./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-sets/test_add-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_add-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77902a9f57c297a8e1fc2f1cd5cfc51f597104fb ............................................................................................................................................ 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_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_add-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77902a9f57c297a8e1fc2f1cd5cfc51f597104fb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:47:16,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:47:16,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:47:16,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:47:16,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:47:16,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:47:16,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:47:16,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:47:16,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:47:16,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:47:16,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:47:16,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:47:16,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:47:16,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:47:16,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:47:16,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:47:16,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:47:16,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:47:16,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:47:16,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:47:16,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:47:16,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:47:16,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:47:16,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:47:16,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:47:16,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:47:16,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:47:16,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:47:16,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:47:16,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:47:16,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:47:16,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:47:16,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:47:16,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:47:16,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:47:16,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:47:16,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:47:16,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:47:16,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:47:16,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:47:16,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:47:16,606 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:47:16,666 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:47:16,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:47:16,668 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:47:16,668 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:47:16,669 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:47:16,669 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:47:16,669 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:47:16,670 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:47:16,676 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:47:16,677 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:47:16,677 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:47:16,678 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:47:16,678 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:47:16,678 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:47:16,679 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:47:16,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:47:16,680 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:47:16,680 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:47:16,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:47:16,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:47:16,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:47:16,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:47:16,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:47:16,682 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:47:16,682 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:47:16,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:47:16,683 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:47:16,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:47:16,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:47:16,683 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:47:16,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:47:16,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:47:16,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:47:16,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:47:16,689 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:47:16,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:47:16,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:47:16,690 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:47:16,690 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:47:16,691 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_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77902a9f57c297a8e1fc2f1cd5cfc51f597104fb [2021-10-16 02:47:17,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:47:17,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:47:17,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:47:17,102 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:47:17,103 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:47:17,104 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/ldv-sets/test_add-1.i [2021-10-16 02:47:17,209 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/data/57542f595/a187b778442b4a78ab3ad491e530f08c/FLAG962e13e51 [2021-10-16 02:47:17,994 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:47:17,999 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/sv-benchmarks/c/ldv-sets/test_add-1.i [2021-10-16 02:47:18,026 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/data/57542f595/a187b778442b4a78ab3ad491e530f08c/FLAG962e13e51 [2021-10-16 02:47:18,218 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/data/57542f595/a187b778442b4a78ab3ad491e530f08c [2021-10-16 02:47:18,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:47:18,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:47:18,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:47:18,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:47:18,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:47:18,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:47:18" (1/1) ... [2021-10-16 02:47:18,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65d75fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:18, skipping insertion in model container [2021-10-16 02:47:18,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:47:18" (1/1) ... [2021-10-16 02:47:18,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:47:18,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:47:18,822 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_81bb34a8-8483-46fb-9ca4-5f786eed7f36/sv-benchmarks/c/ldv-sets/test_add-1.i[25792,25805] [2021-10-16 02:47:18,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:47:18,850 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-16 02:47:18,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7945673e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:18, skipping insertion in model container [2021-10-16 02:47:18,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:47:18,853 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:47:18,856 INFO L168 Benchmark]: Toolchain (without parser) took 629.91 ms. Allocated memory is still 94.4 MB. Free memory was 59.9 MB in the beginning and 65.7 MB in the end (delta: -5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:47:18,858 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 94.4 MB. Free memory is still 46.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:47:18,861 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.35 ms. Allocated memory is still 94.4 MB. Free memory was 59.7 MB in the beginning and 65.7 MB in the end (delta: -6.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:47:18,864 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 94.4 MB. Free memory is still 46.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 624.35 ms. Allocated memory is still 94.4 MB. Free memory was 59.7 MB in the beginning and 65.7 MB in the end (delta: -6.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 635]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:47:21,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:47:21,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:47:21,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:47:21,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:47:21,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:47:21,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:47:21,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:47:21,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:47:21,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:47:21,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:47:21,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:47:21,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:47:21,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:47:21,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:47:21,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:47:21,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:47:21,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:47:21,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:47:21,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:47:21,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:47:21,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:47:21,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:47:21,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:47:21,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:47:21,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:47:21,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:47:21,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:47:21,840 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:47:21,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:47:21,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:47:21,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:47:21,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:47:21,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:47:21,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:47:21,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:47:21,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:47:21,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:47:21,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:47:21,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:47:21,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:47:21,881 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:47:21,935 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:47:21,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:47:21,937 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:47:21,937 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:47:21,938 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:47:21,938 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:47:21,938 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:47:21,938 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:47:21,939 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:47:21,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:47:21,942 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:47:21,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:47:21,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:47:21,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:47:21,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:47:21,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:47:21,943 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:47:21,943 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:47:21,944 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:47:21,944 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:47:21,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:47:21,944 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:47:21,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:47:21,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:47:21,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:47:21,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:47:21,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:47:21,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:47:21,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:47:21,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:47:21,947 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:47:21,947 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:47:21,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:47:21,947 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:47:21,948 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:47:21,948 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_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77902a9f57c297a8e1fc2f1cd5cfc51f597104fb [2021-10-16 02:47:22,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:47:22,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:47:22,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:47:22,424 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:47:22,424 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:47:22,428 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/ldv-sets/test_add-1.i [2021-10-16 02:47:22,521 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/data/eb63ac3d7/5b173d3738db4726a4d1c36baeda3d88/FLAGf0c6b9179 [2021-10-16 02:47:23,359 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:47:23,360 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/sv-benchmarks/c/ldv-sets/test_add-1.i [2021-10-16 02:47:23,378 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/data/eb63ac3d7/5b173d3738db4726a4d1c36baeda3d88/FLAGf0c6b9179 [2021-10-16 02:47:23,583 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/data/eb63ac3d7/5b173d3738db4726a4d1c36baeda3d88 [2021-10-16 02:47:23,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:47:23,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:47:23,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:47:23,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:47:23,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:47:23,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:47:23" (1/1) ... [2021-10-16 02:47:23,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d9ed37b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:23, skipping insertion in model container [2021-10-16 02:47:23,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:47:23" (1/1) ... [2021-10-16 02:47:23,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:47:23,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:47:24,236 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_81bb34a8-8483-46fb-9ca4-5f786eed7f36/sv-benchmarks/c/ldv-sets/test_add-1.i[25792,25805] [2021-10-16 02:47:24,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:47:24,271 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-16 02:47:24,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:47:24,332 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_81bb34a8-8483-46fb-9ca4-5f786eed7f36/sv-benchmarks/c/ldv-sets/test_add-1.i[25792,25805] [2021-10-16 02:47:24,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:47:24,350 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:47:24,442 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_81bb34a8-8483-46fb-9ca4-5f786eed7f36/sv-benchmarks/c/ldv-sets/test_add-1.i[25792,25805] [2021-10-16 02:47:24,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:47:24,486 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:47:24,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:24 WrapperNode [2021-10-16 02:47:24,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:47:24,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:47:24,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:47:24,489 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:47:24,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:24" (1/1) ... [2021-10-16 02:47:24,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:24" (1/1) ... [2021-10-16 02:47:24,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:47:24,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:47:24,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:47:24,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:47:24,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:24" (1/1) ... [2021-10-16 02:47:24,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:24" (1/1) ... [2021-10-16 02:47:24,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:24" (1/1) ... [2021-10-16 02:47:24,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:24" (1/1) ... [2021-10-16 02:47:24,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:24" (1/1) ... [2021-10-16 02:47:24,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:24" (1/1) ... [2021-10-16 02:47:24,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:24" (1/1) ... [2021-10-16 02:47:24,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:47:24,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:47:24,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:47:24,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:47:24,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:24" (1/1) ... [2021-10-16 02:47:24,691 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:47:24,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:47:24,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:47:24,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:47:24,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-16 02:47:24,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-16 02:47:24,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-16 02:47:24,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:47:24,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-16 02:47:24,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-16 02:47:24,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-16 02:47:24,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:47:24,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:47:24,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:47:25,522 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:47:25,523 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-10-16 02:47:25,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:47:25 BoogieIcfgContainer [2021-10-16 02:47:25,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:47:25,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:47:25,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:47:25,545 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:47:25,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:47:23" (1/3) ... [2021-10-16 02:47:25,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39432107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:47:25, skipping insertion in model container [2021-10-16 02:47:25,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:24" (2/3) ... [2021-10-16 02:47:25,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39432107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:47:25, skipping insertion in model container [2021-10-16 02:47:25,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:47:25" (3/3) ... [2021-10-16 02:47:25,549 INFO L111 eAbstractionObserver]: Analyzing ICFG test_add-1.i [2021-10-16 02:47:25,555 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:47:25,555 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:47:25,626 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:47:25,636 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 02:47:25,637 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:47:25,666 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 23 states have (on average 1.434782608695652) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:47:25,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-16 02:47:25,673 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:47:25,673 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:47:25,674 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:47:25,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:47:25,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1191041087, now seen corresponding path program 1 times [2021-10-16 02:47:25,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:47:25,701 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [235743487] [2021-10-16 02:47:25,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:47:25,703 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:47:25,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:47:25,707 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:47:25,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:47:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:47:25,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-16 02:47:25,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:47:25,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:47:25,969 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:47:26,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:47:26,031 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:47:26,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [235743487] [2021-10-16 02:47:26,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [235743487] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:47:26,033 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:47:26,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-16 02:47:26,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263387107] [2021-10-16 02:47:26,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 02:47:26,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:47:26,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 02:47:26,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:47:26,066 INFO L87 Difference]: Start difference. First operand has 25 states, 23 states have (on average 1.434782608695652) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:47:26,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:47:26,088 INFO L93 Difference]: Finished difference Result 45 states and 58 transitions. [2021-10-16 02:47:26,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 02:47:26,090 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-16 02:47:26,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:47:26,102 INFO L225 Difference]: With dead ends: 45 [2021-10-16 02:47:26,102 INFO L226 Difference]: Without dead ends: 21 [2021-10-16 02:47:26,106 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:47:26,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-10-16 02:47:26,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-16 02:47:26,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.25) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:47:26,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2021-10-16 02:47:26,153 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 12 [2021-10-16 02:47:26,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:47:26,154 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-10-16 02:47:26,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:47:26,155 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2021-10-16 02:47:26,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-16 02:47:26,156 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:47:26,156 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:47:26,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:47:26,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:47:26,372 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:47:26,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:47:26,374 INFO L82 PathProgramCache]: Analyzing trace with hash -942277654, now seen corresponding path program 1 times [2021-10-16 02:47:26,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:47:26,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [972407407] [2021-10-16 02:47:26,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:47:26,375 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:47:26,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:47:26,377 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:47:26,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 02:47:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:47:26,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 02:47:26,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:47:26,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:47:26,649 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:47:26,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:47:26,703 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:47:26,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [972407407] [2021-10-16 02:47:26,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [972407407] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:47:26,704 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:47:26,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-16 02:47:26,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399814483] [2021-10-16 02:47:26,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:47:26,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:47:26,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:47:26,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:47:26,709 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:47:26,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:47:26,775 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions. [2021-10-16 02:47:26,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:47:26,777 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-16 02:47:26,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:47:26,778 INFO L225 Difference]: With dead ends: 41 [2021-10-16 02:47:26,778 INFO L226 Difference]: Without dead ends: 32 [2021-10-16 02:47:26,780 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:47:26,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-10-16 02:47:26,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23. [2021-10-16 02:47:26,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:47:26,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2021-10-16 02:47:26,787 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 12 [2021-10-16 02:47:26,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:47:26,788 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-10-16 02:47:26,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:47:26,789 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-10-16 02:47:26,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-16 02:47:26,790 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:47:26,790 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:47:26,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-16 02:47:26,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:47:26,993 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:47:26,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:47:26,993 INFO L82 PathProgramCache]: Analyzing trace with hash 239429152, now seen corresponding path program 1 times [2021-10-16 02:47:26,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:47:26,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [782339451] [2021-10-16 02:47:26,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:47:26,995 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:47:26,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:47:27,001 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:47:27,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-16 02:47:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:47:27,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-16 02:47:27,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:47:27,319 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:47:27,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2021-10-16 02:47:27,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-10-16 02:47:27,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:47:27,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:47:27,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:47:27,583 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:47:27,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [782339451] [2021-10-16 02:47:27,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [782339451] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:47:27,585 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:47:27,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-16 02:47:27,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615448439] [2021-10-16 02:47:27,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 02:47:27,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:47:27,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 02:47:27,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-16 02:47:27,595 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:47:29,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:47:29,127 INFO L93 Difference]: Finished difference Result 44 states and 49 transitions. [2021-10-16 02:47:29,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 02:47:29,129 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-16 02:47:29,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:47:29,130 INFO L225 Difference]: With dead ends: 44 [2021-10-16 02:47:29,130 INFO L226 Difference]: Without dead ends: 23 [2021-10-16 02:47:29,131 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 116.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-16 02:47:29,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-10-16 02:47:29,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 19. [2021-10-16 02:47:29,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 18 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:47:29,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2021-10-16 02:47:29,137 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 12 [2021-10-16 02:47:29,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:47:29,137 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2021-10-16 02:47:29,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:47:29,138 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2021-10-16 02:47:29,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-16 02:47:29,139 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:47:29,139 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:47:29,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-16 02:47:29,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:47:29,340 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:47:29,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:47:29,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1232200096, now seen corresponding path program 1 times [2021-10-16 02:47:29,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:47:29,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [204215555] [2021-10-16 02:47:29,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:47:29,342 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:47:29,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:47:29,344 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:47:29,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-16 02:47:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:47:29,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-16 02:47:29,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:47:29,664 INFO L354 Elim1Store]: treesize reduction 78, result has 28.4 percent of original size [2021-10-16 02:47:29,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 36 [2021-10-16 02:47:30,098 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-16 02:47:30,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2021-10-16 02:47:34,144 INFO L354 Elim1Store]: treesize reduction 193, result has 15.0 percent of original size [2021-10-16 02:47:34,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 82 treesize of output 45 [2021-10-16 02:47:34,536 INFO L354 Elim1Store]: treesize reduction 54, result has 33.3 percent of original size [2021-10-16 02:47:34,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 50 [2021-10-16 02:47:34,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:47:34,633 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:47:34,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12818 treesize of output 12690 [2021-10-16 02:47:39,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:47:39,714 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:47:39,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [204215555] [2021-10-16 02:47:39,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [204215555] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:47:39,715 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:47:39,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2021-10-16 02:47:39,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297391415] [2021-10-16 02:47:39,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-16 02:47:39,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:47:39,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-16 02:47:39,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-16 02:47:39,717 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 10 states, 10 states have (on average 2.4) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:47:40,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:47:40,632 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2021-10-16 02:47:40,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 02:47:40,634 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-16 02:47:40,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:47:40,635 INFO L225 Difference]: With dead ends: 31 [2021-10-16 02:47:40,635 INFO L226 Difference]: Without dead ends: 26 [2021-10-16 02:47:40,636 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 451.2ms TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-10-16 02:47:40,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-10-16 02:47:40,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 20. [2021-10-16 02:47:40,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:47:40,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2021-10-16 02:47:40,642 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 16 [2021-10-16 02:47:40,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:47:40,643 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2021-10-16 02:47:40,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:47:40,643 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2021-10-16 02:47:40,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-16 02:47:40,644 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:47:40,644 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:47:40,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-16 02:47:40,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:47:40,861 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:47:40,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:47:40,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1233808810, now seen corresponding path program 1 times [2021-10-16 02:47:40,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:47:40,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1929567538] [2021-10-16 02:47:40,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:47:40,862 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:47:40,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:47:40,863 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:47:40,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-16 02:47:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:47:41,177 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 02:47:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:47:41,392 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-16 02:47:41,393 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 02:47:41,394 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:47:41,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-16 02:47:41,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:47:41,614 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:47:41,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:47:41 BoogieIcfgContainer [2021-10-16 02:47:41,666 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:47:41,667 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:47:41,667 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:47:41,667 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:47:41,668 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:47:25" (3/4) ... [2021-10-16 02:47:41,670 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-16 02:47:41,741 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 02:47:41,741 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:47:41,742 INFO L168 Benchmark]: Toolchain (without parser) took 18152.54 ms. Allocated memory was 86.0 MB in the beginning and 184.5 MB in the end (delta: 98.6 MB). Free memory was 49.1 MB in the beginning and 72.0 MB in the end (delta: -22.9 MB). Peak memory consumption was 77.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:47:41,743 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 86.0 MB. Free memory was 67.0 MB in the beginning and 67.0 MB in the end (delta: 72.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:47:41,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 894.84 ms. Allocated memory is still 86.0 MB. Free memory was 48.9 MB in the beginning and 56.0 MB in the end (delta: -7.1 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:47:41,744 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.77 ms. Allocated memory is still 86.0 MB. Free memory was 55.9 MB in the beginning and 53.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:47:41,746 INFO L168 Benchmark]: Boogie Preprocessor took 88.81 ms. Allocated memory is still 86.0 MB. Free memory was 53.6 MB in the beginning and 51.7 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:47:41,747 INFO L168 Benchmark]: RCFGBuilder took 857.51 ms. Allocated memory is still 86.0 MB. Free memory was 51.7 MB in the beginning and 63.3 MB in the end (delta: -11.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-16 02:47:41,747 INFO L168 Benchmark]: TraceAbstraction took 16138.94 ms. Allocated memory was 86.0 MB in the beginning and 184.5 MB in the end (delta: 98.6 MB). Free memory was 62.9 MB in the beginning and 75.2 MB in the end (delta: -12.2 MB). Peak memory consumption was 85.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:47:41,751 INFO L168 Benchmark]: Witness Printer took 74.60 ms. Allocated memory is still 184.5 MB. Free memory was 75.2 MB in the beginning and 72.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:47:41,754 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 86.0 MB. Free memory was 67.0 MB in the beginning and 67.0 MB in the end (delta: 72.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 894.84 ms. Allocated memory is still 86.0 MB. Free memory was 48.9 MB in the beginning and 56.0 MB in the end (delta: -7.1 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.77 ms. Allocated memory is still 86.0 MB. Free memory was 55.9 MB in the beginning and 53.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.81 ms. Allocated memory is still 86.0 MB. Free memory was 53.6 MB in the beginning and 51.7 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 857.51 ms. Allocated memory is still 86.0 MB. Free memory was 51.7 MB in the beginning and 63.3 MB in the end (delta: -11.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16138.94 ms. Allocated memory was 86.0 MB in the beginning and 184.5 MB in the end (delta: 98.6 MB). Free memory was 62.9 MB in the beginning and 75.2 MB in the end (delta: -12.2 MB). Peak memory consumption was 85.6 MB. Max. memory is 16.1 GB. * Witness Printer took 74.60 ms. Allocated memory is still 184.5 MB. Free memory was 75.2 MB in the beginning and 72.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 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 - CounterExampleResult [Line: 667]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L662] struct ldv_list_head s1 = { &(s1), &(s1) }; VAL [s1={-2147483648:0}] [L665] int j = __VERIFIER_nondet_int(); [L651] struct ldv_list_element *m; [L652] EXPR (s)->next [L652] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L652] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [s1={-2147483648:0}] [L652] COND FALSE !(&m->list != (s)) VAL [s1={-2147483648:0}] [L657] return 0; VAL [s1={-2147483648:0}] [L633] COND TRUE !ldv_is_in_set(new, s) [L634] struct ldv_list_element *le; [L576] void *ptr = malloc(size); [L565] COND FALSE !(!cond) VAL [s1={-2147483648:0}] [L578] return ptr; VAL [s1={-2147483648:0}] [L635] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L636] le->e = new [L605] head->next [L593] next->prev = new [L594] new->next = next [L595] new->prev = prev [L596] prev->next = new VAL [s1={-2147483648:0}] [L651] struct ldv_list_element *m; [L652] EXPR (s)->next [L652] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L652] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [s1={-2147483648:0}] [L652] COND TRUE &m->list != (s) [L653] EXPR m->e VAL [s1={-2147483648:0}] [L653] COND TRUE m->e == e [L654] return 1; VAL [s1={-2147483648:0}] [L667] COND TRUE ldv_is_in_set(j, &s1) [L667] reach_error() VAL [s1={-2147483648:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15988.3ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 25.3ms, AutomataDifference: 2600.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 82 SDtfs, 132 SDslu, 88 SDs, 0 SdLazy, 54 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2155.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 593.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 49.0ms AutomataMinimizationTime, 4 MinimizatonAttempts, 19 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 125.1ms SsaConstructionTime, 398.4ms SatisfiabilityAnalysisTime, 10918.3ms InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 96 ConstructedInterpolants, 6 QuantifiedInterpolants, 514 SizeOfPredicates, 48 NumberOfNonLiveVariables, 302 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-16 02:47:41,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bb34a8-8483-46fb-9ca4-5f786eed7f36/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...