./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/ofuf_2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8 --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 9ae694734f109522fa1ca97e7fe166df1ef5d566 ............................................................................................................................................ 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_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8 --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 9ae694734f109522fa1ca97e7fe166df1ef5d566 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:33:17,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:33:17,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:33:17,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:33:17,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:33:17,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:33:17,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:33:17,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:33:17,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:33:17,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:33:17,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:33:17,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:33:17,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:33:17,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:33:17,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:33:17,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:33:17,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:33:17,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:33:17,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:33:17,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:33:17,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:33:17,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:33:17,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:33:17,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:33:17,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:33:17,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:33:17,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:33:17,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:33:17,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:33:17,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:33:17,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:33:17,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:33:17,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:33:17,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:33:17,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:33:17,687 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:33:17,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:33:17,688 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:33:17,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:33:17,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:33:17,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:33:17,691 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:33:17,734 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:33:17,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:33:17,735 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:33:17,735 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:33:17,736 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:33:17,736 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:33:17,736 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:33:17,736 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:33:17,743 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:33:17,743 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:33:17,744 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:33:17,744 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:33:17,744 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:33:17,745 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:33:17,745 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:33:17,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:33:17,746 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:33:17,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:33:17,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:33:17,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:33:17,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:33:17,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:33:17,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:33:17,748 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:33:17,748 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:33:17,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:33:17,748 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:33:17,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:33:17,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:33:17,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:33:17,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:33:17,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:33:17,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:33:17,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:33:17,752 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:33:17,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:33:17,752 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:33:17,752 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:33:17,753 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:33:17,753 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_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ae694734f109522fa1ca97e7fe166df1ef5d566 [2021-10-13 07:33:18,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:33:18,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:33:18,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:33:18,079 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:33:18,080 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:33:18,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/loop-industry-pattern/ofuf_2.c [2021-10-13 07:33:18,146 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/data/dd0a0c5e7/a3cfe5c607cd46739d3ef64e299ed72a/FLAG5d81dd3e0 [2021-10-13 07:33:18,637 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:33:18,638 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/sv-benchmarks/c/loop-industry-pattern/ofuf_2.c [2021-10-13 07:33:18,661 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/data/dd0a0c5e7/a3cfe5c607cd46739d3ef64e299ed72a/FLAG5d81dd3e0 [2021-10-13 07:33:18,971 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/data/dd0a0c5e7/a3cfe5c607cd46739d3ef64e299ed72a [2021-10-13 07:33:18,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:33:18,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:33:18,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:33:18,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:33:18,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:33:18,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:33:18" (1/1) ... [2021-10-13 07:33:18,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d98a62d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:33:18, skipping insertion in model container [2021-10-13 07:33:18,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:33:18" (1/1) ... [2021-10-13 07:33:19,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:33:19,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:33:19,437 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_ed7c69c6-afd4-4005-87f6-c6134000d9cd/sv-benchmarks/c/loop-industry-pattern/ofuf_2.c[11342,11355] [2021-10-13 07:33:19,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:33:19,465 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) [2021-10-13 07:33:19,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@775e92b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:33:19, skipping insertion in model container [2021-10-13 07:33:19,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:33:19,467 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:33:19,470 INFO L168 Benchmark]: Toolchain (without parser) took 492.78 ms. Allocated memory is still 134.2 MB. Free memory was 94.0 MB in the beginning and 105.6 MB in the end (delta: -11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:33:19,471 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 134.2 MB. Free memory is still 111.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:33:19,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.98 ms. Allocated memory is still 134.2 MB. Free memory was 93.9 MB in the beginning and 105.6 MB in the end (delta: -11.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:33:19,476 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 134.2 MB. Free memory is still 111.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 476.98 ms. Allocated memory is still 134.2 MB. Free memory was 93.9 MB in the beginning and 105.6 MB in the end (delta: -11.7 MB). Peak memory consumption was 10.5 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-4e77c04 [2021-10-13 07:33:21,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:33:21,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:33:21,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:33:21,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:33:21,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:33:21,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:33:21,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:33:21,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:33:21,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:33:21,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:33:21,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:33:21,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:33:21,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:33:21,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:33:21,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:33:21,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:33:21,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:33:21,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:33:21,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:33:21,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:33:21,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:33:21,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:33:21,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:33:21,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:33:21,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:33:21,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:33:21,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:33:21,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:33:21,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:33:21,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:33:21,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:33:21,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:33:21,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:33:21,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:33:21,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:33:21,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:33:21,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:33:21,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:33:21,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:33:21,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:33:21,941 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:33:22,001 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:33:22,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:33:22,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:33:22,003 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:33:22,003 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:33:22,003 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:33:22,003 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:33:22,004 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:33:22,004 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:33:22,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:33:22,006 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:33:22,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:33:22,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:33:22,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:33:22,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:33:22,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:33:22,007 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:33:22,008 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:33:22,008 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:33:22,008 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:33:22,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:33:22,008 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:33:22,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:33:22,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:33:22,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:33:22,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:33:22,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:33:22,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:33:22,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:33:22,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:33:22,010 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:33:22,011 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:33:22,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:33:22,011 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:33:22,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:33:22,012 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_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ae694734f109522fa1ca97e7fe166df1ef5d566 [2021-10-13 07:33:22,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:33:22,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:33:22,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:33:22,489 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:33:22,490 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:33:22,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/loop-industry-pattern/ofuf_2.c [2021-10-13 07:33:22,566 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/data/7f1b85bcc/f158aff4ce534167a43bd1957f648ff2/FLAGdd0111dfb [2021-10-13 07:33:23,231 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:33:23,232 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/sv-benchmarks/c/loop-industry-pattern/ofuf_2.c [2021-10-13 07:33:23,248 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/data/7f1b85bcc/f158aff4ce534167a43bd1957f648ff2/FLAGdd0111dfb [2021-10-13 07:33:23,518 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/data/7f1b85bcc/f158aff4ce534167a43bd1957f648ff2 [2021-10-13 07:33:23,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:33:23,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:33:23,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:33:23,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:33:23,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:33:23,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:33:23" (1/1) ... [2021-10-13 07:33:23,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bc2628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:33:23, skipping insertion in model container [2021-10-13 07:33:23,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:33:23" (1/1) ... [2021-10-13 07:33:23,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:33:23,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:33:24,074 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_ed7c69c6-afd4-4005-87f6-c6134000d9cd/sv-benchmarks/c/loop-industry-pattern/ofuf_2.c[11342,11355] [2021-10-13 07:33:24,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:33:24,095 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:33:24,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:33:24,205 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_ed7c69c6-afd4-4005-87f6-c6134000d9cd/sv-benchmarks/c/loop-industry-pattern/ofuf_2.c[11342,11355] [2021-10-13 07:33:24,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:33:24,229 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:33:24,344 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_ed7c69c6-afd4-4005-87f6-c6134000d9cd/sv-benchmarks/c/loop-industry-pattern/ofuf_2.c[11342,11355] [2021-10-13 07:33:24,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:33:24,381 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:33:24,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:33:24 WrapperNode [2021-10-13 07:33:24,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:33:24,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:33:24,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:33:24,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:33:24,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:33:24" (1/1) ... [2021-10-13 07:33:24,443 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:33:24" (1/1) ... [2021-10-13 07:33:24,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:33:24,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:33:24,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:33:24,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:33:24,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:33:24" (1/1) ... [2021-10-13 07:33:24,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:33:24" (1/1) ... [2021-10-13 07:33:24,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:33:24" (1/1) ... [2021-10-13 07:33:24,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:33:24" (1/1) ... [2021-10-13 07:33:24,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:33:24" (1/1) ... [2021-10-13 07:33:24,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:33:24" (1/1) ... [2021-10-13 07:33:24,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:33:24" (1/1) ... [2021-10-13 07:33:24,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:33:24,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:33:24,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:33:24,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:33:24,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:33:24" (1/1) ... [2021-10-13 07:33:24,631 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:33:24,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:33:24,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:33:24,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:33:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-13 07:33:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-10-13 07:33:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-10-13 07:33:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:33:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-13 07:33:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 07:33:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:33:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 07:33:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-10-13 07:33:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 07:33:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-10-13 07:33:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2021-10-13 07:33:24,752 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2021-10-13 07:33:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 07:33:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:33:24,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:33:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-10-13 07:33:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 07:33:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 07:33:26,221 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:33:26,222 INFO L299 CfgBuilder]: Removed 38 assume(true) statements. [2021-10-13 07:33:26,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:33:26 BoogieIcfgContainer [2021-10-13 07:33:26,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:33:26,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:33:26,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:33:26,229 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:33:26,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:33:23" (1/3) ... [2021-10-13 07:33:26,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b1360d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:33:26, skipping insertion in model container [2021-10-13 07:33:26,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:33:24" (2/3) ... [2021-10-13 07:33:26,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b1360d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:33:26, skipping insertion in model container [2021-10-13 07:33:26,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:33:26" (3/3) ... [2021-10-13 07:33:26,232 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_2.c [2021-10-13 07:33:26,237 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:33:26,238 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:33:26,293 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:33:26,300 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 07:33:26,300 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:33:26,321 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) [2021-10-13 07:33:26,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 07:33:26,328 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:33:26,329 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:33:26,329 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:33:26,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:33:26,334 INFO L82 PathProgramCache]: Analyzing trace with hash 437048265, now seen corresponding path program 1 times [2021-10-13 07:33:26,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:33:26,347 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [521243690] [2021-10-13 07:33:26,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:33:26,348 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:33:26,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:33:26,351 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:33:26,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:33:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:33:26,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 07:33:26,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:33:26,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:33:26,690 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:33:26,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:33:26,736 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:33:26,736 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [521243690] [2021-10-13 07:33:26,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [521243690] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:33:26,737 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:33:26,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:33:26,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380865757] [2021-10-13 07:33:26,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:33:26,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:33:26,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:33:26,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:33:26,759 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) [2021-10-13 07:33:26,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:33:26,804 INFO L93 Difference]: Finished difference Result 347 states and 566 transitions. [2021-10-13 07:33:26,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:33:26,805 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 [2021-10-13 07:33:26,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:33:26,815 INFO L225 Difference]: With dead ends: 347 [2021-10-13 07:33:26,815 INFO L226 Difference]: Without dead ends: 172 [2021-10-13 07:33:26,819 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 [2021-10-13 07:33:26,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-10-13 07:33:26,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2021-10-13 07:33:26,861 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) [2021-10-13 07:33:26,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 268 transitions. [2021-10-13 07:33:26,865 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 268 transitions. Word has length 19 [2021-10-13 07:33:26,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:33:26,866 INFO L470 AbstractCegarLoop]: Abstraction has 172 states and 268 transitions. [2021-10-13 07:33:26,866 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) [2021-10-13 07:33:26,866 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 268 transitions. [2021-10-13 07:33:26,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 07:33:26,868 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:33:26,868 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:33:26,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:33:27,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:33:27,083 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:33:27,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:33:27,084 INFO L82 PathProgramCache]: Analyzing trace with hash -794654387, now seen corresponding path program 1 times [2021-10-13 07:33:27,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:33:27,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1260421479] [2021-10-13 07:33:27,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:33:27,086 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:33:27,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:33:27,087 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:33:27,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:33:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:33:27,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:33:27,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:33:27,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:33:27,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:33:27,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:33:27,548 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:33:27,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1260421479] [2021-10-13 07:33:27,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1260421479] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:33:27,549 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:33:27,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:33:27,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511607726] [2021-10-13 07:33:27,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:33:27,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:33:27,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:33:27,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:33:27,551 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) [2021-10-13 07:33:27,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:33:27,677 INFO L93 Difference]: Finished difference Result 632 states and 1003 transitions. [2021-10-13 07:33:27,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:33:27,678 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 [2021-10-13 07:33:27,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:33:27,689 INFO L225 Difference]: With dead ends: 632 [2021-10-13 07:33:27,690 INFO L226 Difference]: Without dead ends: 465 [2021-10-13 07:33:27,692 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:33:27,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2021-10-13 07:33:27,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 175. [2021-10-13 07:33:27,730 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) [2021-10-13 07:33:27,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 271 transitions. [2021-10-13 07:33:27,734 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 271 transitions. Word has length 19 [2021-10-13 07:33:27,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:33:27,735 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 271 transitions. [2021-10-13 07:33:27,735 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) [2021-10-13 07:33:27,735 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 271 transitions. [2021-10-13 07:33:27,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-13 07:33:27,742 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:33:27,742 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] [2021-10-13 07:33:27,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:33:27,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:33:27,951 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:33:27,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:33:27,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1467108783, now seen corresponding path program 1 times [2021-10-13 07:33:27,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:33:27,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [202780644] [2021-10-13 07:33:27,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:33:27,957 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:33:27,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:33:27,958 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:33:27,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:33:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:33:28,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:33:28,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:33:28,311 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:33:28,311 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:33:28,417 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:33:28,417 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:33:28,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [202780644] [2021-10-13 07:33:28,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [202780644] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:33:28,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2042025952] [2021-10-13 07:33:28,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:33:28,418 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:33:28,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:33:28,423 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:33:28,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-10-13 07:33:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:33:28,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:33:28,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:33:28,847 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 07:33:28,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:33:28,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 07:33:28,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2042025952] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:33:28,939 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 07:33:28,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5] total 12 [2021-10-13 07:33:28,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267528566] [2021-10-13 07:33:28,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:33:28,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:33:28,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:33:28,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-10-13 07:33:28,942 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) [2021-10-13 07:33:29,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:33:29,053 INFO L93 Difference]: Finished difference Result 250 states and 363 transitions. [2021-10-13 07:33:29,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 07:33:29,056 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 [2021-10-13 07:33:29,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:33:29,061 INFO L225 Difference]: With dead ends: 250 [2021-10-13 07:33:29,061 INFO L226 Difference]: Without dead ends: 227 [2021-10-13 07:33:29,063 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 123.6ms TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-10-13 07:33:29,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-10-13 07:33:29,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 207. [2021-10-13 07:33:29,098 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) [2021-10-13 07:33:29,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 311 transitions. [2021-10-13 07:33:29,102 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 311 transitions. Word has length 23 [2021-10-13 07:33:29,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:33:29,103 INFO L470 AbstractCegarLoop]: Abstraction has 207 states and 311 transitions. [2021-10-13 07:33:29,103 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) [2021-10-13 07:33:29,104 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 311 transitions. [2021-10-13 07:33:29,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-13 07:33:29,113 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:33:29,113 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] [2021-10-13 07:33:29,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:33:29,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2021-10-13 07:33:29,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 07:33:29,533 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:33:29,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:33:29,534 INFO L82 PathProgramCache]: Analyzing trace with hash -593865932, now seen corresponding path program 1 times [2021-10-13 07:33:29,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:33:29,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1911060785] [2021-10-13 07:33:29,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:33:29,536 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:33:29,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:33:29,552 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:33:29,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:33:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:33:29,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:33:29,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:33:29,990 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 07:33:29,990 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:33:30,138 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:33:30,139 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:33:30,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1911060785] [2021-10-13 07:33:30,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1911060785] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:33:30,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [225004641] [2021-10-13 07:33:30,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:33:30,140 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:33:30,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:33:30,142 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:33:30,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2021-10-13 07:33:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:33:30,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:33:30,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:33:30,564 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-13 07:33:30,564 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:33:30,678 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 07:33:30,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [225004641] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-13 07:33:30,678 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-10-13 07:33:30,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5, 3] total 10 [2021-10-13 07:33:30,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92931612] [2021-10-13 07:33:30,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:33:30,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:33:30,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:33:30,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:33:30,680 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) [2021-10-13 07:33:30,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:33:30,746 INFO L93 Difference]: Finished difference Result 335 states and 497 transitions. [2021-10-13 07:33:30,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:33:30,748 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 [2021-10-13 07:33:30,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:33:30,750 INFO L225 Difference]: With dead ends: 335 [2021-10-13 07:33:30,750 INFO L226 Difference]: Without dead ends: 275 [2021-10-13 07:33:30,755 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 87.0ms TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:33:30,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2021-10-13 07:33:30,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 207. [2021-10-13 07:33:30,765 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) [2021-10-13 07:33:30,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 310 transitions. [2021-10-13 07:33:30,768 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 310 transitions. Word has length 29 [2021-10-13 07:33:30,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:33:30,768 INFO L470 AbstractCegarLoop]: Abstraction has 207 states and 310 transitions. [2021-10-13 07:33:30,769 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) [2021-10-13 07:33:30,769 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 310 transitions. [2021-10-13 07:33:30,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-13 07:33:30,771 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:33:30,771 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] [2021-10-13 07:33:30,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 07:33:30,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2021-10-13 07:33:31,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 07:33:31,187 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:33:31,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:33:31,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1584716794, now seen corresponding path program 1 times [2021-10-13 07:33:31,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:33:31,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [932559735] [2021-10-13 07:33:31,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:33:31,189 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:33:31,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:33:31,191 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:33:31,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 07:33:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:33:31,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:33:31,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:33:31,585 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 07:33:31,585 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:33:31,689 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:33:31,690 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:33:31,690 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [932559735] [2021-10-13 07:33:31,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [932559735] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:33:31,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [418448120] [2021-10-13 07:33:31,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:33:31,696 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:33:31,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:33:31,698 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:33:31,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-10-13 07:33:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:33:32,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:33:32,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:33:32,123 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-13 07:33:32,123 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:33:32,209 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 07:33:32,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [418448120] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-13 07:33:32,209 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-10-13 07:33:32,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5, 3] total 10 [2021-10-13 07:33:32,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986583342] [2021-10-13 07:33:32,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:33:32,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:33:32,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:33:32,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:33:32,211 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) [2021-10-13 07:33:32,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:33:32,277 INFO L93 Difference]: Finished difference Result 265 states and 384 transitions. [2021-10-13 07:33:32,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:33:32,278 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 [2021-10-13 07:33:32,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:33:32,280 INFO L225 Difference]: With dead ends: 265 [2021-10-13 07:33:32,280 INFO L226 Difference]: Without dead ends: 211 [2021-10-13 07:33:32,281 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 56.3ms TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:33:32,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2021-10-13 07:33:32,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 208. [2021-10-13 07:33:32,289 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) [2021-10-13 07:33:32,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 311 transitions. [2021-10-13 07:33:32,291 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 311 transitions. Word has length 30 [2021-10-13 07:33:32,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:33:32,291 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 311 transitions. [2021-10-13 07:33:32,291 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) [2021-10-13 07:33:32,291 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 311 transitions. [2021-10-13 07:33:32,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 07:33:32,293 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:33:32,293 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] [2021-10-13 07:33:32,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-13 07:33:32,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-10-13 07:33:32,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 07:33:32,709 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:33:32,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:33:32,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1821622445, now seen corresponding path program 1 times [2021-10-13 07:33:32,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:33:32,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1215374188] [2021-10-13 07:33:32,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:33:32,712 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:33:32,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:33:32,739 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:33:32,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 07:33:33,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:33:33,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:33:33,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:33:33,226 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 07:33:33,227 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:33:33,360 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 07:33:33,360 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:33:33,361 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1215374188] [2021-10-13 07:33:33,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1215374188] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:33:33,361 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1814785583] [2021-10-13 07:33:33,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:33:33,361 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:33:33,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:33:33,363 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:33:33,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-10-13 07:33:33,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:33:33,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:33:33,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:33:34,040 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 07:33:34,040 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:33:34,123 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 07:33:34,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1814785583] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:33:34,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240447014] [2021-10-13 07:33:34,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:33:34,124 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:33:34,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:33:34,126 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:33:34,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-13 07:33:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:33:34,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:33:34,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:33:34,641 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 07:33:34,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:33:34,766 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 07:33:34,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240447014] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:33:34,766 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-10-13 07:33:34,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5, 5, 5] total 10 [2021-10-13 07:33:34,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761651085] [2021-10-13 07:33:34,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:33:34,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:33:34,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:33:34,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:33:34,768 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) [2021-10-13 07:33:34,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:33:34,785 INFO L93 Difference]: Finished difference Result 229 states and 335 transitions. [2021-10-13 07:33:34,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:33:34,786 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 [2021-10-13 07:33:34,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:33:34,787 INFO L225 Difference]: With dead ends: 229 [2021-10-13 07:33:34,787 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:33:34,790 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 57.5ms TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:33:34,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:33:34,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:33:34,791 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) [2021-10-13 07:33:34,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:33:34,791 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2021-10-13 07:33:34,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:33:34,792 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:33:34,792 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) [2021-10-13 07:33:34,792 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:33:34,792 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:33:34,796 INFO L764 garLoopResultBuilder]: Registering result SAFE for location Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:33:34,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 07:33:35,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-10-13 07:33:35,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-10-13 07:33:35,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:33:35,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:33:35,416 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:33:35,662 INFO L857 garLoopResultBuilder]: For program point L461(lines 461 464) no Hoare annotation was computed. [2021-10-13 07:33:35,662 INFO L857 garLoopResultBuilder]: For program point L11(lines 11 14) no Hoare annotation was computed. [2021-10-13 07:33:35,662 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))) [2021-10-13 07:33:35,662 INFO L857 garLoopResultBuilder]: For program point L11-2(lines 11 14) no Hoare annotation was computed. [2021-10-13 07:33:35,663 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 295) no Hoare annotation was computed. [2021-10-13 07:33:35,663 INFO L857 garLoopResultBuilder]: For program point L255(lines 255 269) no Hoare annotation was computed. [2021-10-13 07:33:35,663 INFO L857 garLoopResultBuilder]: For program point L288-2(lines 288 295) no Hoare annotation was computed. [2021-10-13 07:33:35,663 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 287) no Hoare annotation was computed. [2021-10-13 07:33:35,663 INFO L860 garLoopResultBuilder]: At program point Id_MCDC_95ENTRY(lines 280 299) the Hoare annotation is: true [2021-10-13 07:33:35,663 INFO L857 garLoopResultBuilder]: For program point L463(line 463) no Hoare annotation was computed. [2021-10-13 07:33:35,663 INFO L857 garLoopResultBuilder]: For program point Id_MCDC_95EXIT(lines 280 299) no Hoare annotation was computed. [2021-10-13 07:33:35,663 INFO L857 garLoopResultBuilder]: For program point L9(lines 9 15) no Hoare annotation was computed. [2021-10-13 07:33:35,663 INFO L857 garLoopResultBuilder]: For program point Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2021-10-13 07:33:35,664 INFO L857 garLoopResultBuilder]: For program point L9-1(lines 9 15) no Hoare annotation was computed. [2021-10-13 07:33:35,664 INFO L857 garLoopResultBuilder]: For program point L261(lines 261 269) no Hoare annotation was computed. [2021-10-13 07:33:35,664 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))) [2021-10-13 07:33:35,664 INFO L857 garLoopResultBuilder]: For program point L290-1(line 290) no Hoare annotation was computed. [2021-10-13 07:33:35,664 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))) [2021-10-13 07:33:35,664 INFO L857 garLoopResultBuilder]: For program point L270-1(lines 250 279) no Hoare annotation was computed. [2021-10-13 07:33:35,664 INFO L857 garLoopResultBuilder]: For program point L270-2(lines 270 277) no Hoare annotation was computed. [2021-10-13 07:33:35,664 INFO L857 garLoopResultBuilder]: For program point Id_MCDC_95FINAL(lines 280 299) no Hoare annotation was computed. [2021-10-13 07:33:35,664 INFO L857 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2021-10-13 07:33:35,665 INFO L857 garLoopResultBuilder]: For program point L234-2(line 234) no Hoare annotation was computed. [2021-10-13 07:33:35,665 INFO L857 garLoopResultBuilder]: For program point L234-3(line 234) no Hoare annotation was computed. [2021-10-13 07:33:35,665 INFO L857 garLoopResultBuilder]: For program point L234-5(lines 234 246) no Hoare annotation was computed. [2021-10-13 07:33:35,665 INFO L857 garLoopResultBuilder]: For program point L234-6(line 234) no Hoare annotation was computed. [2021-10-13 07:33:35,665 INFO L857 garLoopResultBuilder]: For program point L234-8(line 234) no Hoare annotation was computed. [2021-10-13 07:33:35,665 INFO L857 garLoopResultBuilder]: For program point L234-9(line 234) no Hoare annotation was computed. [2021-10-13 07:33:35,665 INFO L857 garLoopResultBuilder]: For program point L234-11(lines 234 246) no Hoare annotation was computed. [2021-10-13 07:33:35,665 INFO L857 garLoopResultBuilder]: For program point L234-12(line 234) no Hoare annotation was computed. [2021-10-13 07:33:35,665 INFO L857 garLoopResultBuilder]: For program point L234-14(line 234) no Hoare annotation was computed. [2021-10-13 07:33:35,665 INFO L857 garLoopResultBuilder]: For program point L234-15(line 234) no Hoare annotation was computed. [2021-10-13 07:33:35,666 INFO L857 garLoopResultBuilder]: For program point L234-17(lines 234 246) no Hoare annotation was computed. [2021-10-13 07:33:35,666 INFO L857 garLoopResultBuilder]: For program point L234-18(line 234) no Hoare annotation was computed. [2021-10-13 07:33:35,666 INFO L857 garLoopResultBuilder]: For program point L234-20(line 234) no Hoare annotation was computed. [2021-10-13 07:33:35,666 INFO L857 garLoopResultBuilder]: For program point L234-21(line 234) no Hoare annotation was computed. [2021-10-13 07:33:35,666 INFO L857 garLoopResultBuilder]: For program point L234-23(lines 234 246) no Hoare annotation was computed. [2021-10-13 07:33:35,666 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 208) no Hoare annotation was computed. [2021-10-13 07:33:35,666 INFO L857 garLoopResultBuilder]: For program point L202-2(lines 202 208) no Hoare annotation was computed. [2021-10-13 07:33:35,666 INFO L857 garLoopResultBuilder]: For program point L202-3(lines 202 208) no Hoare annotation was computed. [2021-10-13 07:33:35,666 INFO L857 garLoopResultBuilder]: For program point L202-5(lines 202 208) no Hoare annotation was computed. [2021-10-13 07:33:35,666 INFO L857 garLoopResultBuilder]: For program point L202-6(lines 202 208) no Hoare annotation was computed. [2021-10-13 07:33:35,667 INFO L857 garLoopResultBuilder]: For program point L202-8(lines 202 208) no Hoare annotation was computed. [2021-10-13 07:33:35,667 INFO L857 garLoopResultBuilder]: For program point L202-9(lines 202 208) no Hoare annotation was computed. [2021-10-13 07:33:35,667 INFO L857 garLoopResultBuilder]: For program point L202-11(lines 202 208) no Hoare annotation was computed. [2021-10-13 07:33:35,667 INFO L857 garLoopResultBuilder]: For program point L236(lines 236 241) no Hoare annotation was computed. [2021-10-13 07:33:35,667 INFO L857 garLoopResultBuilder]: For program point L236-1(lines 234 246) no Hoare annotation was computed. [2021-10-13 07:33:35,667 INFO L857 garLoopResultBuilder]: For program point L236-2(lines 236 241) no Hoare annotation was computed. [2021-10-13 07:33:35,667 INFO L857 garLoopResultBuilder]: For program point L236-3(lines 234 246) no Hoare annotation was computed. [2021-10-13 07:33:35,667 INFO L857 garLoopResultBuilder]: For program point L236-4(lines 236 241) no Hoare annotation was computed. [2021-10-13 07:33:35,667 INFO L857 garLoopResultBuilder]: For program point L236-5(lines 234 246) no Hoare annotation was computed. [2021-10-13 07:33:35,667 INFO L857 garLoopResultBuilder]: For program point L236-6(lines 236 241) no Hoare annotation was computed. [2021-10-13 07:33:35,668 INFO L857 garLoopResultBuilder]: For program point L236-7(lines 234 246) no Hoare annotation was computed. [2021-10-13 07:33:35,668 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 207) no Hoare annotation was computed. [2021-10-13 07:33:35,668 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 204 207) no Hoare annotation was computed. [2021-10-13 07:33:35,668 INFO L857 garLoopResultBuilder]: For program point L204-2(lines 204 207) no Hoare annotation was computed. [2021-10-13 07:33:35,668 INFO L857 garLoopResultBuilder]: For program point L204-3(lines 204 207) no Hoare annotation was computed. [2021-10-13 07:33:35,668 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 307) no Hoare annotation was computed. [2021-10-13 07:33:35,668 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 374) no Hoare annotation was computed. [2021-10-13 07:33:35,668 INFO L857 garLoopResultBuilder]: For program point L406-2(lines 406 416) no Hoare annotation was computed. [2021-10-13 07:33:35,668 INFO L860 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: true [2021-10-13 07:33:35,668 INFO L860 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: true [2021-10-13 07:33:35,669 INFO L857 garLoopResultBuilder]: For program point L308-1(lines 308 315) no Hoare annotation was computed. [2021-10-13 07:33:35,669 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)) [2021-10-13 07:33:35,669 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)) [2021-10-13 07:33:35,669 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)) [2021-10-13 07:33:35,669 INFO L857 garLoopResultBuilder]: For program point L308-4(lines 308 315) no Hoare annotation was computed. [2021-10-13 07:33:35,669 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)) [2021-10-13 07:33:35,669 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)) [2021-10-13 07:33:35,669 INFO L857 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2021-10-13 07:33:35,669 INFO L857 garLoopResultBuilder]: For program point L408-2(lines 408 415) no Hoare annotation was computed. [2021-10-13 07:33:35,670 INFO L857 garLoopResultBuilder]: For program point L376-2(lines 376 393) no Hoare annotation was computed. [2021-10-13 07:33:35,670 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)) [2021-10-13 07:33:35,670 INFO L857 garLoopResultBuilder]: For program point L376-4(lines 376 393) no Hoare annotation was computed. [2021-10-13 07:33:35,670 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-13 07:33:35,672 INFO L857 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-10-13 07:33:35,672 INFO L857 garLoopResultBuilder]: For program point L211-3(line 211) no Hoare annotation was computed. [2021-10-13 07:33:35,672 INFO L857 garLoopResultBuilder]: For program point L211-5(line 211) no Hoare annotation was computed. [2021-10-13 07:33:35,672 INFO L857 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-10-13 07:33:35,672 INFO L857 garLoopResultBuilder]: For program point L211-8(line 211) no Hoare annotation was computed. [2021-10-13 07:33:35,672 INFO L857 garLoopResultBuilder]: For program point L211-9(line 211) no Hoare annotation was computed. [2021-10-13 07:33:35,672 INFO L857 garLoopResultBuilder]: For program point L211-11(line 211) no Hoare annotation was computed. [2021-10-13 07:33:35,672 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 314) no Hoare annotation was computed. [2021-10-13 07:33:35,673 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-13 07:33:35,673 INFO L857 garLoopResultBuilder]: For program point L212-2(line 212) no Hoare annotation was computed. [2021-10-13 07:33:35,673 INFO L857 garLoopResultBuilder]: For program point L212-4(line 212) no Hoare annotation was computed. [2021-10-13 07:33:35,673 INFO L857 garLoopResultBuilder]: For program point L212-6(line 212) no Hoare annotation was computed. [2021-10-13 07:33:35,673 INFO L857 garLoopResultBuilder]: For program point L378(lines 378 381) no Hoare annotation was computed. [2021-10-13 07:33:35,673 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)) [2021-10-13 07:33:35,673 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-10-13 07:33:35,673 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)) [2021-10-13 07:33:35,673 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)) [2021-10-13 07:33:35,674 INFO L857 garLoopResultBuilder]: For program point L214-2(line 214) no Hoare annotation was computed. [2021-10-13 07:33:35,674 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)) [2021-10-13 07:33:35,674 INFO L857 garLoopResultBuilder]: For program point L214-3(line 214) no Hoare annotation was computed. [2021-10-13 07:33:35,674 INFO L857 garLoopResultBuilder]: For program point L214-5(line 214) no Hoare annotation was computed. [2021-10-13 07:33:35,674 INFO L857 garLoopResultBuilder]: For program point L214-6(line 214) no Hoare annotation was computed. [2021-10-13 07:33:35,674 INFO L857 garLoopResultBuilder]: For program point L214-8(line 214) no Hoare annotation was computed. [2021-10-13 07:33:35,674 INFO L857 garLoopResultBuilder]: For program point L214-9(line 214) no Hoare annotation was computed. [2021-10-13 07:33:35,674 INFO L857 garLoopResultBuilder]: For program point L214-11(line 214) no Hoare annotation was computed. [2021-10-13 07:33:35,674 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-10-13 07:33:35,675 INFO L857 garLoopResultBuilder]: For program point L215-2(line 215) no Hoare annotation was computed. [2021-10-13 07:33:35,675 INFO L857 garLoopResultBuilder]: For program point L215-4(line 215) no Hoare annotation was computed. [2021-10-13 07:33:35,675 INFO L857 garLoopResultBuilder]: For program point L215-6(line 215) no Hoare annotation was computed. [2021-10-13 07:33:35,675 INFO L857 garLoopResultBuilder]: For program point L316(line 316) no Hoare annotation was computed. [2021-10-13 07:33:35,675 INFO L857 garLoopResultBuilder]: For program point L316-2(line 316) no Hoare annotation was computed. [2021-10-13 07:33:35,675 INFO L857 garLoopResultBuilder]: For program point L217(line 217) no Hoare annotation was computed. [2021-10-13 07:33:35,676 INFO L857 garLoopResultBuilder]: For program point L316-3(line 316) no Hoare annotation was computed. [2021-10-13 07:33:35,676 INFO L857 garLoopResultBuilder]: For program point L217-2(line 217) no Hoare annotation was computed. [2021-10-13 07:33:35,676 INFO L857 garLoopResultBuilder]: For program point L316-5(lines 316 328) no Hoare annotation was computed. [2021-10-13 07:33:35,676 INFO L857 garLoopResultBuilder]: For program point L217-3(line 217) no Hoare annotation was computed. [2021-10-13 07:33:35,676 INFO L857 garLoopResultBuilder]: For program point L217-5(line 217) no Hoare annotation was computed. [2021-10-13 07:33:35,676 INFO L857 garLoopResultBuilder]: For program point L217-6(line 217) no Hoare annotation was computed. [2021-10-13 07:33:35,676 INFO L857 garLoopResultBuilder]: For program point L217-8(line 217) no Hoare annotation was computed. [2021-10-13 07:33:35,677 INFO L857 garLoopResultBuilder]: For program point L217-9(line 217) no Hoare annotation was computed. [2021-10-13 07:33:35,677 INFO L857 garLoopResultBuilder]: For program point L217-11(line 217) no Hoare annotation was computed. [2021-10-13 07:33:35,677 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:33:35,677 INFO L857 garLoopResultBuilder]: For program point L218(line 218) no Hoare annotation was computed. [2021-10-13 07:33:35,677 INFO L857 garLoopResultBuilder]: For program point L218-2(line 218) no Hoare annotation was computed. [2021-10-13 07:33:35,677 INFO L857 garLoopResultBuilder]: For program point L218-4(line 218) no Hoare annotation was computed. [2021-10-13 07:33:35,678 INFO L857 garLoopResultBuilder]: For program point L218-6(line 218) no Hoare annotation was computed. [2021-10-13 07:33:35,678 INFO L857 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2021-10-13 07:33:35,678 INFO L857 garLoopResultBuilder]: For program point L318(lines 318 323) no Hoare annotation was computed. [2021-10-13 07:33:35,678 INFO L857 garLoopResultBuilder]: For program point L318-1(lines 316 328) no Hoare annotation was computed. [2021-10-13 07:33:35,678 INFO L860 garLoopResultBuilder]: At program point L418(lines 427 458) the Hoare annotation is: true [2021-10-13 07:33:35,678 INFO L857 garLoopResultBuilder]: For program point L352-2(lines 352 355) no Hoare annotation was computed. [2021-10-13 07:33:35,679 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))) [2021-10-13 07:33:35,679 INFO L857 garLoopResultBuilder]: For program point L352-4(lines 332 399) no Hoare annotation was computed. [2021-10-13 07:33:35,679 INFO L857 garLoopResultBuilder]: For program point L220(line 220) no Hoare annotation was computed. [2021-10-13 07:33:35,679 INFO L857 garLoopResultBuilder]: For program point L220-2(line 220) no Hoare annotation was computed. [2021-10-13 07:33:35,679 INFO L857 garLoopResultBuilder]: For program point L220-3(line 220) no Hoare annotation was computed. [2021-10-13 07:33:35,679 INFO L857 garLoopResultBuilder]: For program point L220-5(line 220) no Hoare annotation was computed. [2021-10-13 07:33:35,686 INFO L857 garLoopResultBuilder]: For program point L220-6(line 220) no Hoare annotation was computed. [2021-10-13 07:33:35,686 INFO L857 garLoopResultBuilder]: For program point L220-8(line 220) no Hoare annotation was computed. [2021-10-13 07:33:35,686 INFO L857 garLoopResultBuilder]: For program point L220-9(line 220) no Hoare annotation was computed. [2021-10-13 07:33:35,687 INFO L857 garLoopResultBuilder]: For program point L220-11(line 220) no Hoare annotation was computed. [2021-10-13 07:33:35,687 INFO L857 garLoopResultBuilder]: For program point L452(lines 452 455) no Hoare annotation was computed. [2021-10-13 07:33:35,687 INFO L857 garLoopResultBuilder]: For program point L221(line 221) no Hoare annotation was computed. [2021-10-13 07:33:35,687 INFO L857 garLoopResultBuilder]: For program point L221-2(line 221) no Hoare annotation was computed. [2021-10-13 07:33:35,687 INFO L857 garLoopResultBuilder]: For program point L221-4(line 221) no Hoare annotation was computed. [2021-10-13 07:33:35,688 INFO L857 garLoopResultBuilder]: For program point L221-6(line 221) no Hoare annotation was computed. [2021-10-13 07:33:35,688 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:33:35,688 INFO L857 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-10-13 07:33:35,688 INFO L857 garLoopResultBuilder]: For program point L223-2(line 223) no Hoare annotation was computed. [2021-10-13 07:33:35,688 INFO L857 garLoopResultBuilder]: For program point L223-4(line 223) no Hoare annotation was computed. [2021-10-13 07:33:35,688 INFO L857 garLoopResultBuilder]: For program point L223-6(line 223) no Hoare annotation was computed. [2021-10-13 07:33:35,689 INFO L857 garLoopResultBuilder]: For program point L389(lines 389 392) no Hoare annotation was computed. [2021-10-13 07:33:35,689 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 397) no Hoare annotation was computed. [2021-10-13 07:33:35,689 INFO L857 garLoopResultBuilder]: For program point L358-2(lines 358 396) no Hoare annotation was computed. [2021-10-13 07:33:35,689 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)) [2021-10-13 07:33:35,689 INFO L857 garLoopResultBuilder]: For program point L226-1(lines 226 233) no Hoare annotation was computed. [2021-10-13 07:33:35,690 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)) [2021-10-13 07:33:35,690 INFO L857 garLoopResultBuilder]: For program point L226-4(lines 226 233) no Hoare annotation was computed. [2021-10-13 07:33:35,690 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:33:35,690 INFO L857 garLoopResultBuilder]: For program point L226-6(lines 226 233) no Hoare annotation was computed. [2021-10-13 07:33:35,690 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)) [2021-10-13 07:33:35,691 INFO L857 garLoopResultBuilder]: For program point L226-9(lines 226 233) no Hoare annotation was computed. [2021-10-13 07:33:35,691 INFO L857 garLoopResultBuilder]: For program point L226-11(lines 226 233) no Hoare annotation was computed. [2021-10-13 07:33:35,691 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)) [2021-10-13 07:33:35,691 INFO L857 garLoopResultBuilder]: For program point L226-14(lines 226 233) no Hoare annotation was computed. [2021-10-13 07:33:35,691 INFO L857 garLoopResultBuilder]: For program point L226-16(lines 226 233) no Hoare annotation was computed. [2021-10-13 07:33:35,691 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)) [2021-10-13 07:33:35,692 INFO L857 garLoopResultBuilder]: For program point L226-19(lines 226 233) no Hoare annotation was computed. [2021-10-13 07:33:35,692 INFO L857 garLoopResultBuilder]: For program point L361(lines 361 364) no Hoare annotation was computed. [2021-10-13 07:33:35,692 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2021-10-13 07:33:35,692 INFO L857 garLoopResultBuilder]: For program point L229-1(lines 229 232) no Hoare annotation was computed. [2021-10-13 07:33:35,692 INFO L857 garLoopResultBuilder]: For program point L229-2(lines 229 232) no Hoare annotation was computed. [2021-10-13 07:33:35,693 INFO L857 garLoopResultBuilder]: For program point L229-3(lines 229 232) no Hoare annotation was computed. [2021-10-13 07:33:35,693 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)) [2021-10-13 07:33:35,693 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:33:35,693 INFO L857 garLoopResultBuilder]: For program point L198(lines 198 201) no Hoare annotation was computed. [2021-10-13 07:33:35,693 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 198 201) no Hoare annotation was computed. [2021-10-13 07:33:35,694 INFO L857 garLoopResultBuilder]: For program point L198-2(lines 198 201) no Hoare annotation was computed. [2021-10-13 07:33:35,694 INFO L857 garLoopResultBuilder]: For program point L198-3(lines 198 201) no Hoare annotation was computed. [2021-10-13 07:33:35,694 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)) [2021-10-13 07:33:35,695 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 368) no Hoare annotation was computed. [2021-10-13 07:33:35,699 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:33:35,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:33:35 BoogieIcfgContainer [2021-10-13 07:33:35,716 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:33:35,717 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:33:35,717 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:33:35,717 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:33:35,718 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:33:26" (3/4) ... [2021-10-13 07:33:35,721 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:33:35,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_95 [2021-10-13 07:33:35,747 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2021-10-13 07:33:35,749 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-10-13 07:33:35,751 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 07:33:35,753 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-13 07:33:35,755 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:33:35,757 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:33:35,788 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 2bv32 == \old(Id_MCDC_93) || !(2bv32 == Id_MCDC_93) [2021-10-13 07:33:35,789 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) [2021-10-13 07:33:35,902 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:33:35,902 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:33:35,904 INFO L168 Benchmark]: Toolchain (without parser) took 12378.13 ms. Allocated memory was 67.1 MB in the beginning and 142.6 MB in the end (delta: 75.5 MB). Free memory was 45.1 MB in the beginning and 95.6 MB in the end (delta: -50.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:33:35,904 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 67.1 MB. Free memory is still 47.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:33:35,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 854.34 ms. Allocated memory is still 67.1 MB. Free memory was 44.9 MB in the beginning and 34.7 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:33:35,906 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.85 ms. Allocated memory is still 67.1 MB. Free memory was 34.5 MB in the beginning and 46.9 MB in the end (delta: -12.4 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:33:35,906 INFO L168 Benchmark]: Boogie Preprocessor took 94.27 ms. Allocated memory is still 67.1 MB. Free memory was 46.9 MB in the beginning and 41.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:33:35,906 INFO L168 Benchmark]: RCFGBuilder took 1602.91 ms. Allocated memory was 67.1 MB in the beginning and 96.5 MB in the end (delta: 29.4 MB). Free memory was 41.9 MB in the beginning and 64.4 MB in the end (delta: -22.5 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:33:35,907 INFO L168 Benchmark]: TraceAbstraction took 9490.29 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 64.0 MB in the beginning and 113.4 MB in the end (delta: -49.4 MB). Peak memory consumption was 56.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:33:35,907 INFO L168 Benchmark]: Witness Printer took 185.55 ms. Allocated memory is still 142.6 MB. Free memory was 113.4 MB in the beginning and 95.6 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:33:35,910 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 67.1 MB. Free memory is still 47.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 854.34 ms. Allocated memory is still 67.1 MB. Free memory was 44.9 MB in the beginning and 34.7 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 140.85 ms. Allocated memory is still 67.1 MB. Free memory was 34.5 MB in the beginning and 46.9 MB in the end (delta: -12.4 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 94.27 ms. Allocated memory is still 67.1 MB. Free memory was 46.9 MB in the beginning and 41.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1602.91 ms. Allocated memory was 67.1 MB in the beginning and 96.5 MB in the end (delta: 29.4 MB). Free memory was 41.9 MB in the beginning and 64.4 MB in the end (delta: -22.5 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9490.29 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 64.0 MB in the beginning and 113.4 MB in the end (delta: -49.4 MB). Peak memory consumption was 56.5 MB. Max. memory is 16.1 GB. * Witness Printer took 185.55 ms. Allocated memory is still 142.6 MB. Free memory was 113.4 MB in the beginning and 95.6 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 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: 9408.4ms, OverallIterations: 6, TraceHistogramMax: 2, EmptinessCheckTime: 32.3ms, AutomataDifference: 504.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 250.6ms, InitialAbstractionConstructionTime: 16.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1761 SDtfs, 1173 SDslu, 2143 SDs, 0 SdLazy, 58 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 206.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 588 GetRequests, 550 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 333.9ms 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: 134.0ms AutomataMinimizationTime, 6 MinimizatonAttempts, 381 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 25 LocationsWithAnnotation, 85 PreInvPairs, 125 NumberOfFragments, 103 HoareAnnotationTreeSize, 85 FomulaSimplifications, 35 FormulaSimplificationTreeSizeReduction, 127.4ms HoareSimplificationTime, 25 FomulaSimplificationsInter, 37 FormulaSimplificationTreeSizeReductionInter, 113.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 290.8ms SsaConstructionTime, 1620.2ms SatisfiabilityAnalysisTime, 2486.3ms InterpolantComputationTime, 304 NumberOfCodeBlocks, 304 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 586 ConstructedInterpolants, 0 QuantifiedInterpolants, 804 SizeOfPredicates, 15 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! [2021-10-13 07:33:35,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed7c69c6-afd4-4005-87f6-c6134000d9cd/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...