors, (23068), 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) [2022-11-19 07:49:02,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6648 states to 6648 states and 23068 transitions. [2022-11-19 07:49:02,010 INFO L78 Accepts]: Start accepts. Automaton has 6648 states and 23068 transitions. Word has length 4 [2022-11-19 07:49:02,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:49:02,010 INFO L495 AbstractCegarLoop]: Abstraction has 6648 states and 23068 transitions. [2022-11-19 07:49:02,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-19 07:49:02,011 INFO L276 IsEmpty]: Start isEmpty. Operand 6648 states and 23068 transitions. [2022-11-19 07:49:02,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 07:49:02,012 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:49:02,012 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 07:49:02,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:49:02,012 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 07:49:02,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:49:02,013 INFO L85 PathProgramCache]: Analyzing trace with hash 45112779, now seen corresponding path program 1 times [2022-11-19 07:49:02,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:49:02,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655509583] [2022-11-19 07:49:02,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:49:02,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:49:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:49:02,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:49:02,205 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:49:02,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655509583] [2022-11-19 07:49:02,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655509583] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:49:02,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:49:02,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-19 07:49:02,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976836124] [2022-11-19 07:49:02,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:49:02,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:49:02,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:49:02,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:49:02,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:49:02,209 INFO L87 Difference]: Start difference. First operand 6648 states and 23068 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-19 07:49:02,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:49:02,431 INFO L93 Difference]: Finished difference Result 2510 states and 8321 transitions. [2022-11-19 07:49:02,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:49:02,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2022-11-19 07:49:02,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:49:02,447 INFO L225 Difference]: With dead ends: 2510 [2022-11-19 07:49:02,447 INFO L226 Difference]: Without dead ends: 2510 [2022-11-19 07:49:02,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:49:02,451 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 32 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:49:02,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 2 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:49:02,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2510 states. [2022-11-19 07:49:02,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2510 to 2510. [2022-11-19 07:49:02,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2510 states, 2422 states have (on average 3.4355904211395543) internal successors, (8321), 2509 states have internal predecessors, (8321), 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) [2022-11-19 07:49:02,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2510 states to 2510 states and 8321 transitions. [2022-11-19 07:49:02,533 INFO L78 Accepts]: Start accepts. Automaton has 2510 states and 8321 transitions. Word has length 4 [2022-11-19 07:49:02,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:49:02,535 INFO L495 AbstractCegarLoop]: Abstraction has 2510 states and 8321 transitions. [2022-11-19 07:49:02,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-19 07:49:02,535 INFO L276 IsEmpty]: Start isEmpty. Operand 2510 states and 8321 transitions. [2022-11-19 07:49:02,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-19 07:49:02,536 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:49:02,536 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-19 07:49:02,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:49:02,536 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 07:49:02,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:49:02,537 INFO L85 PathProgramCache]: Analyzing trace with hash 404990774, now seen corresponding path program 1 times [2022-11-19 07:49:02,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:49:02,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483258272] [2022-11-19 07:49:02,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:49:02,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:49:02,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:49:02,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:49:02,712 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:49:02,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483258272] [2022-11-19 07:49:02,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483258272] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:49:02,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:49:02,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-19 07:49:02,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50357590] [2022-11-19 07:49:02,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:49:02,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:49:02,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:49:02,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:49:02,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:49:02,714 INFO L87 Difference]: Start difference. First operand 2510 states and 8321 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-19 07:49:02,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:49:02,891 INFO L93 Difference]: Finished difference Result 2198 states and 7243 transitions. [2022-11-19 07:49:02,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:49:02,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) Word has length 6 [2022-11-19 07:49:02,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:49:02,904 INFO L225 Difference]: With dead ends: 2198 [2022-11-19 07:49:02,904 INFO L226 Difference]: Without dead ends: 2198 [2022-11-19 07:49:02,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:49:02,905 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 16 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:49:02,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 4 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:49:02,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2198 states. [2022-11-19 07:49:02,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2198 to 2198. [2022-11-19 07:49:02,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2198 states, 2129 states have (on average 3.4020666979802723) internal successors, (7243), 2197 states have internal predecessors, (7243), 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) [2022-11-19 07:49:02,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 2198 states and 7243 transitions. [2022-11-19 07:49:02,972 INFO L78 Accepts]: Start accepts. Automaton has 2198 states and 7243 transitions. Word has length 6 [2022-11-19 07:49:02,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:49:02,972 INFO L495 AbstractCegarLoop]: Abstraction has 2198 states and 7243 transitions. [2022-11-19 07:49:02,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-19 07:49:02,973 INFO L276 IsEmpty]: Start isEmpty. Operand 2198 states and 7243 transitions. [2022-11-19 07:49:02,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-19 07:49:02,973 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:49:02,973 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:49:02,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:49:02,974 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P1Err1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 07:49:02,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:49:02,974 INFO L85 PathProgramCache]: Analyzing trace with hash -330186669, now seen corresponding path program 1 times [2022-11-19 07:49:02,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:49:02,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94107365] [2022-11-19 07:49:02,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:49:02,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:49:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:49:03,000 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 07:49:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:49:03,043 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 07:49:03,043 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 07:49:03,045 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P1Err1ASSERT_VIOLATIONMEMORY_LEAK (104 of 105 remaining) [2022-11-19 07:49:03,047 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (103 of 105 remaining) [2022-11-19 07:49:03,047 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (102 of 105 remaining) [2022-11-19 07:49:03,047 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (101 of 105 remaining) [2022-11-19 07:49:03,048 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (100 of 105 remaining) [2022-11-19 07:49:03,048 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (99 of 105 remaining) [2022-11-19 07:49:03,048 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (98 of 105 remaining) [2022-11-19 07:49:03,048 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (97 of 105 remaining) [2022-11-19 07:49:03,049 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (96 of 105 remaining) [2022-11-19 07:49:03,049 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (95 of 105 remaining) [2022-11-19 07:49:03,049 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (94 of 105 remaining) [2022-11-19 07:49:03,050 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (93 of 105 remaining) [2022-11-19 07:49:03,050 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (92 of 105 remaining) [2022-11-19 07:49:03,050 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (91 of 105 remaining) [2022-11-19 07:49:03,050 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONMEMORY_LEAK (90 of 105 remaining) [2022-11-19 07:49:03,051 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (89 of 105 remaining) [2022-11-19 07:49:03,051 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (88 of 105 remaining) [2022-11-19 07:49:03,051 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (87 of 105 remaining) [2022-11-19 07:49:03,051 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (86 of 105 remaining) [2022-11-19 07:49:03,052 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (85 of 105 remaining) [2022-11-19 07:49:03,052 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (84 of 105 remaining) [2022-11-19 07:49:03,052 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (83 of 105 remaining) [2022-11-19 07:49:03,052 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (82 of 105 remaining) [2022-11-19 07:49:03,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (81 of 105 remaining) [2022-11-19 07:49:03,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (80 of 105 remaining) [2022-11-19 07:49:03,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (79 of 105 remaining) [2022-11-19 07:49:03,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (78 of 105 remaining) [2022-11-19 07:49:03,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (77 of 105 remaining) [2022-11-19 07:49:03,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (76 of 105 remaining) [2022-11-19 07:49:03,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (75 of 105 remaining) [2022-11-19 07:49:03,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (74 of 105 remaining) [2022-11-19 07:49:03,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (73 of 105 remaining) [2022-11-19 07:49:03,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (72 of 105 remaining) [2022-11-19 07:49:03,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 105 remaining) [2022-11-19 07:49:03,056 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 105 remaining) [2022-11-19 07:49:03,056 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 105 remaining) [2022-11-19 07:49:03,056 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 105 remaining) [2022-11-19 07:49:03,056 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 105 remaining) [2022-11-19 07:49:03,057 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 105 remaining) [2022-11-19 07:49:03,057 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 105 remaining) [2022-11-19 07:49:03,057 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 105 remaining) [2022-11-19 07:49:03,057 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 105 remaining) [2022-11-19 07:49:03,058 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 105 remaining) [2022-11-19 07:49:03,058 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 105 remaining) [2022-11-19 07:49:03,058 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 105 remaining) [2022-11-19 07:49:03,058 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 105 remaining) [2022-11-19 07:49:03,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 105 remaining) [2022-11-19 07:49:03,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 105 remaining) [2022-11-19 07:49:03,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 105 remaining) [2022-11-19 07:49:03,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 105 remaining) [2022-11-19 07:49:03,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 105 remaining) [2022-11-19 07:49:03,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 105 remaining) [2022-11-19 07:49:03,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 105 remaining) [2022-11-19 07:49:03,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 105 remaining) [2022-11-19 07:49:03,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 105 remaining) [2022-11-19 07:49:03,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 105 remaining) [2022-11-19 07:49:03,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 105 remaining) [2022-11-19 07:49:03,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 105 remaining) [2022-11-19 07:49:03,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 105 remaining) [2022-11-19 07:49:03,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 105 remaining) [2022-11-19 07:49:03,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 105 remaining) [2022-11-19 07:49:03,063 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 105 remaining) [2022-11-19 07:49:03,063 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 105 remaining) [2022-11-19 07:49:03,063 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK (41 of 105 remaining) [2022-11-19 07:49:03,064 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK (40 of 105 remaining) [2022-11-19 07:49:03,064 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 105 remaining) [2022-11-19 07:49:03,064 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 105 remaining) [2022-11-19 07:49:03,064 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 105 remaining) [2022-11-19 07:49:03,065 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 105 remaining) [2022-11-19 07:49:03,065 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 105 remaining) [2022-11-19 07:49:03,065 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 105 remaining) [2022-11-19 07:49:03,065 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 105 remaining) [2022-11-19 07:49:03,066 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 105 remaining) [2022-11-19 07:49:03,066 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 105 remaining) [2022-11-19 07:49:03,066 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 105 remaining) [2022-11-19 07:49:03,066 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 105 remaining) [2022-11-19 07:49:03,067 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 105 remaining) [2022-11-19 07:49:03,067 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 105 remaining) [2022-11-19 07:49:03,067 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 105 remaining) [2022-11-19 07:49:03,067 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 105 remaining) [2022-11-19 07:49:03,068 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (24 of 105 remaining) [2022-11-19 07:49:03,068 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 105 remaining) [2022-11-19 07:49:03,068 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 105 remaining) [2022-11-19 07:49:03,068 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 105 remaining) [2022-11-19 07:49:03,069 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 105 remaining) [2022-11-19 07:49:03,069 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 105 remaining) [2022-11-19 07:49:03,069 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 105 remaining) [2022-11-19 07:49:03,070 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 105 remaining) [2022-11-19 07:49:03,070 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 105 remaining) [2022-11-19 07:49:03,070 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 105 remaining) [2022-11-19 07:49:03,070 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 105 remaining) [2022-11-19 07:49:03,071 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 105 remaining) [2022-11-19 07:49:03,071 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 105 remaining) [2022-11-19 07:49:03,071 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 105 remaining) [2022-11-19 07:49:03,071 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 105 remaining) [2022-11-19 07:49:03,072 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 105 remaining) [2022-11-19 07:49:03,072 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 105 remaining) [2022-11-19 07:49:03,072 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 105 remaining) [2022-11-19 07:49:03,072 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 105 remaining) [2022-11-19 07:49:03,073 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 105 remaining) [2022-11-19 07:49:03,073 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 105 remaining) [2022-11-19 07:49:03,073 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 105 remaining) [2022-11-19 07:49:03,073 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 105 remaining) [2022-11-19 07:49:03,074 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 105 remaining) [2022-11-19 07:49:03,074 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 105 remaining) [2022-11-19 07:49:03,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:49:03,077 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-19 07:49:03,084 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-19 07:49:03,084 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:49:03,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:49:03 BasicIcfg [2022-11-19 07:49:03,127 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:49:03,128 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:49:03,128 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:49:03,128 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:49:03,137 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:13" (3/4) ... [2022-11-19 07:49:03,141 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-19 07:49:03,141 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:49:03,141 INFO L158 Benchmark]: Toolchain (without parser) took 52705.71ms. Allocated memory was 90.2MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 51.1MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 597.9MB. Max. memory is 16.1GB. [2022-11-19 07:49:03,142 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 90.2MB. Free memory was 69.3MB in the beginning and 69.2MB in the end (delta: 46.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:49:03,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 854.31ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 50.9MB in the beginning and 76.5MB in the end (delta: -25.6MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2022-11-19 07:49:03,143 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.66ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 73.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 07:49:03,143 INFO L158 Benchmark]: Boogie Preprocessor took 50.30ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 70.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:49:03,143 INFO L158 Benchmark]: RCFGBuilder took 2041.75ms. Allocated memory was 117.4MB in the beginning and 146.8MB in the end (delta: 29.4MB). Free memory was 70.6MB in the beginning and 72.1MB in the end (delta: -1.5MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2022-11-19 07:49:03,144 INFO L158 Benchmark]: TraceAbstraction took 49678.72ms. Allocated memory was 146.8MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 71.0MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 560.4MB. Max. memory is 16.1GB. [2022-11-19 07:49:03,144 INFO L158 Benchmark]: Witness Printer took 13.41ms. Allocated memory is still 2.5GB. Free memory was 1.9GB in the beginning and 1.9GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:49:03,149 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 90.2MB. Free memory was 69.3MB in the beginning and 69.2MB in the end (delta: 46.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 854.31ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 50.9MB in the beginning and 76.5MB in the end (delta: -25.6MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.66ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 73.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.30ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 70.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2041.75ms. Allocated memory was 117.4MB in the beginning and 146.8MB in the end (delta: 29.4MB). Free memory was 70.6MB in the beginning and 72.1MB in the end (delta: -1.5MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. * TraceAbstraction took 49678.72ms. Allocated memory was 146.8MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 71.0MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 560.4MB. Max. memory is 16.1GB. * Witness Printer took 13.41ms. Allocated memory is still 2.5GB. Free memory was 1.9GB in the beginning and 1.9GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41.2s, 205 PlacesBefore, 102 PlacesAfterwards, 197 TransitionsBefore, 92 TransitionsAfterwards, 9288 CoEnabledTransitionPairs, 7 FixpointIterations, 72 TrivialSequentialCompositions, 129 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 2 ChoiceCompositions, 206 TotalNumberOfCompositions, 43193 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 17132, independent: 16547, independent conditional: 0, independent unconditional: 16547, dependent: 440, dependent conditional: 0, dependent unconditional: 440, unknown: 145, unknown conditional: 0, unknown unconditional: 145] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6322, independent: 6206, independent conditional: 0, independent unconditional: 6206, dependent: 94, dependent conditional: 0, dependent unconditional: 94, unknown: 22, unknown conditional: 0, unknown unconditional: 22] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6322, independent: 4763, independent conditional: 0, independent unconditional: 4763, dependent: 1559, dependent conditional: 0, dependent unconditional: 1559, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1559, independent: 1443, independent conditional: 0, independent unconditional: 1443, dependent: 94, dependent conditional: 0, dependent unconditional: 94, unknown: 22, unknown conditional: 0, unknown unconditional: 22] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8801, independent: 7383, independent conditional: 0, independent unconditional: 7383, dependent: 938, dependent conditional: 0, dependent unconditional: 938, unknown: 480, unknown conditional: 0, unknown unconditional: 480] ], Cache Queries: [ total: 17132, independent: 10341, independent conditional: 0, independent unconditional: 10341, dependent: 346, dependent conditional: 0, dependent unconditional: 346, unknown: 6445, unknown conditional: 0, unknown unconditional: 6445] , Statistics on independence cache: Total cache size (in pairs): 925, Positive cache size: 884, Positive conditional cache size: 0, Positive unconditional cache size: 884, Negative cache size: 41, Negative conditional cache size: 0, Negative unconditional cache size: 41, Unknown cache size: 12, Unknown conditional cache size: 0, Unknown 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 - UnprovableResult [Line: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 19. Possible FailurePath: [L725] 0 _Bool __unbuffered_p2_EAX$read_delayed; [L735] 0 _Bool x$flush_delayed; [L746] 0 int *x$read_delayed_var; [L753] 0 _Bool weak$$choice0; [L754] 0 _Bool weak$$choice1; [L755] 0 _Bool weak$$choice2; [L736] 0 int x$mem_tmp; [L712] 0 int __unbuffered_p0_EAX = 0; [L740] 0 _Bool x$r_buff0_thd3; [L738] 0 _Bool x$r_buff0_thd1; [L739] 0 _Bool x$r_buff0_thd2; [L730] 0 _Bool __unbuffered_p2_EAX$w_buff1_used; [L737] 0 _Bool x$r_buff0_thd0; [L726] 0 int *__unbuffered_p2_EAX$read_delayed_var; [L714] 0 int __unbuffered_p2_EAX = 0; [L745] 0 _Bool x$read_delayed; [L710] 0 int __unbuffered_cnt = 0; [L719] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd2; [L718] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd1; [L717] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd0; [L732] 0 _Bool main$tmp_guard1; [L750] 0 _Bool x$w_buff1_used; [L731] 0 _Bool main$tmp_guard0; [L720] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd3; [L748] 0 _Bool x$w_buff0_used; [L747] 0 int x$w_buff0; [L749] 0 int x$w_buff1; [L727] 0 int __unbuffered_p2_EAX$w_buff0; [L724] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd3; [L729] 0 int __unbuffered_p2_EAX$w_buff1; [L734] 0 int x = 0; [L742] 0 _Bool x$r_buff1_thd1; [L723] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd2; [L741] 0 _Bool x$r_buff1_thd0; [L752] 0 int y = 0; [L722] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd1; [L721] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd0; [L715] 0 _Bool __unbuffered_p2_EAX$flush_delayed; [L728] 0 _Bool __unbuffered_p2_EAX$w_buff0_used; [L744] 0 _Bool x$r_buff1_thd3; [L716] 0 int __unbuffered_p2_EAX$mem_tmp; [L743] 0 _Bool x$r_buff1_thd2; [L871] 0 pthread_t t2121; [L872] FCALL, FORK 0 pthread_create(&t2121, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2121, ((void *)0), P0, ((void *)0))=-1, t2121={6:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L873] 0 pthread_t t2122; [L874] FCALL, FORK 0 pthread_create(&t2122, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2122, ((void *)0), P1, ((void *)0))=0, t2121={6:0}, t2122={5:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L789] 2 x$w_buff1 = x$w_buff0 [L790] 2 x$w_buff0 = 1 [L791] 2 x$w_buff1_used = x$w_buff0_used [L792] 2 x$w_buff0_used = (_Bool)1 [L793] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L19] COND FALSE 2 !(!expression) [L793] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L794] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L795] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L796] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L797] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L798] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L801] 2 x$w_buff1 = x$w_buff0 [L802] 2 x$w_buff0 = 2 [L803] 2 x$w_buff1_used = x$w_buff0_used [L804] 2 x$w_buff0_used = (_Bool)1 [L805] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L19] COND TRUE 2 !expression [L19] 2 reach_error() VAL [\old(expression)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, expression=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=1, x$w_buff1_used=1, y=0] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 869]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 874]: 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. - UnprovableResult [Line: 872]: 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. - UnprovableResult [Line: 876]: 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 7 procedures, 260 locations, 105 error locations. Started 1 CEGAR loops. OverallTime: 49.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 44.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 79 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 217 IncrementalHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 8 mSDtfsCounter, 217 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119756occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 69 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 could not prove your program: unable to determine feasibility of some traces [2022-11-19 07:49:03,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1568f4b0615eb98ed6bee584aeda19485d9df0ed08c84a8233a5817e939c5388 --- 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 [2022-11-19 07:49:05,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:49:05,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:49:05,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:49:05,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:49:05,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:49:05,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:49:05,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:49:05,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:49:05,594 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:49:05,596 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:49:05,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:49:05,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:49:05,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:49:05,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:49:05,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:49:05,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:49:05,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:49:05,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:49:05,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:49:05,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:49:05,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:49:05,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:49:05,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:49:05,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:49:05,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:49:05,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:49:05,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:49:05,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:49:05,638 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:49:05,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:49:05,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:49:05,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:49:05,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:49:05,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:49:05,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:49:05,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:49:05,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:49:05,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:49:05,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:49:05,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:49:05,652 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-19 07:49:05,704 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:49:05,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:49:05,705 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:49:05,705 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:49:05,706 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:49:05,706 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:49:05,707 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:49:05,707 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:49:05,707 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:49:05,707 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:49:05,708 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:49:05,709 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:49:05,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-19 07:49:05,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-19 07:49:05,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:49:05,711 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:49:05,711 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:49:05,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:49:05,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:49:05,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:49:05,712 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-19 07:49:05,712 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-19 07:49:05,713 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-19 07:49:05,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:49:05,713 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 07:49:05,713 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 07:49:05,714 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 07:49:05,714 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:49:05,714 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:49:05,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:49:05,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 07:49:05,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:49:05,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:49:05,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:49:05,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:49:05,717 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 07:49:05,717 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 07:49:05,717 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:49:05,717 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 07:49:05,718 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/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_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 1568f4b0615eb98ed6bee584aeda19485d9df0ed08c84a8233a5817e939c5388 [2022-11-19 07:49:06,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:49:06,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:49:06,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:49:06,119 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:49:06,120 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:49:06,121 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i [2022-11-19 07:49:06,203 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/data/75766fbd3/6fee32b2e73245ae91029670225bcd48/FLAGc7cb1d9b0 [2022-11-19 07:49:06,844 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:49:06,845 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i [2022-11-19 07:49:06,859 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/data/75766fbd3/6fee32b2e73245ae91029670225bcd48/FLAGc7cb1d9b0 [2022-11-19 07:49:07,114 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/data/75766fbd3/6fee32b2e73245ae91029670225bcd48 [2022-11-19 07:49:07,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:49:07,118 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:49:07,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:49:07,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:49:07,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:49:07,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:07" (1/1) ... [2022-11-19 07:49:07,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac25927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:07, skipping insertion in model container [2022-11-19 07:49:07,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:07" (1/1) ... [2022-11-19 07:49:07,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:49:07,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:49:07,372 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_c39363f6-d76c-4c0e-b782-18df518d580f/sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i[995,1008] [2022-11-19 07:49:07,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:49:07,627 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:49:07,652 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_c39363f6-d76c-4c0e-b782-18df518d580f/sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i[995,1008] [2022-11-19 07:49:07,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:49:07,802 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:49:07,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:07 WrapperNode [2022-11-19 07:49:07,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:49:07,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:49:07,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:49:07,805 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:49:07,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:07" (1/1) ... [2022-11-19 07:49:07,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:07" (1/1) ... [2022-11-19 07:49:07,863 INFO L138 Inliner]: procedures = 180, calls = 86, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 226 [2022-11-19 07:49:07,864 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:49:07,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:49:07,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:49:07,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:49:07,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:07" (1/1) ... [2022-11-19 07:49:07,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:07" (1/1) ... [2022-11-19 07:49:07,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:07" (1/1) ... [2022-11-19 07:49:07,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:07" (1/1) ... [2022-11-19 07:49:07,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:07" (1/1) ... [2022-11-19 07:49:07,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:07" (1/1) ... [2022-11-19 07:49:07,904 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:07" (1/1) ... [2022-11-19 07:49:07,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:07" (1/1) ... [2022-11-19 07:49:07,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:49:07,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:49:07,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:49:07,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:49:07,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:07" (1/1) ... [2022-11-19 07:49:07,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:49:07,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:49:07,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:49:08,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:49:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-19 07:49:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-19 07:49:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:49:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:49:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:49:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-19 07:49:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-19 07:49:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-19 07:49:08,051 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-19 07:49:08,051 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-19 07:49:08,051 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-19 07:49:08,051 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-19 07:49:08,051 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-19 07:49:08,052 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-19 07:49:08,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-19 07:49:08,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:49:08,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:49:08,054 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 07:49:08,325 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:49:08,327 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:49:09,280 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:49:10,381 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:49:10,382 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:49:10,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:10 BoogieIcfgContainer [2022-11-19 07:49:10,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:49:10,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:49:10,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:49:10,391 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:49:10,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:49:07" (1/3) ... [2022-11-19 07:49:10,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4b9faa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:49:10, skipping insertion in model container [2022-11-19 07:49:10,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:07" (2/3) ... [2022-11-19 07:49:10,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4b9faa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:49:10, skipping insertion in model container [2022-11-19 07:49:10,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:10" (3/3) ... [2022-11-19 07:49:10,394 INFO L112 eAbstractionObserver]: Analyzing ICFG safe015_power.oepc.i [2022-11-19 07:49:10,414 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:49:10,415 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2022-11-19 07:49:10,415 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 07:49:10,687 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-19 07:49:10,735 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 07:49:10,749 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 206 places, 198 transitions, 411 flow [2022-11-19 07:49:10,752 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 206 places, 198 transitions, 411 flow [2022-11-19 07:49:10,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 206 places, 198 transitions, 411 flow [2022-11-19 07:49:10,914 INFO L130 PetriNetUnfolder]: 2/195 cut-off events. [2022-11-19 07:49:10,915 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-19 07:49:10,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 195 events. 2/195 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 360 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 134. Up to 2 conditions per place. [2022-11-19 07:49:10,933 INFO L119 LiptonReduction]: Number of co-enabled transitions 9288 [2022-11-19 07:49:33,745 WARN L233 SmtUtils]: Spent 6.67s on a formula simplification. DAG size of input: 199 DAG size of output: 196 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:49:41,726 WARN L233 SmtUtils]: Spent 6.05s on a formula simplification. DAG size of input: 227 DAG size of output: 225 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:49:47,400 WARN L233 SmtUtils]: Spent 5.67s on a formula simplification. DAG size of input: 225 DAG size of output: 225 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:50:34,290 INFO L134 LiptonReduction]: Checked pairs total: 46418 [2022-11-19 07:50:34,290 INFO L136 LiptonReduction]: Total number of compositions: 194 [2022-11-19 07:50:34,299 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 102 places, 93 transitions, 201 flow [2022-11-19 07:50:37,880 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 119756 states, 79416 states have (on average 5.727498237131057) internal successors, (454855), 119755 states have internal predecessors, (454855), 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) [2022-11-19 07:50:37,900 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:50:37,919 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@19009e9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:50:37,919 INFO L358 AbstractCegarLoop]: Starting to check reachability of 105 error locations. [2022-11-19 07:50:38,087 INFO L276 IsEmpty]: Start isEmpty. Operand has 119756 states, 79416 states have (on average 5.727498237131057) internal successors, (454855), 119755 states have internal predecessors, (454855), 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) [2022-11-19 07:50:38,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-19 07:50:38,092 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:50:38,093 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-19 07:50:38,093 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 07:50:38,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:50:38,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1461, now seen corresponding path program 1 times [2022-11-19 07:50:38,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:50:38,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [500906406] [2022-11-19 07:50:38,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:50:38,112 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:50:38,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:50:38,119 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:50:38,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-19 07:50:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:50:38,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-19 07:50:38,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:50:38,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:50:38,957 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:50:38,957 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:50:38,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [500906406] [2022-11-19 07:50:38,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [500906406] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:50:38,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:50:38,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-19 07:50:38,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209805003] [2022-11-19 07:50:38,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:50:38,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:50:38,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:50:38,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:50:38,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:50:39,124 INFO L87 Difference]: Start difference. First operand has 119756 states, 79416 states have (on average 5.727498237131057) internal successors, (454855), 119755 states have internal predecessors, (454855), 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) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-11-19 07:50:39,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:50:39,819 INFO L93 Difference]: Finished difference Result 12552 states and 44887 transitions. [2022-11-19 07:50:39,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:50:39,822 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) Word has length 1 [2022-11-19 07:50:39,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:50:39,963 INFO L225 Difference]: With dead ends: 12552 [2022-11-19 07:50:39,963 INFO L226 Difference]: Without dead ends: 12552 [2022-11-19 07:50:39,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:50:39,969 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:50:39,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:50:40,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12552 states. [2022-11-19 07:50:40,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12552 to 12552. [2022-11-19 07:50:40,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12552 states, 10936 states have (on average 4.104517190929042) internal successors, (44887), 12551 states have internal predecessors, (44887), 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) [2022-11-19 07:50:40,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12552 states to 12552 states and 44887 transitions. [2022-11-19 07:50:40,810 INFO L78 Accepts]: Start accepts. Automaton has 12552 states and 44887 transitions. Word has length 1 [2022-11-19 07:50:40,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:50:40,811 INFO L495 AbstractCegarLoop]: Abstraction has 12552 states and 44887 transitions. [2022-11-19 07:50:40,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-11-19 07:50:40,812 INFO L276 IsEmpty]: Start isEmpty. Operand 12552 states and 44887 transitions. [2022-11-19 07:50:40,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 07:50:40,813 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:50:40,813 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 07:50:40,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:50:41,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:50:41,027 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 07:50:41,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:50:41,027 INFO L85 PathProgramCache]: Analyzing trace with hash 44782940, now seen corresponding path program 1 times [2022-11-19 07:50:41,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:50:41,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1832554049] [2022-11-19 07:50:41,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:50:41,028 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:50:41,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:50:41,032 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:50:41,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-19 07:50:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:50:41,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:50:41,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:50:41,715 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-19 07:50:41,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-11-19 07:50:41,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:50:41,757 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:50:41,757 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:50:41,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1832554049] [2022-11-19 07:50:41,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1832554049] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:50:41,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:50:41,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-19 07:50:41,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122201565] [2022-11-19 07:50:41,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:50:41,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:50:41,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:50:41,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:50:41,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:50:41,761 INFO L87 Difference]: Start difference. First operand 12552 states and 44887 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-19 07:50:42,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:50:42,205 INFO L93 Difference]: Finished difference Result 6648 states and 23068 transitions. [2022-11-19 07:50:42,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:50:42,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2022-11-19 07:50:42,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:50:42,360 INFO L225 Difference]: With dead ends: 6648 [2022-11-19 07:50:42,360 INFO L226 Difference]: Without dead ends: 6648 [2022-11-19 07:50:42,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:50:42,362 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 31 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:50:42,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 3 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 07:50:42,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6648 states. [2022-11-19 07:50:42,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6648 to 6648. [2022-11-19 07:50:42,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6648 states, 6115 states have (on average 3.772363041700736) internal successors, (23068), 6647 states have internal predecessors, (23068), 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) [2022-11-19 07:50:42,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6648 states to 6648 states and 23068 transitions. [2022-11-19 07:50:42,609 INFO L78 Accepts]: Start accepts. Automaton has 6648 states and 23068 transitions. Word has length 4 [2022-11-19 07:50:42,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:50:42,609 INFO L495 AbstractCegarLoop]: Abstraction has 6648 states and 23068 transitions. [2022-11-19 07:50:42,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-19 07:50:42,610 INFO L276 IsEmpty]: Start isEmpty. Operand 6648 states and 23068 transitions. [2022-11-19 07:50:42,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 07:50:42,610 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:50:42,611 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 07:50:42,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:50:42,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:50:42,823 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 07:50:42,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:50:42,824 INFO L85 PathProgramCache]: Analyzing trace with hash 44782941, now seen corresponding path program 1 times [2022-11-19 07:50:42,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:50:42,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1627444824] [2022-11-19 07:50:42,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:50:42,825 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:50:42,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:50:42,827 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:50:42,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-19 07:50:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:50:43,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 07:50:43,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:50:43,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:50:43,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-19 07:50:43,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:50:43,473 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:50:43,473 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:50:43,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1627444824] [2022-11-19 07:50:43,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1627444824] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:50:43,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:50:43,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-19 07:50:43,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527976750] [2022-11-19 07:50:43,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:50:43,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:50:43,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:50:43,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:50:43,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:50:43,476 INFO L87 Difference]: Start difference. First operand 6648 states and 23068 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-19 07:50:43,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:50:43,752 INFO L93 Difference]: Finished difference Result 2510 states and 8321 transitions. [2022-11-19 07:50:43,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:50:43,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2022-11-19 07:50:43,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:50:43,766 INFO L225 Difference]: With dead ends: 2510 [2022-11-19 07:50:43,766 INFO L226 Difference]: Without dead ends: 2510 [2022-11-19 07:50:43,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:50:43,770 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 32 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:50:43,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 2 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:50:43,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2510 states. [2022-11-19 07:50:43,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2510 to 2510. [2022-11-19 07:50:43,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2510 states, 2422 states have (on average 3.4355904211395543) internal successors, (8321), 2509 states have internal predecessors, (8321), 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) [2022-11-19 07:50:43,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2510 states to 2510 states and 8321 transitions. [2022-11-19 07:50:43,865 INFO L78 Accepts]: Start accepts. Automaton has 2510 states and 8321 transitions. Word has length 4 [2022-11-19 07:50:43,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:50:43,865 INFO L495 AbstractCegarLoop]: Abstraction has 2510 states and 8321 transitions. [2022-11-19 07:50:43,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-19 07:50:43,866 INFO L276 IsEmpty]: Start isEmpty. Operand 2510 states and 8321 transitions. [2022-11-19 07:50:43,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-19 07:50:43,866 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:50:43,866 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-19 07:50:43,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-19 07:50:44,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:50:44,079 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 07:50:44,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:50:44,079 INFO L85 PathProgramCache]: Analyzing trace with hash 88316344, now seen corresponding path program 1 times [2022-11-19 07:50:44,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:50:44,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2051846950] [2022-11-19 07:50:44,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:50:44,080 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:50:44,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:50:44,082 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:50:44,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-19 07:50:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:50:44,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:50:44,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:50:44,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:50:44,625 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:50:44,626 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:50:44,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2051846950] [2022-11-19 07:50:44,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2051846950] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:50:44,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:50:44,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-19 07:50:44,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44836094] [2022-11-19 07:50:44,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:50:44,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:50:44,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:50:44,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:50:44,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:50:44,630 INFO L87 Difference]: Start difference. First operand 2510 states and 8321 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-19 07:50:44,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:50:44,927 INFO L93 Difference]: Finished difference Result 2198 states and 7243 transitions. [2022-11-19 07:50:44,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:50:44,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) Word has length 6 [2022-11-19 07:50:44,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:50:44,939 INFO L225 Difference]: With dead ends: 2198 [2022-11-19 07:50:44,940 INFO L226 Difference]: Without dead ends: 2198 [2022-11-19 07:50:44,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:50:44,941 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 16 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:50:44,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 4 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 07:50:44,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2198 states. [2022-11-19 07:50:44,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2198 to 2198. [2022-11-19 07:50:45,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2198 states, 2129 states have (on average 3.4020666979802723) internal successors, (7243), 2197 states have internal predecessors, (7243), 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) [2022-11-19 07:50:45,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 2198 states and 7243 transitions. [2022-11-19 07:50:45,011 INFO L78 Accepts]: Start accepts. Automaton has 2198 states and 7243 transitions. Word has length 6 [2022-11-19 07:50:45,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:50:45,011 INFO L495 AbstractCegarLoop]: Abstraction has 2198 states and 7243 transitions. [2022-11-19 07:50:45,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-19 07:50:45,012 INFO L276 IsEmpty]: Start isEmpty. Operand 2198 states and 7243 transitions. [2022-11-19 07:50:45,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-19 07:50:45,012 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:50:45,013 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:50:45,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-19 07:50:45,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:50:45,230 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P1Err1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 07:50:45,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:50:45,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1557159405, now seen corresponding path program 1 times [2022-11-19 07:50:45,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:50:45,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [106053641] [2022-11-19 07:50:45,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:50:45,232 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:50:45,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:50:45,233 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:50:45,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-19 07:50:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:50:45,706 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 07:50:45,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:50:45,801 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-19 07:50:45,802 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 07:50:45,803 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P1Err1ASSERT_VIOLATIONMEMORY_LEAK (104 of 105 remaining) [2022-11-19 07:50:45,804 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (103 of 105 remaining) [2022-11-19 07:50:45,805 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (102 of 105 remaining) [2022-11-19 07:50:45,805 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (101 of 105 remaining) [2022-11-19 07:50:45,805 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (100 of 105 remaining) [2022-11-19 07:50:45,805 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (99 of 105 remaining) [2022-11-19 07:50:45,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (98 of 105 remaining) [2022-11-19 07:50:45,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (97 of 105 remaining) [2022-11-19 07:50:45,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (96 of 105 remaining) [2022-11-19 07:50:45,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (95 of 105 remaining) [2022-11-19 07:50:45,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (94 of 105 remaining) [2022-11-19 07:50:45,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (93 of 105 remaining) [2022-11-19 07:50:45,807 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (92 of 105 remaining) [2022-11-19 07:50:45,807 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (91 of 105 remaining) [2022-11-19 07:50:45,807 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONMEMORY_LEAK (90 of 105 remaining) [2022-11-19 07:50:45,807 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (89 of 105 remaining) [2022-11-19 07:50:45,807 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (88 of 105 remaining) [2022-11-19 07:50:45,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (87 of 105 remaining) [2022-11-19 07:50:45,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (86 of 105 remaining) [2022-11-19 07:50:45,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (85 of 105 remaining) [2022-11-19 07:50:45,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (84 of 105 remaining) [2022-11-19 07:50:45,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (83 of 105 remaining) [2022-11-19 07:50:45,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (82 of 105 remaining) [2022-11-19 07:50:45,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (81 of 105 remaining) [2022-11-19 07:50:45,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (80 of 105 remaining) [2022-11-19 07:50:45,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (79 of 105 remaining) [2022-11-19 07:50:45,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (78 of 105 remaining) [2022-11-19 07:50:45,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (77 of 105 remaining) [2022-11-19 07:50:45,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (76 of 105 remaining) [2022-11-19 07:50:45,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (75 of 105 remaining) [2022-11-19 07:50:45,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (74 of 105 remaining) [2022-11-19 07:50:45,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (73 of 105 remaining) [2022-11-19 07:50:45,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (72 of 105 remaining) [2022-11-19 07:50:45,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 105 remaining) [2022-11-19 07:50:45,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 105 remaining) [2022-11-19 07:50:45,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 105 remaining) [2022-11-19 07:50:45,812 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 105 remaining) [2022-11-19 07:50:45,812 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 105 remaining) [2022-11-19 07:50:45,812 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 105 remaining) [2022-11-19 07:50:45,812 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 105 remaining) [2022-11-19 07:50:45,812 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 105 remaining) [2022-11-19 07:50:45,813 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 105 remaining) [2022-11-19 07:50:45,813 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 105 remaining) [2022-11-19 07:50:45,813 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 105 remaining) [2022-11-19 07:50:45,813 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 105 remaining) [2022-11-19 07:50:45,813 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 105 remaining) [2022-11-19 07:50:45,814 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 105 remaining) [2022-11-19 07:50:45,814 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 105 remaining) [2022-11-19 07:50:45,814 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 105 remaining) [2022-11-19 07:50:45,814 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 105 remaining) [2022-11-19 07:50:45,814 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 105 remaining) [2022-11-19 07:50:45,815 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 105 remaining) [2022-11-19 07:50:45,815 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 105 remaining) [2022-11-19 07:50:45,815 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 105 remaining) [2022-11-19 07:50:45,815 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 105 remaining) [2022-11-19 07:50:45,815 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 105 remaining) [2022-11-19 07:50:45,816 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 105 remaining) [2022-11-19 07:50:45,816 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 105 remaining) [2022-11-19 07:50:45,816 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 105 remaining) [2022-11-19 07:50:45,816 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 105 remaining) [2022-11-19 07:50:45,816 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 105 remaining) [2022-11-19 07:50:45,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 105 remaining) [2022-11-19 07:50:45,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 105 remaining) [2022-11-19 07:50:45,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK (41 of 105 remaining) [2022-11-19 07:50:45,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK (40 of 105 remaining) [2022-11-19 07:50:45,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 105 remaining) [2022-11-19 07:50:45,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 105 remaining) [2022-11-19 07:50:45,846 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 105 remaining) [2022-11-19 07:50:45,846 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 105 remaining) [2022-11-19 07:50:45,846 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 105 remaining) [2022-11-19 07:50:45,847 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 105 remaining) [2022-11-19 07:50:45,847 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 105 remaining) [2022-11-19 07:50:45,847 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 105 remaining) [2022-11-19 07:50:45,847 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 105 remaining) [2022-11-19 07:50:45,847 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 105 remaining) [2022-11-19 07:50:45,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 105 remaining) [2022-11-19 07:50:45,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 105 remaining) [2022-11-19 07:50:45,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 105 remaining) [2022-11-19 07:50:45,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 105 remaining) [2022-11-19 07:50:45,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 105 remaining) [2022-11-19 07:50:45,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (24 of 105 remaining) [2022-11-19 07:50:45,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 105 remaining) [2022-11-19 07:50:45,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 105 remaining) [2022-11-19 07:50:45,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 105 remaining) [2022-11-19 07:50:45,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 105 remaining) [2022-11-19 07:50:45,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 105 remaining) [2022-11-19 07:50:45,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 105 remaining) [2022-11-19 07:50:45,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 105 remaining) [2022-11-19 07:50:45,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 105 remaining) [2022-11-19 07:50:45,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 105 remaining) [2022-11-19 07:50:45,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 105 remaining) [2022-11-19 07:50:45,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 105 remaining) [2022-11-19 07:50:45,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 105 remaining) [2022-11-19 07:50:45,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 105 remaining) [2022-11-19 07:50:45,852 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 105 remaining) [2022-11-19 07:50:45,852 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 105 remaining) [2022-11-19 07:50:45,852 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 105 remaining) [2022-11-19 07:50:45,853 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 105 remaining) [2022-11-19 07:50:45,853 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 105 remaining) [2022-11-19 07:50:45,853 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 105 remaining) [2022-11-19 07:50:45,853 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 105 remaining) [2022-11-19 07:50:45,853 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 105 remaining) [2022-11-19 07:50:45,854 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 105 remaining) [2022-11-19 07:50:45,854 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 105 remaining) [2022-11-19 07:50:45,854 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 105 remaining) [2022-11-19 07:50:45,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-19 07:50:46,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:50:46,069 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-19 07:50:46,075 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-19 07:50:46,075 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:50:46,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:50:46 BasicIcfg [2022-11-19 07:50:46,128 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:50:46,129 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:50:46,129 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:50:46,129 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:50:46,132 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:10" (3/4) ... [2022-11-19 07:50:46,134 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-19 07:50:46,134 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:50:46,135 INFO L158 Benchmark]: Toolchain (without parser) took 99016.65ms. Allocated memory was 69.2MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 49.7MB in the beginning and 1.6GB in the end (delta: -1.6GB). Peak memory consumption was 453.3MB. Max. memory is 16.1GB. [2022-11-19 07:50:46,135 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 69.2MB. Free memory was 51.0MB in the beginning and 50.9MB in the end (delta: 57.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:50:46,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 683.80ms. Allocated memory is still 69.2MB. Free memory was 49.4MB in the beginning and 36.7MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 07:50:46,136 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.07ms. Allocated memory is still 69.2MB. Free memory was 36.5MB in the beginning and 33.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:50:46,136 INFO L158 Benchmark]: Boogie Preprocessor took 75.69ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 33.7MB in the beginning and 80.6MB in the end (delta: -46.9MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2022-11-19 07:50:46,139 INFO L158 Benchmark]: RCFGBuilder took 2443.52ms. Allocated memory was 98.6MB in the beginning and 136.3MB in the end (delta: 37.7MB). Free memory was 80.6MB in the beginning and 59.3MB in the end (delta: 21.3MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. [2022-11-19 07:50:46,139 INFO L158 Benchmark]: TraceAbstraction took 95741.23ms. Allocated memory was 136.3MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 58.3MB in the beginning and 1.6GB in the end (delta: -1.6GB). Peak memory consumption was 557.1MB. Max. memory is 16.1GB. [2022-11-19 07:50:46,140 INFO L158 Benchmark]: Witness Printer took 5.53ms. Allocated memory is still 2.1GB. Free memory is still 1.6GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:50:46,143 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 69.2MB. Free memory was 51.0MB in the beginning and 50.9MB in the end (delta: 57.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 683.80ms. Allocated memory is still 69.2MB. Free memory was 49.4MB in the beginning and 36.7MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.07ms. Allocated memory is still 69.2MB. Free memory was 36.5MB in the beginning and 33.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.69ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 33.7MB in the beginning and 80.6MB in the end (delta: -46.9MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * RCFGBuilder took 2443.52ms. Allocated memory was 98.6MB in the beginning and 136.3MB in the end (delta: 37.7MB). Free memory was 80.6MB in the beginning and 59.3MB in the end (delta: 21.3MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. * TraceAbstraction took 95741.23ms. Allocated memory was 136.3MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 58.3MB in the beginning and 1.6GB in the end (delta: -1.6GB). Peak memory consumption was 557.1MB. Max. memory is 16.1GB. * Witness Printer took 5.53ms. Allocated memory is still 2.1GB. Free memory is still 1.6GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 83.5s, 206 PlacesBefore, 102 PlacesAfterwards, 198 TransitionsBefore, 93 TransitionsAfterwards, 9288 CoEnabledTransitionPairs, 8 FixpointIterations, 69 TrivialSequentialCompositions, 119 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 194 TotalNumberOfCompositions, 46418 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 20611, independent: 19970, independent conditional: 0, independent unconditional: 19970, dependent: 571, dependent conditional: 0, dependent unconditional: 571, unknown: 70, unknown conditional: 0, unknown unconditional: 70] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6700, independent: 6585, independent conditional: 0, independent unconditional: 6585, dependent: 103, dependent conditional: 0, dependent unconditional: 103, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6700, independent: 5039, independent conditional: 0, independent unconditional: 5039, dependent: 1661, dependent conditional: 0, dependent unconditional: 1661, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1661, independent: 1546, independent conditional: 0, independent unconditional: 1546, dependent: 103, dependent conditional: 0, dependent unconditional: 103, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10901, independent: 8761, independent conditional: 0, independent unconditional: 8761, dependent: 1621, dependent conditional: 0, dependent unconditional: 1621, unknown: 519, unknown conditional: 0, unknown unconditional: 519] ], Cache Queries: [ total: 20611, independent: 13385, independent conditional: 0, independent unconditional: 13385, dependent: 468, dependent conditional: 0, dependent unconditional: 468, unknown: 6758, unknown conditional: 0, unknown unconditional: 6758] , Statistics on independence cache: Total cache size (in pairs): 1097, Positive cache size: 1049, Positive conditional cache size: 0, Positive unconditional cache size: 1049, Negative cache size: 48, Negative conditional cache size: 0, Negative unconditional cache size: 48, Unknown cache size: 6, Unknown conditional cache size: 0, Unknown unconditional cache size: 6 - 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 - UnprovableResult [Line: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 19. Possible FailurePath: [L725] 0 _Bool __unbuffered_p2_EAX$read_delayed; [L735] 0 _Bool x$flush_delayed; [L746] 0 int *x$read_delayed_var; [L753] 0 _Bool weak$$choice0; [L754] 0 _Bool weak$$choice1; [L755] 0 _Bool weak$$choice2; [L736] 0 int x$mem_tmp; [L712] 0 int __unbuffered_p0_EAX = 0; [L740] 0 _Bool x$r_buff0_thd3; [L738] 0 _Bool x$r_buff0_thd1; [L739] 0 _Bool x$r_buff0_thd2; [L730] 0 _Bool __unbuffered_p2_EAX$w_buff1_used; [L737] 0 _Bool x$r_buff0_thd0; [L726] 0 int *__unbuffered_p2_EAX$read_delayed_var; [L714] 0 int __unbuffered_p2_EAX = 0; [L745] 0 _Bool x$read_delayed; [L710] 0 int __unbuffered_cnt = 0; [L719] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd2; [L718] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd1; [L717] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd0; [L732] 0 _Bool main$tmp_guard1; [L750] 0 _Bool x$w_buff1_used; [L731] 0 _Bool main$tmp_guard0; [L720] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd3; [L748] 0 _Bool x$w_buff0_used; [L747] 0 int x$w_buff0; [L749] 0 int x$w_buff1; [L727] 0 int __unbuffered_p2_EAX$w_buff0; [L724] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd3; [L729] 0 int __unbuffered_p2_EAX$w_buff1; [L734] 0 int x = 0; [L742] 0 _Bool x$r_buff1_thd1; [L723] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd2; [L741] 0 _Bool x$r_buff1_thd0; [L752] 0 int y = 0; [L722] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd1; [L721] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd0; [L715] 0 _Bool __unbuffered_p2_EAX$flush_delayed; [L728] 0 _Bool __unbuffered_p2_EAX$w_buff0_used; [L744] 0 _Bool x$r_buff1_thd3; [L716] 0 int __unbuffered_p2_EAX$mem_tmp; [L743] 0 _Bool x$r_buff1_thd2; [L871] 0 pthread_t t2121; [L872] FCALL, FORK 0 pthread_create(&t2121, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2121, ((void *)0), P0, ((void *)0))=0, t2121={7:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L873] 0 pthread_t t2122; [L874] FCALL, FORK 0 pthread_create(&t2122, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2122, ((void *)0), P1, ((void *)0))=1, t2121={7:0}, t2122={15:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L789] 2 x$w_buff1 = x$w_buff0 [L790] 2 x$w_buff0 = 1 [L791] 2 x$w_buff1_used = x$w_buff0_used [L792] 2 x$w_buff0_used = (_Bool)1 [L793] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L19] COND FALSE 2 !(!expression) [L793] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L794] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L795] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L796] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L797] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L798] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L801] 2 x$w_buff1 = x$w_buff0 [L802] 2 x$w_buff0 = 2 [L803] 2 x$w_buff1_used = x$w_buff0_used [L804] 2 x$w_buff0_used = (_Bool)1 [L805] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L19] COND TRUE 2 !expression [L19] 2 reach_error() VAL [\old(expression)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, expression=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=1, x$w_buff1_used=1, y=0] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 869]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 876]: 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. - UnprovableResult [Line: 874]: 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. - UnprovableResult [Line: 872]: 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 7 procedures, 261 locations, 105 error locations. Started 1 CEGAR loops. OverallTime: 95.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 87.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 79 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 217 IncrementalHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 8 mSDtfsCounter, 217 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119756occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 84 SizeOfPredicates, 2 NumberOfNonLiveVariables, 283 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 could not prove your program: unable to determine feasibility of some traces [2022-11-19 07:50:46,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c39363f6-d76c-4c0e-b782-18df518d580f/bin/utaipan-I9t0OCRTmS/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: UNKNOWN: Overapproximated counterexample