./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/ofuf_3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw --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 1391bee0bb5d7f50dd16d284fbfd81fef460a2ec12522be9e9c3c85276cf79aa ............................................................................................................................................ 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_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw --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 1391bee0bb5d7f50dd16d284fbfd81fef460a2ec12522be9e9c3c85276cf79aa ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 05:15:53,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:15:53,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:15:54,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:15:54,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:15:54,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:15:54,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:15:54,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:15:54,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:15:54,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:15:54,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:15:54,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:15:54,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:15:54,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:15:54,046 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:15:54,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:15:54,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:15:54,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:15:54,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:15:54,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:15:54,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:15:54,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:15:54,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:15:54,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:15:54,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:15:54,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:15:54,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:15:54,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:15:54,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:15:54,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:15:54,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:15:54,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:15:54,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:15:54,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:15:54,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:15:54,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:15:54,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:15:54,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:15:54,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:15:54,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:15:54,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:15:54,078 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-20 05:15:54,104 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:15:54,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:15:54,105 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:15:54,105 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:15:54,105 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:15:54,106 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:15:54,106 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-20 05:15:54,106 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:15:54,106 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:15:54,107 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-20 05:15:54,107 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-20 05:15:54,107 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:15:54,107 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-20 05:15:54,108 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-20 05:15:54,108 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-20 05:15:54,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:15:54,109 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:15:54,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 05:15:54,109 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:15:54,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:15:54,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 05:15:54,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:15:54,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 05:15:54,111 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 05:15:54,111 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:15:54,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 05:15:54,111 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:15:54,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 05:15:54,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:15:54,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:15:54,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:15:54,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:15:54,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:15:54,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 05:15:54,114 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-20 05:15:54,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 05:15:54,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 05:15:54,114 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:15:54,114 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:15:54,114 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_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1391bee0bb5d7f50dd16d284fbfd81fef460a2ec12522be9e9c3c85276cf79aa [2021-10-20 05:15:54,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:15:54,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:15:54,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:15:54,373 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:15:54,373 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:15:54,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/loop-industry-pattern/ofuf_3.c [2021-10-20 05:15:54,470 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/data/8832dac05/fc97220192d04bdd9bcb919e45b51242/FLAG81675e577 [2021-10-20 05:15:55,009 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:15:55,010 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/sv-benchmarks/c/loop-industry-pattern/ofuf_3.c [2021-10-20 05:15:55,020 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/data/8832dac05/fc97220192d04bdd9bcb919e45b51242/FLAG81675e577 [2021-10-20 05:15:55,345 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/data/8832dac05/fc97220192d04bdd9bcb919e45b51242 [2021-10-20 05:15:55,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:15:55,350 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:15:55,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:15:55,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:15:55,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:15:55,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:15:55" (1/1) ... [2021-10-20 05:15:55,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e94424d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:15:55, skipping insertion in model container [2021-10-20 05:15:55,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:15:55" (1/1) ... [2021-10-20 05:15:55,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:15:55,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:15:55,661 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_5ba0ab7c-839b-402b-9961-95fbe104b2ff/sv-benchmarks/c/loop-industry-pattern/ofuf_3.c[11322,11335] [2021-10-20 05:15:55,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:15:55,676 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) [2021-10-20 05:15:55,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e4e9358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:15:55, skipping insertion in model container [2021-10-20 05:15:55,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:15:55,677 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-20 05:15:55,680 INFO L168 Benchmark]: Toolchain (without parser) took 327.90 ms. Allocated memory is still 104.9 MB. Free memory was 72.6 MB in the beginning and 78.0 MB in the end (delta: -5.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-20 05:15:55,680 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 104.9 MB. Free memory is still 59.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:15:55,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.53 ms. Allocated memory is still 104.9 MB. Free memory was 72.6 MB in the beginning and 78.0 MB in the end (delta: -5.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-20 05:15:55,683 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 104.9 MB. Free memory is still 59.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 325.53 ms. Allocated memory is still 104.9 MB. Free memory was 72.6 MB in the beginning and 78.0 MB in the end (delta: -5.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 404]: 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-e943c26 [2021-10-20 05:15:58,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:15:58,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:15:58,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:15:58,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:15:58,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:15:58,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:15:58,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:15:58,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:15:58,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:15:58,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:15:58,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:15:58,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:15:58,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:15:58,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:15:58,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:15:58,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:15:58,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:15:58,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:15:58,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:15:58,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:15:58,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:15:58,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:15:58,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:15:58,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:15:58,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:15:58,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:15:58,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:15:58,126 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:15:58,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:15:58,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:15:58,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:15:58,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:15:58,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:15:58,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:15:58,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:15:58,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:15:58,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:15:58,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:15:58,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:15:58,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:15:58,142 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-20 05:15:58,197 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:15:58,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:15:58,198 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:15:58,199 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:15:58,199 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:15:58,199 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:15:58,200 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:15:58,200 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:15:58,200 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:15:58,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:15:58,203 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:15:58,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:15:58,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:15:58,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 05:15:58,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:15:58,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 05:15:58,205 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 05:15:58,205 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-20 05:15:58,206 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-20 05:15:58,206 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:15:58,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 05:15:58,206 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:15:58,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 05:15:58,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:15:58,207 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 05:15:58,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:15:58,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:15:58,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:15:58,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:15:58,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 05:15:58,209 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-20 05:15:58,210 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-20 05:15:58,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 05:15:58,210 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:15:58,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:15:58,211 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_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1391bee0bb5d7f50dd16d284fbfd81fef460a2ec12522be9e9c3c85276cf79aa [2021-10-20 05:15:58,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:15:58,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:15:58,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:15:58,636 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:15:58,637 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:15:58,638 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/loop-industry-pattern/ofuf_3.c [2021-10-20 05:15:58,711 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/data/3f84bfccc/9a8669b1610b47f8a519576b9a5dae90/FLAG46111cc2f [2021-10-20 05:15:59,348 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:15:59,349 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/sv-benchmarks/c/loop-industry-pattern/ofuf_3.c [2021-10-20 05:15:59,362 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/data/3f84bfccc/9a8669b1610b47f8a519576b9a5dae90/FLAG46111cc2f [2021-10-20 05:15:59,646 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/data/3f84bfccc/9a8669b1610b47f8a519576b9a5dae90 [2021-10-20 05:15:59,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:15:59,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:15:59,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:15:59,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:15:59,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:15:59,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:15:59" (1/1) ... [2021-10-20 05:15:59,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a2fa031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:15:59, skipping insertion in model container [2021-10-20 05:15:59,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:15:59" (1/1) ... [2021-10-20 05:15:59,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:15:59,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:16:00,162 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_5ba0ab7c-839b-402b-9961-95fbe104b2ff/sv-benchmarks/c/loop-industry-pattern/ofuf_3.c[11322,11335] [2021-10-20 05:16:00,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:16:00,182 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-20 05:16:00,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:16:00,310 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_5ba0ab7c-839b-402b-9961-95fbe104b2ff/sv-benchmarks/c/loop-industry-pattern/ofuf_3.c[11322,11335] [2021-10-20 05:16:00,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:16:00,328 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 05:16:00,431 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_5ba0ab7c-839b-402b-9961-95fbe104b2ff/sv-benchmarks/c/loop-industry-pattern/ofuf_3.c[11322,11335] [2021-10-20 05:16:00,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:16:00,458 INFO L208 MainTranslator]: Completed translation [2021-10-20 05:16:00,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:16:00 WrapperNode [2021-10-20 05:16:00,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:16:00,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 05:16:00,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 05:16:00,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 05:16:00,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:16:00" (1/1) ... [2021-10-20 05:16:00,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:16:00" (1/1) ... [2021-10-20 05:16:00,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 05:16:00,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 05:16:00,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 05:16:00,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 05:16:00,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:16:00" (1/1) ... [2021-10-20 05:16:00,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:16:00" (1/1) ... [2021-10-20 05:16:00,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:16:00" (1/1) ... [2021-10-20 05:16:00,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:16:00" (1/1) ... [2021-10-20 05:16:00,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:16:00" (1/1) ... [2021-10-20 05:16:00,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:16:00" (1/1) ... [2021-10-20 05:16:00,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:16:00" (1/1) ... [2021-10-20 05:16:00,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 05:16:00,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 05:16:00,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 05:16:00,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 05:16:00,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:16:00" (1/1) ... [2021-10-20 05:16:00,755 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:16:00,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:16:00,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 05:16:00,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 05:16:00,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-20 05:16:00,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-10-20 05:16:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-10-20 05:16:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-20 05:16:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-20 05:16:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-20 05:16:00,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 05:16:00,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-20 05:16:00,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-10-20 05:16:00,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-20 05:16:00,829 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-10-20 05:16:00,830 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2021-10-20 05:16:00,830 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2021-10-20 05:16:00,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-20 05:16:00,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 05:16:00,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 05:16:00,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-10-20 05:16:00,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-20 05:16:00,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-20 05:16:02,296 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 05:16:02,296 INFO L299 CfgBuilder]: Removed 38 assume(true) statements. [2021-10-20 05:16:02,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:16:02 BoogieIcfgContainer [2021-10-20 05:16:02,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-20 05:16:02,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-20 05:16:02,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-20 05:16:02,303 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-20 05:16:02,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 05:15:59" (1/3) ... [2021-10-20 05:16:02,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@211f8556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:16:02, skipping insertion in model container [2021-10-20 05:16:02,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:16:00" (2/3) ... [2021-10-20 05:16:02,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@211f8556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:16:02, skipping insertion in model container [2021-10-20 05:16:02,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:16:02" (3/3) ... [2021-10-20 05:16:02,306 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_3.c [2021-10-20 05:16:02,311 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-20 05:16:02,311 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-20 05:16:02,356 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-20 05:16:02,362 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-20 05:16:02,362 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-20 05:16:02,381 INFO L276 IsEmpty]: Start isEmpty. Operand has 176 states, 171 states have (on average 1.6491228070175439) internal successors, (282), 172 states have internal predecessors, (282), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-20 05:16:02,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-20 05:16:02,389 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:16:02,389 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:16:02,390 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:16:02,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:16:02,395 INFO L82 PathProgramCache]: Analyzing trace with hash 437048265, now seen corresponding path program 1 times [2021-10-20 05:16:02,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:16:02,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1931018594] [2021-10-20 05:16:02,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:16:02,413 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:16:02,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:16:02,420 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:16:02,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-20 05:16:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:16:02,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-20 05:16:02,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:16:02,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:16:02,867 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:16:02,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:16:02,940 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:16:02,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1931018594] [2021-10-20 05:16:02,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1931018594] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:16:02,941 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:16:02,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-20 05:16:02,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082875911] [2021-10-20 05:16:02,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-20 05:16:02,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:16:02,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-20 05:16:02,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 05:16:02,984 INFO L87 Difference]: Start difference. First operand has 176 states, 171 states have (on average 1.6491228070175439) internal successors, (282), 172 states have internal predecessors, (282), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:16:03,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:16:03,044 INFO L93 Difference]: Finished difference Result 347 states and 566 transitions. [2021-10-20 05:16:03,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 05:16:03,045 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-20 05:16:03,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:16:03,055 INFO L225 Difference]: With dead ends: 347 [2021-10-20 05:16:03,056 INFO L226 Difference]: Without dead ends: 172 [2021-10-20 05:16:03,060 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 [2021-10-20 05:16:03,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-10-20 05:16:03,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2021-10-20 05:16:03,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 168 states have (on average 1.5773809523809523) internal successors, (265), 169 states have internal predecessors, (265), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-20 05:16:03,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 268 transitions. [2021-10-20 05:16:03,108 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 268 transitions. Word has length 19 [2021-10-20 05:16:03,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:16:03,108 INFO L470 AbstractCegarLoop]: Abstraction has 172 states and 268 transitions. [2021-10-20 05:16:03,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:16:03,109 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 268 transitions. [2021-10-20 05:16:03,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-20 05:16:03,111 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:16:03,111 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:16:03,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-20 05:16:03,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:16:03,324 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:16:03,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:16:03,326 INFO L82 PathProgramCache]: Analyzing trace with hash -794654387, now seen corresponding path program 1 times [2021-10-20 05:16:03,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:16:03,327 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [350678880] [2021-10-20 05:16:03,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:16:03,327 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:16:03,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:16:03,329 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:16:03,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-20 05:16:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:16:03,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 05:16:03,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:16:03,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:16:03,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:16:03,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:16:03,781 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:16:03,782 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [350678880] [2021-10-20 05:16:03,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [350678880] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:16:03,782 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:16:03,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-20 05:16:03,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466306612] [2021-10-20 05:16:03,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 05:16:03,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:16:03,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 05:16:03,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:16:03,786 INFO L87 Difference]: Start difference. First operand 172 states and 268 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:16:03,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:16:03,985 INFO L93 Difference]: Finished difference Result 632 states and 1003 transitions. [2021-10-20 05:16:04,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-20 05:16:04,006 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-20 05:16:04,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:16:04,012 INFO L225 Difference]: With dead ends: 632 [2021-10-20 05:16:04,012 INFO L226 Difference]: Without dead ends: 465 [2021-10-20 05:16:04,014 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:16:04,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2021-10-20 05:16:04,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 175. [2021-10-20 05:16:04,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 171 states have (on average 1.567251461988304) internal successors, (268), 172 states have internal predecessors, (268), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-20 05:16:04,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 271 transitions. [2021-10-20 05:16:04,060 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 271 transitions. Word has length 19 [2021-10-20 05:16:04,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:16:04,061 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 271 transitions. [2021-10-20 05:16:04,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:16:04,061 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 271 transitions. [2021-10-20 05:16:04,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-20 05:16:04,062 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:16:04,062 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:16:04,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-20 05:16:04,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:16:04,263 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:16:04,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:16:04,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1467108783, now seen corresponding path program 1 times [2021-10-20 05:16:04,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:16:04,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [929998520] [2021-10-20 05:16:04,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:16:04,265 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:16:04,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:16:04,267 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:16:04,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-20 05:16:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:16:04,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-20 05:16:04,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:16:04,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:16:04,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:16:04,780 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:16:04,780 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:16:04,780 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [929998520] [2021-10-20 05:16:04,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [929998520] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 05:16:04,781 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1205172563] [2021-10-20 05:16:04,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:16:04,781 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-20 05:16:04,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/cvc4 [2021-10-20 05:16:04,783 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-20 05:16:04,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-10-20 05:16:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:16:05,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-20 05:16:05,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:16:05,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-20 05:16:05,116 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:16:05,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-20 05:16:05,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1205172563] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:16:05,217 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-20 05:16:05,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5] total 12 [2021-10-20 05:16:05,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69222251] [2021-10-20 05:16:05,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-20 05:16:05,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:16:05,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-20 05:16:05,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-10-20 05:16:05,219 INFO L87 Difference]: Start difference. First operand 175 states and 271 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:16:05,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:16:05,328 INFO L93 Difference]: Finished difference Result 250 states and 363 transitions. [2021-10-20 05:16:05,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-20 05:16:05,329 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-20 05:16:05,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:16:05,332 INFO L225 Difference]: With dead ends: 250 [2021-10-20 05:16:05,333 INFO L226 Difference]: Without dead ends: 227 [2021-10-20 05:16:05,334 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 132.1ms TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-10-20 05:16:05,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-10-20 05:16:05,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 207. [2021-10-20 05:16:05,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 200 states have (on average 1.52) internal successors, (304), 200 states have internal predecessors, (304), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-20 05:16:05,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 311 transitions. [2021-10-20 05:16:05,352 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 311 transitions. Word has length 23 [2021-10-20 05:16:05,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:16:05,352 INFO L470 AbstractCegarLoop]: Abstraction has 207 states and 311 transitions. [2021-10-20 05:16:05,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:16:05,352 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 311 transitions. [2021-10-20 05:16:05,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-20 05:16:05,355 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:16:05,355 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:16:05,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2021-10-20 05:16:05,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-20 05:16:05,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:16:05,768 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:16:05,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:16:05,768 INFO L82 PathProgramCache]: Analyzing trace with hash -593865932, now seen corresponding path program 1 times [2021-10-20 05:16:05,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:16:05,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [531005437] [2021-10-20 05:16:05,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:16:05,769 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:16:05,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:16:05,770 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:16:05,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-20 05:16:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:16:06,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-20 05:16:06,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:16:06,191 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-20 05:16:06,191 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:16:06,314 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:16:06,315 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:16:06,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [531005437] [2021-10-20 05:16:06,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [531005437] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 05:16:06,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [406800011] [2021-10-20 05:16:06,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:16:06,316 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-20 05:16:06,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/cvc4 [2021-10-20 05:16:06,320 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-20 05:16:06,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2021-10-20 05:16:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:16:06,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 05:16:06,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:16:06,748 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-20 05:16:06,749 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:16:06,876 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-20 05:16:06,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [406800011] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-20 05:16:06,876 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-10-20 05:16:06,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5, 3] total 10 [2021-10-20 05:16:06,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230952913] [2021-10-20 05:16:06,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 05:16:06,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:16:06,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 05:16:06,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-20 05:16:06,879 INFO L87 Difference]: Start difference. First operand 207 states and 311 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-20 05:16:06,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:16:06,930 INFO L93 Difference]: Finished difference Result 335 states and 497 transitions. [2021-10-20 05:16:06,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 05:16:06,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2021-10-20 05:16:06,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:16:06,934 INFO L225 Difference]: With dead ends: 335 [2021-10-20 05:16:06,934 INFO L226 Difference]: Without dead ends: 275 [2021-10-20 05:16:06,935 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 56.4ms TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-20 05:16:06,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2021-10-20 05:16:06,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 207. [2021-10-20 05:16:06,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 200 states have (on average 1.515) internal successors, (303), 200 states have internal predecessors, (303), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-20 05:16:06,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 310 transitions. [2021-10-20 05:16:06,951 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 310 transitions. Word has length 29 [2021-10-20 05:16:06,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:16:06,951 INFO L470 AbstractCegarLoop]: Abstraction has 207 states and 310 transitions. [2021-10-20 05:16:06,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-20 05:16:06,952 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 310 transitions. [2021-10-20 05:16:06,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-20 05:16:06,953 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:16:06,954 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:16:06,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-20 05:16:07,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2021-10-20 05:16:07,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt [2021-10-20 05:16:07,367 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:16:07,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:16:07,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1584716794, now seen corresponding path program 1 times [2021-10-20 05:16:07,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:16:07,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1677083768] [2021-10-20 05:16:07,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:16:07,369 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:16:07,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:16:07,370 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:16:07,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-20 05:16:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:16:07,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-20 05:16:07,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:16:07,785 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-20 05:16:07,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:16:07,893 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:16:07,893 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:16:07,893 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1677083768] [2021-10-20 05:16:07,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1677083768] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 05:16:07,893 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [680997554] [2021-10-20 05:16:07,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:16:07,894 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-20 05:16:07,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/cvc4 [2021-10-20 05:16:07,900 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-20 05:16:07,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-10-20 05:16:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:16:08,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 05:16:08,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:16:08,358 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-20 05:16:08,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:16:08,439 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-20 05:16:08,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [680997554] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-20 05:16:08,440 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-10-20 05:16:08,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5, 3] total 10 [2021-10-20 05:16:08,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073396222] [2021-10-20 05:16:08,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 05:16:08,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:16:08,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 05:16:08,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-20 05:16:08,442 INFO L87 Difference]: Start difference. First operand 207 states and 310 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-20 05:16:08,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:16:08,502 INFO L93 Difference]: Finished difference Result 265 states and 384 transitions. [2021-10-20 05:16:08,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 05:16:08,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2021-10-20 05:16:08,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:16:08,506 INFO L225 Difference]: With dead ends: 265 [2021-10-20 05:16:08,506 INFO L226 Difference]: Without dead ends: 211 [2021-10-20 05:16:08,507 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 58.9ms TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-20 05:16:08,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2021-10-20 05:16:08,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 208. [2021-10-20 05:16:08,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 201 states have (on average 1.5124378109452736) internal successors, (304), 201 states have internal predecessors, (304), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-20 05:16:08,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 311 transitions. [2021-10-20 05:16:08,520 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 311 transitions. Word has length 30 [2021-10-20 05:16:08,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:16:08,521 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 311 transitions. [2021-10-20 05:16:08,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-20 05:16:08,521 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 311 transitions. [2021-10-20 05:16:08,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-20 05:16:08,523 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:16:08,523 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2021-10-20 05:16:08,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-10-20 05:16:08,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-20 05:16:08,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:16:08,927 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:16:08,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:16:08,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1821622445, now seen corresponding path program 1 times [2021-10-20 05:16:08,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:16:08,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [432219825] [2021-10-20 05:16:08,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:16:08,928 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:16:08,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:16:08,930 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:16:08,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-20 05:16:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:16:09,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-20 05:16:09,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:16:09,411 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-20 05:16:09,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:16:09,523 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-20 05:16:09,524 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:16:09,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [432219825] [2021-10-20 05:16:09,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [432219825] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 05:16:09,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [606258268] [2021-10-20 05:16:09,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:16:09,525 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-20 05:16:09,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/cvc4 [2021-10-20 05:16:09,526 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-20 05:16:09,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-10-20 05:16:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:16:10,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-20 05:16:10,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:16:10,114 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-20 05:16:10,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:16:10,228 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-20 05:16:10,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [606258268] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 05:16:10,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837355527] [2021-10-20 05:16:10,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:16:10,228 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 05:16:10,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:16:10,235 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-20 05:16:10,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-20 05:16:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:16:10,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-20 05:16:10,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:16:10,724 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-20 05:16:10,724 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:16:10,820 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-20 05:16:10,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [837355527] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:16:10,821 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-10-20 05:16:10,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5, 5, 5] total 10 [2021-10-20 05:16:10,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711594678] [2021-10-20 05:16:10,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 05:16:10,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:16:10,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 05:16:10,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-20 05:16:10,823 INFO L87 Difference]: Start difference. First operand 208 states and 311 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-20 05:16:10,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:16:10,837 INFO L93 Difference]: Finished difference Result 229 states and 335 transitions. [2021-10-20 05:16:10,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 05:16:10,838 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2021-10-20 05:16:10,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:16:10,838 INFO L225 Difference]: With dead ends: 229 [2021-10-20 05:16:10,838 INFO L226 Difference]: Without dead ends: 0 [2021-10-20 05:16:10,839 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 48.7ms TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-20 05:16:10,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-20 05:16:10,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-20 05:16:10,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-10-20 05:16:10,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-20 05:16:10,840 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2021-10-20 05:16:10,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:16:10,841 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-20 05:16:10,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-20 05:16:10,841 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-20 05:16:10,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-20 05:16:10,843 INFO L764 garLoopResultBuilder]: Registering result SAFE for location Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 05:16:10,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-10-20 05:16:11,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-10-20 05:16:11,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-20 05:16:11,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:16:11,459 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-20 05:16:11,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,545 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,545 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:16:11,686 INFO L857 garLoopResultBuilder]: For program point L461(lines 461 464) no Hoare annotation was computed. [2021-10-20 05:16:11,687 INFO L857 garLoopResultBuilder]: For program point L11(lines 11 14) no Hoare annotation was computed. [2021-10-20 05:16:11,687 INFO L853 garLoopResultBuilder]: At program point L461-2(lines 459 466) the Hoare annotation is: (and (or (= (_ bv2 32) |Id_MCDC_95_#in~Id_MCDC_93|) (not (= (_ bv2 32) Id_MCDC_95_~Id_MCDC_93))) (= Id_MCDC_95___VERIFIER_assert_~Id_MCDC_103 (_ bv1 32)) (or (not (= (_ bv4 32) |Id_MCDC_95_#in~Id_MCDC_93|)) (= (_ bv4 32) Id_MCDC_95_~Id_MCDC_93))) [2021-10-20 05:16:11,687 INFO L857 garLoopResultBuilder]: For program point L11-2(lines 11 14) no Hoare annotation was computed. [2021-10-20 05:16:11,687 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 295) no Hoare annotation was computed. [2021-10-20 05:16:11,687 INFO L857 garLoopResultBuilder]: For program point L255(lines 255 269) no Hoare annotation was computed. [2021-10-20 05:16:11,687 INFO L857 garLoopResultBuilder]: For program point L288-2(lines 288 295) no Hoare annotation was computed. [2021-10-20 05:16:11,687 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 287) no Hoare annotation was computed. [2021-10-20 05:16:11,687 INFO L860 garLoopResultBuilder]: At program point Id_MCDC_95ENTRY(lines 280 299) the Hoare annotation is: true [2021-10-20 05:16:11,687 INFO L857 garLoopResultBuilder]: For program point L463(line 463) no Hoare annotation was computed. [2021-10-20 05:16:11,688 INFO L857 garLoopResultBuilder]: For program point Id_MCDC_95EXIT(lines 280 299) no Hoare annotation was computed. [2021-10-20 05:16:11,688 INFO L857 garLoopResultBuilder]: For program point L9(lines 9 15) no Hoare annotation was computed. [2021-10-20 05:16:11,688 INFO L857 garLoopResultBuilder]: For program point Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2021-10-20 05:16:11,688 INFO L857 garLoopResultBuilder]: For program point L9-1(lines 9 15) no Hoare annotation was computed. [2021-10-20 05:16:11,688 INFO L857 garLoopResultBuilder]: For program point L261(lines 261 269) no Hoare annotation was computed. [2021-10-20 05:16:11,688 INFO L853 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: (and (or (not (= (_ bv4 32) |Id_MCDC_95_#in~Id_MCDC_93|)) (= (_ bv4 32) Id_MCDC_95_~Id_MCDC_93)) (not (= (_ bv2 32) Id_MCDC_95_~Id_MCDC_93))) [2021-10-20 05:16:11,688 INFO L857 garLoopResultBuilder]: For program point L290-1(line 290) no Hoare annotation was computed. [2021-10-20 05:16:11,688 INFO L853 garLoopResultBuilder]: At program point L278(lines 249 279) the Hoare annotation is: (or (= (_ bv2 32) |Id_MCDC_95_#in~Id_MCDC_93|) (not (= (_ bv2 32) Id_MCDC_95_~Id_MCDC_93))) [2021-10-20 05:16:11,689 INFO L857 garLoopResultBuilder]: For program point L270-1(lines 250 279) no Hoare annotation was computed. [2021-10-20 05:16:11,689 INFO L857 garLoopResultBuilder]: For program point L270-2(lines 270 277) no Hoare annotation was computed. [2021-10-20 05:16:11,689 INFO L857 garLoopResultBuilder]: For program point Id_MCDC_95FINAL(lines 280 299) no Hoare annotation was computed. [2021-10-20 05:16:11,689 INFO L857 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2021-10-20 05:16:11,689 INFO L857 garLoopResultBuilder]: For program point L234-2(line 234) no Hoare annotation was computed. [2021-10-20 05:16:11,689 INFO L857 garLoopResultBuilder]: For program point L234-3(line 234) no Hoare annotation was computed. [2021-10-20 05:16:11,689 INFO L857 garLoopResultBuilder]: For program point L234-5(lines 234 246) no Hoare annotation was computed. [2021-10-20 05:16:11,689 INFO L857 garLoopResultBuilder]: For program point L234-6(line 234) no Hoare annotation was computed. [2021-10-20 05:16:11,689 INFO L857 garLoopResultBuilder]: For program point L234-8(line 234) no Hoare annotation was computed. [2021-10-20 05:16:11,690 INFO L857 garLoopResultBuilder]: For program point L234-9(line 234) no Hoare annotation was computed. [2021-10-20 05:16:11,690 INFO L857 garLoopResultBuilder]: For program point L234-11(lines 234 246) no Hoare annotation was computed. [2021-10-20 05:16:11,690 INFO L857 garLoopResultBuilder]: For program point L234-12(line 234) no Hoare annotation was computed. [2021-10-20 05:16:11,690 INFO L857 garLoopResultBuilder]: For program point L234-14(line 234) no Hoare annotation was computed. [2021-10-20 05:16:11,690 INFO L857 garLoopResultBuilder]: For program point L234-15(line 234) no Hoare annotation was computed. [2021-10-20 05:16:11,690 INFO L857 garLoopResultBuilder]: For program point L234-17(lines 234 246) no Hoare annotation was computed. [2021-10-20 05:16:11,690 INFO L857 garLoopResultBuilder]: For program point L234-18(line 234) no Hoare annotation was computed. [2021-10-20 05:16:11,690 INFO L857 garLoopResultBuilder]: For program point L234-20(line 234) no Hoare annotation was computed. [2021-10-20 05:16:11,690 INFO L857 garLoopResultBuilder]: For program point L234-21(line 234) no Hoare annotation was computed. [2021-10-20 05:16:11,691 INFO L857 garLoopResultBuilder]: For program point L234-23(lines 234 246) no Hoare annotation was computed. [2021-10-20 05:16:11,691 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 208) no Hoare annotation was computed. [2021-10-20 05:16:11,691 INFO L857 garLoopResultBuilder]: For program point L202-2(lines 202 208) no Hoare annotation was computed. [2021-10-20 05:16:11,691 INFO L857 garLoopResultBuilder]: For program point L202-3(lines 202 208) no Hoare annotation was computed. [2021-10-20 05:16:11,691 INFO L857 garLoopResultBuilder]: For program point L202-5(lines 202 208) no Hoare annotation was computed. [2021-10-20 05:16:11,691 INFO L857 garLoopResultBuilder]: For program point L202-6(lines 202 208) no Hoare annotation was computed. [2021-10-20 05:16:11,691 INFO L857 garLoopResultBuilder]: For program point L202-8(lines 202 208) no Hoare annotation was computed. [2021-10-20 05:16:11,691 INFO L857 garLoopResultBuilder]: For program point L202-9(lines 202 208) no Hoare annotation was computed. [2021-10-20 05:16:11,691 INFO L857 garLoopResultBuilder]: For program point L202-11(lines 202 208) no Hoare annotation was computed. [2021-10-20 05:16:11,691 INFO L857 garLoopResultBuilder]: For program point L236(lines 236 241) no Hoare annotation was computed. [2021-10-20 05:16:11,692 INFO L857 garLoopResultBuilder]: For program point L236-1(lines 234 246) no Hoare annotation was computed. [2021-10-20 05:16:11,692 INFO L857 garLoopResultBuilder]: For program point L236-2(lines 236 241) no Hoare annotation was computed. [2021-10-20 05:16:11,692 INFO L857 garLoopResultBuilder]: For program point L236-3(lines 234 246) no Hoare annotation was computed. [2021-10-20 05:16:11,692 INFO L857 garLoopResultBuilder]: For program point L236-4(lines 236 241) no Hoare annotation was computed. [2021-10-20 05:16:11,692 INFO L857 garLoopResultBuilder]: For program point L236-5(lines 234 246) no Hoare annotation was computed. [2021-10-20 05:16:11,692 INFO L857 garLoopResultBuilder]: For program point L236-6(lines 236 241) no Hoare annotation was computed. [2021-10-20 05:16:11,692 INFO L857 garLoopResultBuilder]: For program point L236-7(lines 234 246) no Hoare annotation was computed. [2021-10-20 05:16:11,692 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 207) no Hoare annotation was computed. [2021-10-20 05:16:11,692 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 204 207) no Hoare annotation was computed. [2021-10-20 05:16:11,692 INFO L857 garLoopResultBuilder]: For program point L204-2(lines 204 207) no Hoare annotation was computed. [2021-10-20 05:16:11,692 INFO L857 garLoopResultBuilder]: For program point L204-3(lines 204 207) no Hoare annotation was computed. [2021-10-20 05:16:11,693 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 307) no Hoare annotation was computed. [2021-10-20 05:16:11,693 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 374) no Hoare annotation was computed. [2021-10-20 05:16:11,693 INFO L857 garLoopResultBuilder]: For program point L406-2(lines 406 416) no Hoare annotation was computed. [2021-10-20 05:16:11,693 INFO L860 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: true [2021-10-20 05:16:11,693 INFO L860 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: true [2021-10-20 05:16:11,693 INFO L857 garLoopResultBuilder]: For program point L308-1(lines 308 315) no Hoare annotation was computed. [2021-10-20 05:16:11,693 INFO L853 garLoopResultBuilder]: At program point L209(lines 209 225) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-20 05:16:11,693 INFO L853 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-20 05:16:11,693 INFO L853 garLoopResultBuilder]: At program point L209-1(lines 209 225) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-20 05:16:11,694 INFO L857 garLoopResultBuilder]: For program point L308-4(lines 308 315) no Hoare annotation was computed. [2021-10-20 05:16:11,694 INFO L853 garLoopResultBuilder]: At program point L209-2(lines 209 225) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-20 05:16:11,694 INFO L853 garLoopResultBuilder]: At program point L209-3(lines 209 225) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-20 05:16:11,694 INFO L857 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2021-10-20 05:16:11,694 INFO L857 garLoopResultBuilder]: For program point L408-2(lines 408 415) no Hoare annotation was computed. [2021-10-20 05:16:11,694 INFO L857 garLoopResultBuilder]: For program point L376-2(lines 376 393) no Hoare annotation was computed. [2021-10-20 05:16:11,694 INFO L853 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-20 05:16:11,694 INFO L857 garLoopResultBuilder]: For program point L376-4(lines 376 393) no Hoare annotation was computed. [2021-10-20 05:16:11,694 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-20 05:16:11,694 INFO L857 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-10-20 05:16:11,695 INFO L857 garLoopResultBuilder]: For program point L211-3(line 211) no Hoare annotation was computed. [2021-10-20 05:16:11,695 INFO L857 garLoopResultBuilder]: For program point L211-5(line 211) no Hoare annotation was computed. [2021-10-20 05:16:11,695 INFO L857 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-10-20 05:16:11,695 INFO L857 garLoopResultBuilder]: For program point L211-8(line 211) no Hoare annotation was computed. [2021-10-20 05:16:11,695 INFO L857 garLoopResultBuilder]: For program point L211-9(line 211) no Hoare annotation was computed. [2021-10-20 05:16:11,695 INFO L857 garLoopResultBuilder]: For program point L211-11(line 211) no Hoare annotation was computed. [2021-10-20 05:16:11,695 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 314) no Hoare annotation was computed. [2021-10-20 05:16:11,697 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-20 05:16:11,697 INFO L857 garLoopResultBuilder]: For program point L212-2(line 212) no Hoare annotation was computed. [2021-10-20 05:16:11,697 INFO L857 garLoopResultBuilder]: For program point L212-4(line 212) no Hoare annotation was computed. [2021-10-20 05:16:11,697 INFO L857 garLoopResultBuilder]: For program point L212-6(line 212) no Hoare annotation was computed. [2021-10-20 05:16:11,697 INFO L857 garLoopResultBuilder]: For program point L378(lines 378 381) no Hoare annotation was computed. [2021-10-20 05:16:11,698 INFO L853 garLoopResultBuilder]: At program point L247(lines 193 248) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-20 05:16:11,698 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-10-20 05:16:11,698 INFO L853 garLoopResultBuilder]: At program point L247-1(lines 193 248) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-20 05:16:11,698 INFO L853 garLoopResultBuilder]: At program point L247-2(lines 193 248) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-20 05:16:11,698 INFO L857 garLoopResultBuilder]: For program point L214-2(line 214) no Hoare annotation was computed. [2021-10-20 05:16:11,698 INFO L853 garLoopResultBuilder]: At program point L247-3(lines 193 248) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-20 05:16:11,699 INFO L857 garLoopResultBuilder]: For program point L214-3(line 214) no Hoare annotation was computed. [2021-10-20 05:16:11,699 INFO L857 garLoopResultBuilder]: For program point L214-5(line 214) no Hoare annotation was computed. [2021-10-20 05:16:11,699 INFO L857 garLoopResultBuilder]: For program point L214-6(line 214) no Hoare annotation was computed. [2021-10-20 05:16:11,699 INFO L857 garLoopResultBuilder]: For program point L214-8(line 214) no Hoare annotation was computed. [2021-10-20 05:16:11,699 INFO L857 garLoopResultBuilder]: For program point L214-9(line 214) no Hoare annotation was computed. [2021-10-20 05:16:11,699 INFO L857 garLoopResultBuilder]: For program point L214-11(line 214) no Hoare annotation was computed. [2021-10-20 05:16:11,699 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-10-20 05:16:11,700 INFO L857 garLoopResultBuilder]: For program point L215-2(line 215) no Hoare annotation was computed. [2021-10-20 05:16:11,700 INFO L857 garLoopResultBuilder]: For program point L215-4(line 215) no Hoare annotation was computed. [2021-10-20 05:16:11,700 INFO L857 garLoopResultBuilder]: For program point L215-6(line 215) no Hoare annotation was computed. [2021-10-20 05:16:11,700 INFO L857 garLoopResultBuilder]: For program point L316(line 316) no Hoare annotation was computed. [2021-10-20 05:16:11,700 INFO L857 garLoopResultBuilder]: For program point L316-2(line 316) no Hoare annotation was computed. [2021-10-20 05:16:11,700 INFO L857 garLoopResultBuilder]: For program point L217(line 217) no Hoare annotation was computed. [2021-10-20 05:16:11,700 INFO L857 garLoopResultBuilder]: For program point L316-3(line 316) no Hoare annotation was computed. [2021-10-20 05:16:11,701 INFO L857 garLoopResultBuilder]: For program point L217-2(line 217) no Hoare annotation was computed. [2021-10-20 05:16:11,701 INFO L857 garLoopResultBuilder]: For program point L316-5(lines 316 328) no Hoare annotation was computed. [2021-10-20 05:16:11,701 INFO L857 garLoopResultBuilder]: For program point L217-3(line 217) no Hoare annotation was computed. [2021-10-20 05:16:11,701 INFO L857 garLoopResultBuilder]: For program point L217-5(line 217) no Hoare annotation was computed. [2021-10-20 05:16:11,701 INFO L857 garLoopResultBuilder]: For program point L217-6(line 217) no Hoare annotation was computed. [2021-10-20 05:16:11,701 INFO L857 garLoopResultBuilder]: For program point L217-8(line 217) no Hoare annotation was computed. [2021-10-20 05:16:11,701 INFO L857 garLoopResultBuilder]: For program point L217-9(line 217) no Hoare annotation was computed. [2021-10-20 05:16:11,702 INFO L857 garLoopResultBuilder]: For program point L217-11(line 217) no Hoare annotation was computed. [2021-10-20 05:16:11,702 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-20 05:16:11,702 INFO L857 garLoopResultBuilder]: For program point L218(line 218) no Hoare annotation was computed. [2021-10-20 05:16:11,702 INFO L857 garLoopResultBuilder]: For program point L218-2(line 218) no Hoare annotation was computed. [2021-10-20 05:16:11,702 INFO L857 garLoopResultBuilder]: For program point L218-4(line 218) no Hoare annotation was computed. [2021-10-20 05:16:11,702 INFO L857 garLoopResultBuilder]: For program point L218-6(line 218) no Hoare annotation was computed. [2021-10-20 05:16:11,702 INFO L857 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2021-10-20 05:16:11,703 INFO L857 garLoopResultBuilder]: For program point L318(lines 318 323) no Hoare annotation was computed. [2021-10-20 05:16:11,703 INFO L857 garLoopResultBuilder]: For program point L318-1(lines 316 328) no Hoare annotation was computed. [2021-10-20 05:16:11,703 INFO L860 garLoopResultBuilder]: At program point L418(lines 427 458) the Hoare annotation is: true [2021-10-20 05:16:11,703 INFO L857 garLoopResultBuilder]: For program point L352-2(lines 352 355) no Hoare annotation was computed. [2021-10-20 05:16:11,703 INFO L853 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: (and (= ULTIMATE.start_Id_MCDC_97_~Id_MCDC_123~0 (_ bv6144 32)) (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32))) [2021-10-20 05:16:11,703 INFO L857 garLoopResultBuilder]: For program point L352-4(lines 332 399) no Hoare annotation was computed. [2021-10-20 05:16:11,704 INFO L857 garLoopResultBuilder]: For program point L220(line 220) no Hoare annotation was computed. [2021-10-20 05:16:11,704 INFO L857 garLoopResultBuilder]: For program point L220-2(line 220) no Hoare annotation was computed. [2021-10-20 05:16:11,704 INFO L857 garLoopResultBuilder]: For program point L220-3(line 220) no Hoare annotation was computed. [2021-10-20 05:16:11,704 INFO L857 garLoopResultBuilder]: For program point L220-5(line 220) no Hoare annotation was computed. [2021-10-20 05:16:11,704 INFO L857 garLoopResultBuilder]: For program point L220-6(line 220) no Hoare annotation was computed. [2021-10-20 05:16:11,704 INFO L857 garLoopResultBuilder]: For program point L220-8(line 220) no Hoare annotation was computed. [2021-10-20 05:16:11,704 INFO L857 garLoopResultBuilder]: For program point L220-9(line 220) no Hoare annotation was computed. [2021-10-20 05:16:11,705 INFO L857 garLoopResultBuilder]: For program point L220-11(line 220) no Hoare annotation was computed. [2021-10-20 05:16:11,705 INFO L857 garLoopResultBuilder]: For program point L452(lines 452 455) no Hoare annotation was computed. [2021-10-20 05:16:11,705 INFO L857 garLoopResultBuilder]: For program point L221(line 221) no Hoare annotation was computed. [2021-10-20 05:16:11,705 INFO L857 garLoopResultBuilder]: For program point L221-2(line 221) no Hoare annotation was computed. [2021-10-20 05:16:11,705 INFO L857 garLoopResultBuilder]: For program point L221-4(line 221) no Hoare annotation was computed. [2021-10-20 05:16:11,705 INFO L857 garLoopResultBuilder]: For program point L221-6(line 221) no Hoare annotation was computed. [2021-10-20 05:16:11,705 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-20 05:16:11,706 INFO L857 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-10-20 05:16:11,706 INFO L857 garLoopResultBuilder]: For program point L223-2(line 223) no Hoare annotation was computed. [2021-10-20 05:16:11,706 INFO L857 garLoopResultBuilder]: For program point L223-4(line 223) no Hoare annotation was computed. [2021-10-20 05:16:11,706 INFO L857 garLoopResultBuilder]: For program point L223-6(line 223) no Hoare annotation was computed. [2021-10-20 05:16:11,706 INFO L857 garLoopResultBuilder]: For program point L389(lines 389 392) no Hoare annotation was computed. [2021-10-20 05:16:11,706 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 397) no Hoare annotation was computed. [2021-10-20 05:16:11,706 INFO L857 garLoopResultBuilder]: For program point L358-2(lines 358 396) no Hoare annotation was computed. [2021-10-20 05:16:11,707 INFO L853 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-20 05:16:11,707 INFO L857 garLoopResultBuilder]: For program point L226-1(lines 226 233) no Hoare annotation was computed. [2021-10-20 05:16:11,707 INFO L853 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-20 05:16:11,707 INFO L857 garLoopResultBuilder]: For program point L226-4(lines 226 233) no Hoare annotation was computed. [2021-10-20 05:16:11,707 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-20 05:16:11,707 INFO L857 garLoopResultBuilder]: For program point L226-6(lines 226 233) no Hoare annotation was computed. [2021-10-20 05:16:11,707 INFO L853 garLoopResultBuilder]: At program point L226-8(lines 226 233) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-20 05:16:11,708 INFO L857 garLoopResultBuilder]: For program point L226-9(lines 226 233) no Hoare annotation was computed. [2021-10-20 05:16:11,708 INFO L857 garLoopResultBuilder]: For program point L226-11(lines 226 233) no Hoare annotation was computed. [2021-10-20 05:16:11,708 INFO L853 garLoopResultBuilder]: At program point L226-13(lines 226 233) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-20 05:16:11,708 INFO L857 garLoopResultBuilder]: For program point L226-14(lines 226 233) no Hoare annotation was computed. [2021-10-20 05:16:11,708 INFO L857 garLoopResultBuilder]: For program point L226-16(lines 226 233) no Hoare annotation was computed. [2021-10-20 05:16:11,708 INFO L853 garLoopResultBuilder]: At program point L226-18(lines 226 233) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-20 05:16:11,709 INFO L857 garLoopResultBuilder]: For program point L226-19(lines 226 233) no Hoare annotation was computed. [2021-10-20 05:16:11,709 INFO L857 garLoopResultBuilder]: For program point L361(lines 361 364) no Hoare annotation was computed. [2021-10-20 05:16:11,709 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2021-10-20 05:16:11,709 INFO L857 garLoopResultBuilder]: For program point L229-1(lines 229 232) no Hoare annotation was computed. [2021-10-20 05:16:11,709 INFO L857 garLoopResultBuilder]: For program point L229-2(lines 229 232) no Hoare annotation was computed. [2021-10-20 05:16:11,709 INFO L857 garLoopResultBuilder]: For program point L229-3(lines 229 232) no Hoare annotation was computed. [2021-10-20 05:16:11,709 INFO L853 garLoopResultBuilder]: At program point L329(lines 300 330) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-20 05:16:11,710 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-20 05:16:11,710 INFO L857 garLoopResultBuilder]: For program point L198(lines 198 201) no Hoare annotation was computed. [2021-10-20 05:16:11,710 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 198 201) no Hoare annotation was computed. [2021-10-20 05:16:11,710 INFO L857 garLoopResultBuilder]: For program point L198-2(lines 198 201) no Hoare annotation was computed. [2021-10-20 05:16:11,710 INFO L857 garLoopResultBuilder]: For program point L198-3(lines 198 201) no Hoare annotation was computed. [2021-10-20 05:16:11,710 INFO L853 garLoopResultBuilder]: At program point L398(lines 331 399) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-20 05:16:11,710 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 368) no Hoare annotation was computed. [2021-10-20 05:16:11,714 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-20 05:16:11,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 05:16:11 BoogieIcfgContainer [2021-10-20 05:16:11,729 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-20 05:16:11,729 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-20 05:16:11,730 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-20 05:16:11,730 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-20 05:16:11,730 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:16:02" (3/4) ... [2021-10-20 05:16:11,733 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-20 05:16:11,742 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_95 [2021-10-20 05:16:11,761 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2021-10-20 05:16:11,763 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-10-20 05:16:11,765 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-20 05:16:11,767 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-20 05:16:11,769 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 05:16:11,770 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 05:16:11,804 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 2bv32 == \old(Id_MCDC_93) || !(2bv32 == Id_MCDC_93) [2021-10-20 05:16:11,805 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2bv32 == \old(Id_MCDC_93) || !(2bv32 == Id_MCDC_93)) && Id_MCDC_103 == 1bv32) && (!(4bv32 == \old(Id_MCDC_93)) || 4bv32 == Id_MCDC_93) [2021-10-20 05:16:11,910 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/witness.graphml [2021-10-20 05:16:11,911 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-20 05:16:11,912 INFO L168 Benchmark]: Toolchain (without parser) took 12257.31 ms. Allocated memory was 56.6 MB in the beginning and 130.0 MB in the end (delta: 73.4 MB). Free memory was 33.8 MB in the beginning and 90.8 MB in the end (delta: -57.0 MB). Peak memory consumption was 67.5 MB. Max. memory is 16.1 GB. [2021-10-20 05:16:11,913 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 56.6 MB. Free memory was 37.9 MB in the beginning and 37.8 MB in the end (delta: 39.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:16:11,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 800.81 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 33.6 MB in the beginning and 46.7 MB in the end (delta: -13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-20 05:16:11,914 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.44 ms. Allocated memory is still 77.6 MB. Free memory was 46.7 MB in the beginning and 42.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-20 05:16:11,915 INFO L168 Benchmark]: Boogie Preprocessor took 165.49 ms. Allocated memory is still 77.6 MB. Free memory was 42.1 MB in the beginning and 55.8 MB in the end (delta: -13.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. [2021-10-20 05:16:11,915 INFO L168 Benchmark]: RCFGBuilder took 1553.77 ms. Allocated memory is still 77.6 MB. Free memory was 55.8 MB in the beginning and 42.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. [2021-10-20 05:16:11,915 INFO L168 Benchmark]: TraceAbstraction took 9428.67 ms. Allocated memory was 77.6 MB in the beginning and 130.0 MB in the end (delta: 52.4 MB). Free memory was 42.0 MB in the beginning and 46.4 MB in the end (delta: -4.4 MB). Peak memory consumption was 47.7 MB. Max. memory is 16.1 GB. [2021-10-20 05:16:11,916 INFO L168 Benchmark]: Witness Printer took 181.44 ms. Allocated memory is still 130.0 MB. Free memory was 46.4 MB in the beginning and 90.8 MB in the end (delta: -44.4 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2021-10-20 05:16:11,918 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 56.6 MB. Free memory was 37.9 MB in the beginning and 37.8 MB in the end (delta: 39.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 800.81 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 33.6 MB in the beginning and 46.7 MB in the end (delta: -13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 117.44 ms. Allocated memory is still 77.6 MB. Free memory was 46.7 MB in the beginning and 42.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 165.49 ms. Allocated memory is still 77.6 MB. Free memory was 42.1 MB in the beginning and 55.8 MB in the end (delta: -13.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1553.77 ms. Allocated memory is still 77.6 MB. Free memory was 55.8 MB in the beginning and 42.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9428.67 ms. Allocated memory was 77.6 MB in the beginning and 130.0 MB in the end (delta: 52.4 MB). Free memory was 42.0 MB in the beginning and 46.4 MB in the end (delta: -4.4 MB). Peak memory consumption was 47.7 MB. Max. memory is 16.1 GB. * Witness Printer took 181.44 ms. Allocated memory is still 130.0 MB. Free memory was 46.4 MB in the beginning and 90.8 MB in the end (delta: -44.4 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 - PositiveResult [Line: 463]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 176 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9360.5ms, OverallIterations: 6, TraceHistogramMax: 2, EmptinessCheckTime: 21.1ms, AutomataDifference: 597.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 228.0ms, InitialAbstractionConstructionTime: 14.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1761 SDtfs, 1173 SDslu, 2143 SDs, 0 SdLazy, 58 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 178.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 588 GetRequests, 550 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 306.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=208occurred in iteration=5, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 129.4ms AutomataMinimizationTime, 6 MinimizatonAttempts, 381 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 25 LocationsWithAnnotation, 85 PreInvPairs, 125 NumberOfFragments, 103 HoareAnnotationTreeSize, 85 FomulaSimplifications, 35 FormulaSimplificationTreeSizeReduction, 103.1ms HoareSimplificationTime, 25 FomulaSimplificationsInter, 37 FormulaSimplificationTreeSizeReductionInter, 114.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 336.8ms SsaConstructionTime, 1559.7ms SatisfiabilityAnalysisTime, 2471.4ms InterpolantComputationTime, 304 NumberOfCodeBlocks, 304 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 586 ConstructedInterpolants, 0 QuantifiedInterpolants, 804 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2696 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 22 InterpolantComputations, 10 PerfectInterpolantSequences, 54/106 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 2bv32 == \old(Id_MCDC_93) || !(2bv32 == Id_MCDC_93) - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: Id_MCDC_123 == 6144bv32 && Id_MCDC_140 == 0bv32 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 459]: Loop Invariant Derived loop invariant: ((2bv32 == \old(Id_MCDC_93) || !(2bv32 == Id_MCDC_93)) && Id_MCDC_103 == 1bv32) && (!(4bv32 == \old(Id_MCDC_93)) || 4bv32 == Id_MCDC_93) RESULT: Ultimate proved your program to be correct! [2021-10-20 05:16:11,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba0ab7c-839b-402b-9961-95fbe104b2ff/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...