./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs --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 d327afb3910c77befa92b43f1fb2cc472e97afda ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs --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 d327afb3910c77befa92b43f1fb2cc472e97afda ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:56:31,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:56:31,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:56:31,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:56:31,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:56:31,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:56:31,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:56:31,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:56:31,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:56:31,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:56:31,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:56:31,922 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:56:31,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:56:31,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:56:31,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:56:31,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:56:31,929 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:56:31,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:56:31,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:56:31,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:56:31,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:56:31,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:56:31,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:56:31,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:56:31,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:56:31,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:56:31,949 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:56:31,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:56:31,951 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:56:31,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:56:31,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:56:31,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:56:31,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:56:31,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:56:31,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:56:31,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:56:31,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:56:31,960 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:56:31,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:56:31,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:56:31,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:56:31,964 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:56:31,993 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:56:31,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:56:31,994 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:56:31,995 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:56:31,995 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:56:31,995 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:56:31,996 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:56:31,996 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:56:31,996 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:56:31,996 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:56:31,997 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:56:31,997 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:56:31,997 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:56:31,998 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:56:31,998 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:56:31,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:56:31,999 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:56:31,999 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:56:32,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:56:32,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:56:32,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:56:32,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:56:32,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:56:32,001 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:56:32,001 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:56:32,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:56:32,002 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:56:32,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:56:32,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:56:32,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:56:32,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:56:32,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:56:32,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:56:32,004 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:56:32,004 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:56:32,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:56:32,005 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:56:32,005 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:56:32,005 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:56:32,005 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d327afb3910c77befa92b43f1fb2cc472e97afda [2021-10-16 02:56:32,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:56:32,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:56:32,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:56:32,389 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:56:32,391 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:56:32,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2021-10-16 02:56:32,491 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/data/bb22714d8/377052dc949c40abb75d984ba918984c/FLAGff6248ae5 [2021-10-16 02:56:33,085 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:56:33,086 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2021-10-16 02:56:33,094 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/data/bb22714d8/377052dc949c40abb75d984ba918984c/FLAGff6248ae5 [2021-10-16 02:56:33,477 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/data/bb22714d8/377052dc949c40abb75d984ba918984c [2021-10-16 02:56:33,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:56:33,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:56:33,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:56:33,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:56:33,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:56:33,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:56:33" (1/1) ... [2021-10-16 02:56:33,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@688651f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:56:33, skipping insertion in model container [2021-10-16 02:56:33,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:56:33" (1/1) ... [2021-10-16 02:56:33,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:56:33,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:56:33,749 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/sv-benchmarks/c/weaver/parallel-lamport.wvr.c[2922,2935] [2021-10-16 02:56:33,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:56:33,777 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) [2021-10-16 02:56:33,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@573ef242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:56:33, skipping insertion in model container [2021-10-16 02:56:33,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:56:33,779 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:56:33,781 INFO L168 Benchmark]: Toolchain (without parser) took 296.59 ms. Allocated memory is still 125.8 MB. Free memory was 97.0 MB in the beginning and 99.5 MB in the end (delta: -2.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:56:33,782 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 125.8 MB. Free memory was 79.6 MB in the beginning and 79.5 MB in the end (delta: 58.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:56:33,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.41 ms. Allocated memory is still 125.8 MB. Free memory was 96.8 MB in the beginning and 99.5 MB in the end (delta: -2.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:56:33,786 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 125.8 MB. Free memory was 79.6 MB in the beginning and 79.5 MB in the end (delta: 58.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 291.41 ms. Allocated memory is still 125.8 MB. Free memory was 96.8 MB in the beginning and 99.5 MB in the end (delta: -2.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 124]: 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 0.2.1-dev-5709675 [2021-10-16 02:56:36,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:56:36,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:56:36,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:56:36,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:56:36,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:56:36,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:56:36,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:56:36,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:56:36,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:56:36,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:56:36,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:56:36,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:56:36,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:56:36,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:56:36,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:56:36,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:56:36,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:56:36,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:56:36,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:56:36,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:56:36,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:56:36,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:56:36,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:56:36,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:56:36,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:56:36,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:56:36,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:56:36,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:56:36,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:56:36,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:56:36,421 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:56:36,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:56:36,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:56:36,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:56:36,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:56:36,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:56:36,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:56:36,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:56:36,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:56:36,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:56:36,430 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:56:36,462 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:56:36,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:56:36,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:56:36,464 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:56:36,464 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:56:36,464 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:56:36,464 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:56:36,464 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:56:36,465 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:56:36,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:56:36,466 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:56:36,466 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:56:36,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:56:36,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:56:36,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:56:36,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:56:36,467 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:56:36,467 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:56:36,468 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:56:36,468 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:56:36,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:56:36,468 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:56:36,469 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:56:36,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:56:36,469 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:56:36,469 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:56:36,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:56:36,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:56:36,470 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:56:36,470 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:56:36,471 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:56:36,471 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:56:36,471 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:56:36,471 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:56:36,471 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:56:36,472 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_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d327afb3910c77befa92b43f1fb2cc472e97afda [2021-10-16 02:56:37,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:56:37,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:56:37,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:56:37,047 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:56:37,048 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:56:37,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2021-10-16 02:56:37,154 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/data/bc0a60e88/7ea3f61995b64bdb9832cfae4a5d9f1c/FLAG16cb550c6 [2021-10-16 02:56:37,686 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:56:37,687 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2021-10-16 02:56:37,704 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/data/bc0a60e88/7ea3f61995b64bdb9832cfae4a5d9f1c/FLAG16cb550c6 [2021-10-16 02:56:38,040 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/data/bc0a60e88/7ea3f61995b64bdb9832cfae4a5d9f1c [2021-10-16 02:56:38,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:56:38,045 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:56:38,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:56:38,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:56:38,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:56:38,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:56:38" (1/1) ... [2021-10-16 02:56:38,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2970eba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:56:38, skipping insertion in model container [2021-10-16 02:56:38,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:56:38" (1/1) ... [2021-10-16 02:56:38,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:56:38,121 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:56:38,295 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/sv-benchmarks/c/weaver/parallel-lamport.wvr.c[2922,2935] [2021-10-16 02:56:38,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:56:38,341 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-16 02:56:38,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:56:38,404 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/sv-benchmarks/c/weaver/parallel-lamport.wvr.c[2922,2935] [2021-10-16 02:56:38,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:56:38,416 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:56:38,447 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/sv-benchmarks/c/weaver/parallel-lamport.wvr.c[2922,2935] [2021-10-16 02:56:38,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:56:38,468 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:56:38,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:56:38 WrapperNode [2021-10-16 02:56:38,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:56:38,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:56:38,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:56:38,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:56:38,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:56:38" (1/1) ... [2021-10-16 02:56:38,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:56:38" (1/1) ... [2021-10-16 02:56:38,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:56:38,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:56:38,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:56:38,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:56:38,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:56:38" (1/1) ... [2021-10-16 02:56:38,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:56:38" (1/1) ... [2021-10-16 02:56:38,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:56:38" (1/1) ... [2021-10-16 02:56:38,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:56:38" (1/1) ... [2021-10-16 02:56:38,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:56:38" (1/1) ... [2021-10-16 02:56:38,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:56:38" (1/1) ... [2021-10-16 02:56:38,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:56:38" (1/1) ... [2021-10-16 02:56:38,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:56:38,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:56:38,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:56:38,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:56:38,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:56:38" (1/1) ... [2021-10-16 02:56:38,595 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:56:38,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:56:38,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:56:38,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:56:38,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:56:38,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:56:38,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-16 02:56:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-16 02:56:38,694 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-16 02:56:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-16 02:56:38,695 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-16 02:56:38,695 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-16 02:56:38,695 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-16 02:56:38,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-16 02:56:38,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:56:38,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:56:38,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 02:56:38,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-16 02:56:38,698 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-16 02:56:39,366 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:56:39,370 INFO L299 CfgBuilder]: Removed 31 assume(true) statements. [2021-10-16 02:56:39,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:56:39 BoogieIcfgContainer [2021-10-16 02:56:39,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:56:39,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:56:39,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:56:39,396 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:56:39,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:56:38" (1/3) ... [2021-10-16 02:56:39,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45cc2490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:56:39, skipping insertion in model container [2021-10-16 02:56:39,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:56:38" (2/3) ... [2021-10-16 02:56:39,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45cc2490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:56:39, skipping insertion in model container [2021-10-16 02:56:39,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:56:39" (3/3) ... [2021-10-16 02:56:39,408 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-lamport.wvr.c [2021-10-16 02:56:39,414 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-16 02:56:39,415 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:56:39,415 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:56:39,415 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 02:56:39,517 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,519 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,520 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,520 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,520 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,521 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,521 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,528 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,528 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,528 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,529 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,529 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,529 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,530 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,530 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,530 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,530 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,531 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,531 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,531 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,532 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,532 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,532 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,532 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,533 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,533 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,534 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,534 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,534 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,535 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,535 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,537 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,538 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,538 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,538 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,538 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,539 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,539 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,540 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,541 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,541 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,541 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,548 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,548 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,549 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,549 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,551 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,551 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,551 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,552 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,552 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,552 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,552 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,553 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,553 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,553 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,554 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,554 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,565 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,566 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,566 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,566 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,567 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,567 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,567 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,567 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,568 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,568 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,568 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,568 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,569 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,569 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,570 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,570 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,570 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,570 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,571 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,571 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,571 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,572 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,572 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,572 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,572 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,573 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,573 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,573 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,574 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,574 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,574 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,574 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,575 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,575 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,576 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,576 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,577 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,577 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,577 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,577 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,579 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,580 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,580 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,580 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,580 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,581 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,584 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,584 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,585 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,585 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,585 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,585 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,586 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,586 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,587 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,602 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,603 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,603 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,603 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,603 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,604 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,604 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,608 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,608 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,609 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,609 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,609 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,609 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,615 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,615 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,616 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,616 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,616 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,619 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,619 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,619 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,620 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,620 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:56:39,637 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-16 02:56:39,723 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:56:39,731 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 02:56:39,734 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-16 02:56:39,773 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-16 02:56:39,787 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 201 places, 205 transitions, 434 flow [2021-10-16 02:56:39,795 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 201 places, 205 transitions, 434 flow [2021-10-16 02:56:39,796 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 201 places, 205 transitions, 434 flow [2021-10-16 02:56:39,929 INFO L129 PetriNetUnfolder]: 14/202 cut-off events. [2021-10-16 02:56:39,929 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-16 02:56:39,936 INFO L84 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 202 events. 14/202 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 206 event pairs, 0 based on Foata normal form. 0/187 useless extension candidates. Maximal degree in co-relation 163. Up to 2 conditions per place. [2021-10-16 02:56:39,945 INFO L116 LiptonReduction]: Number of co-enabled transitions 5124 [2021-10-16 02:56:59,177 INFO L131 LiptonReduction]: Checked pairs total: 13821 [2021-10-16 02:56:59,177 INFO L133 LiptonReduction]: Total number of compositions: 211 [2021-10-16 02:56:59,199 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 44 transitions, 112 flow [2021-10-16 02:56:59,290 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 793 states, 792 states have (on average 3.1035353535353534) internal successors, (2458), 792 states have internal predecessors, (2458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:56:59,295 INFO L276 IsEmpty]: Start isEmpty. Operand has 793 states, 792 states have (on average 3.1035353535353534) internal successors, (2458), 792 states have internal predecessors, (2458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:56:59,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-16 02:56:59,332 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:56:59,333 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:56:59,334 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-16 02:56:59,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:56:59,340 INFO L82 PathProgramCache]: Analyzing trace with hash -714339061, now seen corresponding path program 1 times [2021-10-16 02:56:59,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:56:59,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [170809225] [2021-10-16 02:56:59,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:56:59,368 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:56:59,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:56:59,372 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:56:59,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:56:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:56:59,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-16 02:56:59,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:56:59,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:56:59,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:56:59,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:56:59,738 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:56:59,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [170809225] [2021-10-16 02:56:59,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [170809225] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:56:59,739 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:56:59,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-16 02:56:59,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356504361] [2021-10-16 02:56:59,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 02:56:59,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:56:59,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 02:56:59,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:56:59,783 INFO L87 Difference]: Start difference. First operand has 793 states, 792 states have (on average 3.1035353535353534) internal successors, (2458), 792 states have internal predecessors, (2458), 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, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:56:59,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:56:59,847 INFO L93 Difference]: Finished difference Result 793 states and 2182 transitions. [2021-10-16 02:56:59,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 02:56:59,849 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 19 [2021-10-16 02:56:59,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:56:59,879 INFO L225 Difference]: With dead ends: 793 [2021-10-16 02:56:59,880 INFO L226 Difference]: Without dead ends: 793 [2021-10-16 02:56:59,881 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:56:59,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2021-10-16 02:56:59,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 793. [2021-10-16 02:56:59,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 793 states, 792 states have (on average 2.755050505050505) internal successors, (2182), 792 states have internal predecessors, (2182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:56:59,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 2182 transitions. [2021-10-16 02:56:59,998 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 2182 transitions. Word has length 19 [2021-10-16 02:56:59,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:56:59,998 INFO L470 AbstractCegarLoop]: Abstraction has 793 states and 2182 transitions. [2021-10-16 02:56:59,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:56:59,999 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 2182 transitions. [2021-10-16 02:57:00,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-16 02:57:00,004 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:57:00,004 INFO L512 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, 1, 1, 1, 1, 1, 1] [2021-10-16 02:57:00,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:57:00,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:57:00,226 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-16 02:57:00,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:57:00,227 INFO L82 PathProgramCache]: Analyzing trace with hash 2036569457, now seen corresponding path program 1 times [2021-10-16 02:57:00,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:57:00,228 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1816205457] [2021-10-16 02:57:00,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:57:00,228 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:57:00,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:57:00,235 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:57:00,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 02:57:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:57:00,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-16 02:57:00,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:57:00,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:57:00,827 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:57:01,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:57:01,019 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:57:01,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1816205457] [2021-10-16 02:57:01,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1816205457] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:57:01,022 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:57:01,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 02:57:01,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449425502] [2021-10-16 02:57:01,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:57:01,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:57:01,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:57:01,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:57:01,032 INFO L87 Difference]: Start difference. First operand 793 states and 2182 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:57:01,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:57:01,136 INFO L93 Difference]: Finished difference Result 794 states and 2183 transitions. [2021-10-16 02:57:01,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:57:01,138 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 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 35 [2021-10-16 02:57:01,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:57:01,151 INFO L225 Difference]: With dead ends: 794 [2021-10-16 02:57:01,151 INFO L226 Difference]: Without dead ends: 794 [2021-10-16 02:57:01,152 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:57:01,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2021-10-16 02:57:01,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 794. [2021-10-16 02:57:01,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 793 states have (on average 2.7528373266078185) internal successors, (2183), 793 states have internal predecessors, (2183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:57:01,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 2183 transitions. [2021-10-16 02:57:01,215 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 2183 transitions. Word has length 35 [2021-10-16 02:57:01,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:57:01,216 INFO L470 AbstractCegarLoop]: Abstraction has 794 states and 2183 transitions. [2021-10-16 02:57:01,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:57:01,216 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 2183 transitions. [2021-10-16 02:57:01,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-16 02:57:01,220 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:57:01,220 INFO L512 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, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:57:01,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-16 02:57:01,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:57:01,447 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-16 02:57:01,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:57:01,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1820990606, now seen corresponding path program 1 times [2021-10-16 02:57:01,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:57:01,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1829698006] [2021-10-16 02:57:01,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:57:01,450 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:57:01,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:57:01,451 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:57:01,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-16 02:57:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:57:01,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-16 02:57:01,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:57:03,685 INFO L354 Elim1Store]: treesize reduction 310, result has 4.0 percent of original size [2021-10-16 02:57:03,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 12 new quantified variables, introduced 28 case distinctions, treesize of input 229 treesize of output 87 [2021-10-16 02:57:03,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:57:03,931 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:57:06,603 INFO L354 Elim1Store]: treesize reduction 839, result has 11.4 percent of original size [2021-10-16 02:57:06,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 16 new quantified variables, introduced 66 case distinctions, treesize of input 340 treesize of output 202 [2021-10-16 03:00:17,205 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:00:17,205 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1829698006] [2021-10-16 03:00:17,206 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2021-10-16 03:00:17,206 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [590647127] [2021-10-16 03:00:17,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:00:17,207 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 03:00:17,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 03:00:17,211 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 03:00:17,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-10-16 03:00:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:00:18,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 38 conjunts are in the unsatisfiable core [2021-10-16 03:00:18,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:00:18,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:00:18,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:00:18,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:00:18,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:00:18,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:00:18,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:00:18,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2021-10-16 03:00:20,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:00:20,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:00:20,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:00:20,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:00:20,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:00:20,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:00:21,216 INFO L354 Elim1Store]: treesize reduction 923, result has 6.4 percent of original size [2021-10-16 03:00:21,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 13 case distinctions, treesize of input 81 treesize of output 101 [2021-10-16 03:00:26,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:00:26,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:00:26,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:00:26,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:00:26,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:00:26,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:03:33,392 WARN L207 SmtUtils]: Spent 3.12 m on a formula simplification. DAG size of input: 347 DAG size of output: 126 [2021-10-16 03:03:33,395 INFO L354 Elim1Store]: treesize reduction 1645, result has 21.1 percent of original size [2021-10-16 03:03:33,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 39 case distinctions, treesize of input 119 treesize of output 495 [2021-10-16 03:08:26,543 WARN L228 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-10-16 03:08:26,545 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") [2021-10-16 03:08:26,545 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22142507] [2021-10-16 03:08:26,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:08:26,545 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:08:26,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:08:26,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2021-10-16 03:08:26,546 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 03:08:26,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-16 03:08:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:08:26,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-16 03:08:26,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:08:26,951 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken [2021-10-16 03:08:26,951 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:08:26,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-10-16 03:08:26,951 ERROR L172 FreeRefinementEngine]: Strategy WALRUS failed to provide any proof altough trace is infeasible [2021-10-16 03:08:26,951 INFO L626 BasicCegarLoop]: Counterexample might be feasible [2021-10-16 03:08:26,957 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:08:26,962 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 03:08:26,962 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-16 03:08:26,962 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-16 03:08:26,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-16 03:08:27,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-16 03:08:27,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2021-10-16 03:08:27,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a32f9af-1151-4bf6-b04a-577a56ee7db5/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt [2021-10-16 03:08:27,567 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 03:08:27,567 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 03:08:27,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 03:08:27 BasicIcfg [2021-10-16 03:08:27,588 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 03:08:27,589 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 03:08:27,589 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 03:08:27,589 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 03:08:27,590 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:56:39" (3/4) ... [2021-10-16 03:08:27,593 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-16 03:08:27,593 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 03:08:27,594 INFO L168 Benchmark]: Toolchain (without parser) took 709548.41 ms. Allocated memory was 71.3 MB in the beginning and 109.1 MB in the end (delta: 37.7 MB). Free memory was 37.2 MB in the beginning and 56.6 MB in the end (delta: -19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:08:27,595 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 71.3 MB. Free memory is still 53.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:08:27,595 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.73 ms. Allocated memory is still 71.3 MB. Free memory was 37.0 MB in the beginning and 51.9 MB in the end (delta: -14.9 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2021-10-16 03:08:27,596 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.60 ms. Allocated memory is still 71.3 MB. Free memory was 51.9 MB in the beginning and 49.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:08:27,596 INFO L168 Benchmark]: Boogie Preprocessor took 44.26 ms. Allocated memory is still 71.3 MB. Free memory was 49.6 MB in the beginning and 48.0 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:08:27,597 INFO L168 Benchmark]: RCFGBuilder took 809.46 ms. Allocated memory is still 71.3 MB. Free memory was 48.0 MB in the beginning and 31.4 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-16 03:08:27,597 INFO L168 Benchmark]: TraceAbstraction took 708198.64 ms. Allocated memory was 71.3 MB in the beginning and 109.1 MB in the end (delta: 37.7 MB). Free memory was 53.8 MB in the beginning and 56.6 MB in the end (delta: -2.8 MB). Peak memory consumption was 33.3 MB. Max. memory is 16.1 GB. [2021-10-16 03:08:27,598 INFO L168 Benchmark]: Witness Printer took 3.87 ms. Allocated memory is still 109.1 MB. Free memory is still 56.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:08:27,609 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 71.3 MB. Free memory is still 53.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 421.73 ms. Allocated memory is still 71.3 MB. Free memory was 37.0 MB in the beginning and 51.9 MB in the end (delta: -14.9 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.60 ms. Allocated memory is still 71.3 MB. Free memory was 51.9 MB in the beginning and 49.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.26 ms. Allocated memory is still 71.3 MB. Free memory was 49.6 MB in the beginning and 48.0 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 809.46 ms. Allocated memory is still 71.3 MB. Free memory was 48.0 MB in the beginning and 31.4 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 708198.64 ms. Allocated memory was 71.3 MB in the beginning and 109.1 MB in the end (delta: 37.7 MB). Free memory was 53.8 MB in the beginning and 56.6 MB in the end (delta: -2.8 MB). Peak memory consumption was 33.3 MB. Max. memory is 16.1 GB. * Witness Printer took 3.87 ms. Allocated memory is still 109.1 MB. Free memory is still 56.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19382.4ms, 201 PlacesBefore, 49 PlacesAfterwards, 205 TransitionsBefore, 44 TransitionsAfterwards, 5124 CoEnabledTransitionPairs, 10 FixpointIterations, 97 TrivialSequentialCompositions, 69 ConcurrentSequentialCompositions, 14 TrivialYvCompositions, 22 ConcurrentYvCompositions, 9 ChoiceCompositions, 211 TotalNumberOfCompositions, 13821 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 9266, positive: 8889, positive conditional: 0, positive unconditional: 8889, negative: 377, negative conditional: 0, negative unconditional: 377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4313, positive: 4236, positive conditional: 0, positive unconditional: 4236, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4313, positive: 4204, positive conditional: 0, positive unconditional: 4204, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 109, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 706, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 681, negative conditional: 0, negative unconditional: 681, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9266, positive: 4653, positive conditional: 0, positive unconditional: 4653, negative: 300, negative conditional: 0, negative unconditional: 300, unknown: 4313, unknown conditional: 0, unknown unconditional: 4313] , Statistics on independence cache: Total cache size (in pairs): 427, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 115]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L41] 0 _Bool e1, e2; [L42] 0 int n1, n2, tmp1, tmp2, i, j, i1, i2, n; [L43] 0 int* f; [L86] 0 pthread_t t1, t2, t3; [L89] 0 tmp1 = __VERIFIER_nondet_int() [L90] 0 tmp2 = __VERIFIER_nondet_int() [L91] 0 i = __VERIFIER_nondet_int() [L92] 0 j = __VERIFIER_nondet_int() [L93] 0 i1 = __VERIFIER_nondet_int() [L94] 0 i2 = __VERIFIER_nondet_int() [L95] 0 n = __VERIFIER_nondet_int() [L38] COND FALSE 0 !(!cond) [L38] COND TRUE 0 !cond [L124] 0 int* arr = (int*)malloc(sizeof(int) * (size_t)size); [L125] 0 int i = 0; [L125] COND TRUE 0 i < size [L126] 0 arr[i] = __VERIFIER_nondet_int() [L125] 0 i++ [L128] 0 return arr; [L96] 0 f = create_fresh_int_array(n) [L38] COND TRUE 0 !cond [L38] COND FALSE 0 !(!cond) [L102] 0 e1 = 0 [L103] 0 e2 = 0 [L104] 0 n1 = 0 [L105] 0 n2 = 0 [L107] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) [L48] 1 e1 = 1 [L49] 1 tmp1 = n2 [L50] 1 n1 = ( tmp1 + 1 ) [L51] 1 e1 = 0 [L38] COND FALSE 1 !(!cond) [L38] COND TRUE 1 !cond [L54] 1 i1 = i [L55] EXPR 1 f[i1] [L55] 1 i = f[i1] [L38] COND FALSE 1 !(!cond) [L57] 1 n1 = 0 [L59] 1 return 0; [L108] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) [L63] 2 e2 = 1 [L64] 2 tmp2 = n1 [L65] 2 n2 = ( tmp2 + 1 ) [L66] 2 e2 = 0 [L109] FCALL, FORK 0 pthread_create(&t3, 0, thread3, 0) [L110] 0 \read(t1) [L38] COND TRUE 2 !cond [L38] COND FALSE 2 !(!cond) [L69] 2 i2 = i [L110] FCALL, JOIN 1 pthread_join(t1, 0) [L70] EXPR 2 f[i2] [L70] 2 i = f[i2] [L38] COND FALSE 2 !(!cond) [L72] 2 n2 = 0 [L74] 2 return 0; [L78] EXPR 3 f[j] [L78] 3 j = f[j] [L38] COND FALSE 3 !(!cond) [L80] EXPR 3 f[j] [L80] 3 j = f[j] [L82] 3 return 0; [L111] 0 \read(t2) [L111] FCALL, JOIN 2 pthread_join(t2, 0) [L112] 0 \read(t3) [L112] FCALL, JOIN 3 pthread_join(t3, 0) [L38] COND FALSE 0 !(!cond) [L115] 0 reach_error() - UnprovableResult [Line: 109]: 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: 107]: 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: 108]: 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, 263 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 707857.4ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 49.8ms, AutomataDifference: 258.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19556.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 71 SDtfs, 0 SDslu, 60 SDs, 0 SdLazy, 11 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 39.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 104 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=794occurred in iteration=2, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 165.5ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 79.1ms SsaConstructionTime, 261.1ms SatisfiabilityAnalysisTime, 704.7ms InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 119 SizeOfPredicates, 10 NumberOfNonLiveVariables, 223 ConjunctsInSsa, 11 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 Received shutdown request...