./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 84f62959dc20df3dcecaea8b03619fc02cb1358b ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 84f62959dc20df3dcecaea8b03619fc02cb1358b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 02:44:31,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 02:44:31,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 02:44:31,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 02:44:31,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 02:44:31,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 02:44:31,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 02:44:31,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 02:44:31,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 02:44:31,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 02:44:31,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 02:44:31,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 02:44:31,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 02:44:31,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 02:44:31,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 02:44:31,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 02:44:31,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 02:44:31,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 02:44:31,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 02:44:31,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 02:44:31,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 02:44:31,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 02:44:31,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 02:44:31,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 02:44:31,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 02:44:31,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 02:44:31,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 02:44:31,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 02:44:31,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 02:44:31,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 02:44:31,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 02:44:31,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 02:44:31,372 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 02:44:31,373 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 02:44:31,374 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 02:44:31,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 02:44:31,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 02:44:31,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 02:44:31,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 02:44:31,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 02:44:31,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 02:44:31,379 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-30 02:44:31,404 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 02:44:31,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 02:44:31,406 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 02:44:31,406 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 02:44:31,406 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 02:44:31,406 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 02:44:31,407 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 02:44:31,407 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 02:44:31,407 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 02:44:31,407 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 02:44:31,407 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 02:44:31,408 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 02:44:31,408 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 02:44:31,408 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 02:44:31,408 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 02:44:31,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 02:44:31,410 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 02:44:31,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 02:44:31,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 02:44:31,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 02:44:31,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 02:44:31,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 02:44:31,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 02:44:31,411 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 02:44:31,411 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 02:44:31,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 02:44:31,412 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 02:44:31,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 02:44:31,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 02:44:31,413 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 02:44:31,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 02:44:31,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:44:31,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 02:44:31,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 02:44:31,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 02:44:31,414 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 02:44:31,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 02:44:31,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 02:44:31,415 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 02:44:31,415 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 02:44:31,415 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84f62959dc20df3dcecaea8b03619fc02cb1358b [2020-11-30 02:44:31,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 02:44:31,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 02:44:31,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 02:44:31,700 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 02:44:31,701 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 02:44:31,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan/../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i [2020-11-30 02:44:31,780 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan/data/ebe455d99/20530566b0324879bd439cea502c330b/FLAG23cd5c3ee [2020-11-30 02:44:32,365 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 02:44:32,366 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i [2020-11-30 02:44:32,392 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan/data/ebe455d99/20530566b0324879bd439cea502c330b/FLAG23cd5c3ee [2020-11-30 02:44:32,665 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan/data/ebe455d99/20530566b0324879bd439cea502c330b [2020-11-30 02:44:32,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 02:44:32,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 02:44:32,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 02:44:32,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 02:44:32,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 02:44:32,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:44:32" (1/1) ... [2020-11-30 02:44:32,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bfd47c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:44:32, skipping insertion in model container [2020-11-30 02:44:32,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:44:32" (1/1) ... [2020-11-30 02:44:32,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 02:44:32,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:44:33,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:44:33,189 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-11-30 02:44:33,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@277ff09a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:44:33, skipping insertion in model container [2020-11-30 02:44:33,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 02:44:33,191 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-30 02:44:33,195 INFO L168 Benchmark]: Toolchain (without parser) took 520.74 ms. Allocated memory is still 113.2 MB. Free memory was 80.6 MB in the beginning and 87.1 MB in the end (delta: -6.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 02:44:33,196 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 79.7 MB. Free memory was 37.7 MB in the beginning and 37.6 MB in the end (delta: 36.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:44:33,199 INFO L168 Benchmark]: CACSL2BoogieTranslator took 515.93 ms. Allocated memory is still 113.2 MB. Free memory was 80.3 MB in the beginning and 87.1 MB in the end (delta: -6.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 02:44:33,201 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 79.7 MB. Free memory was 37.7 MB in the beginning and 37.6 MB in the end (delta: 36.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 515.93 ms. Allocated memory is still 113.2 MB. Free memory was 80.3 MB in the beginning and 87.1 MB in the end (delta: -6.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 638]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 02:44:35,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 02:44:35,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 02:44:35,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 02:44:35,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 02:44:35,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 02:44:35,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 02:44:35,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 02:44:35,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 02:44:35,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 02:44:35,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 02:44:35,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 02:44:35,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 02:44:35,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 02:44:35,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 02:44:35,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 02:44:35,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 02:44:35,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 02:44:35,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 02:44:35,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 02:44:35,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 02:44:35,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 02:44:35,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 02:44:35,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 02:44:35,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 02:44:35,648 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 02:44:35,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 02:44:35,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 02:44:35,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 02:44:35,654 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 02:44:35,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 02:44:35,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 02:44:35,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 02:44:35,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 02:44:35,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 02:44:35,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 02:44:35,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 02:44:35,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 02:44:35,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 02:44:35,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 02:44:35,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 02:44:35,666 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-30 02:44:35,725 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 02:44:35,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 02:44:35,729 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 02:44:35,729 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 02:44:35,729 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 02:44:35,730 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 02:44:35,730 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 02:44:35,730 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 02:44:35,730 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 02:44:35,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 02:44:35,734 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 02:44:35,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 02:44:35,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 02:44:35,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 02:44:35,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 02:44:35,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 02:44:35,735 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 02:44:35,736 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 02:44:35,736 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 02:44:35,736 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 02:44:35,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 02:44:35,737 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 02:44:35,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 02:44:35,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 02:44:35,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 02:44:35,738 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 02:44:35,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 02:44:35,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:44:35,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 02:44:35,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 02:44:35,739 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 02:44:35,739 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 02:44:35,740 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 02:44:35,740 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 02:44:35,740 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 02:44:35,741 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 02:44:35,741 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-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84f62959dc20df3dcecaea8b03619fc02cb1358b [2020-11-30 02:44:36,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 02:44:36,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 02:44:36,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 02:44:36,196 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 02:44:36,199 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 02:44:36,200 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan/../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i [2020-11-30 02:44:36,276 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan/data/34a0c6be7/0aaf3a25e3184cb6b61d619e7c52f706/FLAGd74fe01b3 [2020-11-30 02:44:36,894 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 02:44:36,895 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i [2020-11-30 02:44:36,925 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan/data/34a0c6be7/0aaf3a25e3184cb6b61d619e7c52f706/FLAGd74fe01b3 [2020-11-30 02:44:37,125 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan/data/34a0c6be7/0aaf3a25e3184cb6b61d619e7c52f706 [2020-11-30 02:44:37,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 02:44:37,131 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 02:44:37,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 02:44:37,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 02:44:37,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 02:44:37,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:44:37" (1/1) ... [2020-11-30 02:44:37,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e512054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:44:37, skipping insertion in model container [2020-11-30 02:44:37,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:44:37" (1/1) ... [2020-11-30 02:44:37,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 02:44:37,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:44:37,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:44:37,677 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-30 02:44:37,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:44:37,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:44:37,734 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 02:44:37,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:44:37,883 INFO L208 MainTranslator]: Completed translation [2020-11-30 02:44:37,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:44:37 WrapperNode [2020-11-30 02:44:37,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 02:44:37,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 02:44:37,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 02:44:37,886 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 02:44:37,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:44:37" (1/1) ... [2020-11-30 02:44:37,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:44:37" (1/1) ... [2020-11-30 02:44:38,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 02:44:38,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 02:44:38,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 02:44:38,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 02:44:38,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:44:37" (1/1) ... [2020-11-30 02:44:38,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:44:37" (1/1) ... [2020-11-30 02:44:38,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:44:37" (1/1) ... [2020-11-30 02:44:38,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:44:37" (1/1) ... [2020-11-30 02:44:38,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:44:37" (1/1) ... [2020-11-30 02:44:38,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:44:37" (1/1) ... [2020-11-30 02:44:38,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:44:37" (1/1) ... [2020-11-30 02:44:38,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 02:44:38,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 02:44:38,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 02:44:38,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 02:44:38,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:44:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:44:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 02:44:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-30 02:44:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 02:44:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-30 02:44:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 02:44:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-30 02:44:38,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 02:44:38,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 02:44:38,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 02:44:39,604 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 02:44:39,609 INFO L298 CfgBuilder]: Removed 92 assume(true) statements. [2020-11-30 02:44:39,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:44:39 BoogieIcfgContainer [2020-11-30 02:44:39,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 02:44:39,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 02:44:39,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 02:44:39,620 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 02:44:39,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:44:37" (1/3) ... [2020-11-30 02:44:39,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48595d33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:44:39, skipping insertion in model container [2020-11-30 02:44:39,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:44:37" (2/3) ... [2020-11-30 02:44:39,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48595d33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:44:39, skipping insertion in model container [2020-11-30 02:44:39,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:44:39" (3/3) ... [2020-11-30 02:44:39,624 INFO L111 eAbstractionObserver]: Analyzing ICFG test_mutex_double_lock.i [2020-11-30 02:44:39,640 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 02:44:39,644 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-30 02:44:39,653 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-30 02:44:39,677 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 02:44:39,677 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 02:44:39,678 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 02:44:39,678 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 02:44:39,678 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 02:44:39,678 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 02:44:39,678 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 02:44:39,678 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 02:44:39,692 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2020-11-30 02:44:39,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 02:44:39,697 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:44:39,697 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:44:39,698 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:44:39,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:44:39,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1790047856, now seen corresponding path program 1 times [2020-11-30 02:44:39,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:44:39,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1374309284] [2020-11-30 02:44:39,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-30 02:44:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:44:39,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 02:44:39,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:44:39,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:44:39,894 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:44:39,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:44:39,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1374309284] [2020-11-30 02:44:39,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:44:39,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 02:44:39,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765597909] [2020-11-30 02:44:39,912 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 02:44:39,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:44:39,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 02:44:39,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 02:44:39,935 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 2 states. [2020-11-30 02:44:39,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:44:39,991 INFO L93 Difference]: Finished difference Result 187 states and 264 transitions. [2020-11-30 02:44:39,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 02:44:39,993 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-11-30 02:44:39,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:44:40,004 INFO L225 Difference]: With dead ends: 187 [2020-11-30 02:44:40,005 INFO L226 Difference]: Without dead ends: 89 [2020-11-30 02:44:40,008 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 02:44:40,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-11-30 02:44:40,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2020-11-30 02:44:40,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-11-30 02:44:40,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 106 transitions. [2020-11-30 02:44:40,066 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 106 transitions. Word has length 15 [2020-11-30 02:44:40,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:44:40,067 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 106 transitions. [2020-11-30 02:44:40,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 02:44:40,067 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2020-11-30 02:44:40,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 02:44:40,068 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:44:40,068 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:44:40,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 02:44:40,287 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:44:40,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:44:40,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1166744709, now seen corresponding path program 1 times [2020-11-30 02:44:40,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:44:40,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1045415244] [2020-11-30 02:44:40,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-30 02:44:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:44:40,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 02:44:40,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:44:40,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:44:40,535 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:44:40,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:44:40,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1045415244] [2020-11-30 02:44:40,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:44:40,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-30 02:44:40,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011511149] [2020-11-30 02:44:40,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 02:44:40,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:44:40,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 02:44:40,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 02:44:40,541 INFO L87 Difference]: Start difference. First operand 89 states and 106 transitions. Second operand 4 states. [2020-11-30 02:44:40,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:44:40,769 INFO L93 Difference]: Finished difference Result 145 states and 167 transitions. [2020-11-30 02:44:40,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 02:44:40,775 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-11-30 02:44:40,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:44:40,777 INFO L225 Difference]: With dead ends: 145 [2020-11-30 02:44:40,777 INFO L226 Difference]: Without dead ends: 139 [2020-11-30 02:44:40,778 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 02:44:40,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-11-30 02:44:40,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 93. [2020-11-30 02:44:40,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-11-30 02:44:40,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 110 transitions. [2020-11-30 02:44:40,796 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 110 transitions. Word has length 15 [2020-11-30 02:44:40,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:44:40,797 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 110 transitions. [2020-11-30 02:44:40,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 02:44:40,797 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2020-11-30 02:44:40,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 02:44:40,798 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:44:40,799 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:44:41,000 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 02:44:41,001 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:44:41,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:44:41,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1116874575, now seen corresponding path program 1 times [2020-11-30 02:44:41,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:44:41,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1361413232] [2020-11-30 02:44:41,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-30 02:44:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:44:41,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-30 02:44:41,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:44:41,314 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2020-11-30 02:44:41,315 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 02:44:41,333 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:44:41,347 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:44:41,347 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2020-11-30 02:44:41,348 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-30 02:44:41,360 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:44:41,360 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-30 02:44:41,361 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:10 [2020-11-30 02:44:41,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:44:41,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:44:41,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:44:41,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1361413232] [2020-11-30 02:44:41,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:44:41,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-11-30 02:44:41,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445816761] [2020-11-30 02:44:41,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 02:44:41,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:44:41,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 02:44:41,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-30 02:44:41,442 INFO L87 Difference]: Start difference. First operand 93 states and 110 transitions. Second operand 6 states. [2020-11-30 02:44:43,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:44:43,370 INFO L93 Difference]: Finished difference Result 270 states and 317 transitions. [2020-11-30 02:44:43,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 02:44:43,374 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-11-30 02:44:43,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:44:43,378 INFO L225 Difference]: With dead ends: 270 [2020-11-30 02:44:43,378 INFO L226 Difference]: Without dead ends: 186 [2020-11-30 02:44:43,379 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-30 02:44:43,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-11-30 02:44:43,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 105. [2020-11-30 02:44:43,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-11-30 02:44:43,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 122 transitions. [2020-11-30 02:44:43,412 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 122 transitions. Word has length 15 [2020-11-30 02:44:43,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:44:43,412 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 122 transitions. [2020-11-30 02:44:43,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 02:44:43,413 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 122 transitions. [2020-11-30 02:44:43,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-30 02:44:43,415 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:44:43,415 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:44:43,635 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 02:44:43,635 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:44:43,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:44:43,636 INFO L82 PathProgramCache]: Analyzing trace with hash -293940095, now seen corresponding path program 1 times [2020-11-30 02:44:43,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:44:43,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [645931136] [2020-11-30 02:44:43,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-30 02:44:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 02:44:43,917 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 02:44:44,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 02:44:44,085 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 02:44:44,178 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-11-30 02:44:44,179 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 02:44:44,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-30 02:44:44,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 02:44:44 BoogieIcfgContainer [2020-11-30 02:44:44,470 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 02:44:44,471 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 02:44:44,471 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 02:44:44,471 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 02:44:44,471 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:44:39" (3/4) ... [2020-11-30 02:44:44,473 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-30 02:44:44,547 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b8478fd0-2329-4648-a87d-090706fbaee4/bin/utaipan/witness.graphml [2020-11-30 02:44:44,548 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 02:44:44,560 INFO L168 Benchmark]: Toolchain (without parser) took 7423.16 ms. Allocated memory was 54.5 MB in the beginning and 88.1 MB in the end (delta: 33.6 MB). Free memory was 31.2 MB in the beginning and 32.2 MB in the end (delta: -1.0 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. [2020-11-30 02:44:44,560 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 54.5 MB. Free memory was 37.6 MB in the beginning and 37.5 MB in the end (delta: 32.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:44:44,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 749.61 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 31.0 MB in the beginning and 50.3 MB in the end (delta: -19.3 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. [2020-11-30 02:44:44,562 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.44 ms. Allocated memory is still 73.4 MB. Free memory was 50.3 MB in the beginning and 46.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 02:44:44,562 INFO L168 Benchmark]: Boogie Preprocessor took 72.88 ms. Allocated memory is still 73.4 MB. Free memory was 46.8 MB in the beginning and 43.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 02:44:44,563 INFO L168 Benchmark]: RCFGBuilder took 1525.33 ms. Allocated memory is still 73.4 MB. Free memory was 43.2 MB in the beginning and 30.0 MB in the end (delta: 13.1 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2020-11-30 02:44:44,563 INFO L168 Benchmark]: TraceAbstraction took 4857.22 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 29.7 MB in the beginning and 37.1 MB in the end (delta: -7.4 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2020-11-30 02:44:44,564 INFO L168 Benchmark]: Witness Printer took 77.21 ms. Allocated memory is still 88.1 MB. Free memory was 37.1 MB in the beginning and 32.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 02:44:44,568 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 54.5 MB. Free memory was 37.6 MB in the beginning and 37.5 MB in the end (delta: 32.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 749.61 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 31.0 MB in the beginning and 50.3 MB in the end (delta: -19.3 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 125.44 ms. Allocated memory is still 73.4 MB. Free memory was 50.3 MB in the beginning and 46.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.88 ms. Allocated memory is still 73.4 MB. Free memory was 46.8 MB in the beginning and 43.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1525.33 ms. Allocated memory is still 73.4 MB. Free memory was 43.2 MB in the beginning and 30.0 MB in the end (delta: 13.1 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4857.22 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 29.7 MB in the beginning and 37.1 MB in the end (delta: -7.4 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Witness Printer took 77.21 ms. Allocated memory is still 88.1 MB. Free memory was 37.1 MB in the beginning and 32.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 562]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L665] struct ldv_list_head mutexes = { &(mutexes), &(mutexes) }; VAL [mutexes={2147483647:0}] [L576] void *ptr = malloc(size); [L565] COND FALSE !(!cond) VAL [mutexes={2147483647:0}] [L578] return ptr; VAL [mutexes={2147483647:0}] [L682] struct mutex *m1 = ldv_successful_malloc(sizeof(struct mutex)); [L576] void *ptr = malloc(size); [L565] COND FALSE !(!cond) VAL [mutexes={2147483647:0}] [L578] return ptr; VAL [mutexes={2147483647:0}] [L683] struct mutex *m2 = ldv_successful_malloc(sizeof(struct mutex)); [L654] struct ldv_list_element *m; [L655] EXPR (s)->next [L655] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L655] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [mutexes={2147483647:0}] [L655] COND FALSE !(&m->list != (s)) VAL [mutexes={2147483647:0}] [L660] return 0; VAL [mutexes={2147483647:0}] [L669] COND FALSE !(ldv_is_in_set(m, &mutexes)) [L654] struct ldv_list_element *m; [L655] EXPR (s)->next [L655] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L655] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [mutexes={2147483647:0}] [L655] COND FALSE !(&m->list != (s)) VAL [mutexes={2147483647:0}] [L660] return 0; VAL [mutexes={2147483647:0}] [L636] COND TRUE !ldv_is_in_set(new, s) [L637] struct ldv_list_element *le; [L576] void *ptr = malloc(size); [L565] COND FALSE !(!cond) VAL [mutexes={2147483647:0}] [L578] return ptr; VAL [mutexes={2147483647:0}] [L638] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L639] le->e = new [L608] head->next [L596] next->prev = new [L597] new->next = next [L598] new->prev = prev [L599] prev->next = new VAL [mutexes={2147483647:0}] [L654] struct ldv_list_element *m; [L655] EXPR (s)->next [L655] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L655] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [mutexes={2147483647:0}] [L655] COND TRUE &m->list != (s) [L656] EXPR m->e VAL [mutexes={2147483647:0}] [L656] COND TRUE m->e == e [L657] return 1; VAL [mutexes={2147483647:0}] [L669] COND TRUE ldv_is_in_set(m, &mutexes) [L562] COND FALSE !(0) VAL [mutexes={2147483647:0}] [L562] __assert_fail ("0", "model/ldv.h", 3, __extension__ __PRETTY_FUNCTION__) VAL [mutexes={2147483647:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 98 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 288 SDtfs, 220 SDslu, 445 SDs, 0 SdLazy, 146 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 127 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 5026 SizeOfPredicates, 13 NumberOfNonLiveVariables, 254 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...